$trv 2024 Q3 10-Q

Concept	2024 Q3	2024 Q2
Revenue	$11.90B	$11.28B
YoY Change	11.93%	11.73%
Cost Of Revenue	$6.996B	$7.373B
YoY Change	-2.14%	2.02%
Gross Profit	$4.908B	$3.910B
YoY Change	40.79%	36.19%
Gross Profit Margin	41.23%	34.65%
Selling, General & Admin	$1.460B	$1.478B
YoY Change	11.28%	13.0%
% of Gross Profit	29.75%	37.8%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$1.790B	$1.678B
YoY Change	11.6%	-1.18%
% of Gross Profit	36.47%	42.92%
Operating Expenses	$1.460B	$1.478B
YoY Change	11.28%	-85.3%
Operating Profit	$3.448B	$2.432B
YoY Change	58.6%	-133.86%
Interest Expense	$98.00M	$98.00M
YoY Change	0.0%	-206.52%
% of Operating Profit	2.84%	4.03%
Other Income/Expense, Net
YoY Change
Pretax Income	$1.560B	$656.0M
YoY Change	230.51%	-1466.67%
Income Tax	$300.0M	$122.0M
% Of Pretax Income	19.23%	18.6%
Net Earnings	$1.260B	$534.0M
YoY Change	211.88%	-3660.0%
Net Earnings / Revenue	10.58%	4.73%
Basic Earnings Per Share	$5.50	$2.32
Diluted Earnings Per Share	$5.42	$2.29
COMMON SHARES
Basic Shares Outstanding	227.9M shares	229.0M shares
Diluted Shares Outstanding	230.6M shares	231.5M shares

Concept	2024 Q3	2024 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$772.0M	$729.0M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$901.0M	$956.0M
YoY Change	-6.15%	0.31%
Goodwill	$4.273B	$4.250B
YoY Change	8.04%	6.92%
Intangibles	$368.0M	$371.0M
YoY Change	32.37%	31.1%
Long-Term Investments	$94.55B	$88.56B
YoY Change	15.31%	7.97%
Other Assets	$1.336B	$1.788B
YoY Change	-44.17%	-3.14%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$134.6B	$129.3B
YoY Change	10.88%	7.25%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$100.0M	$100.0M
YoY Change	0.0%	0.0%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$3.410B	$3.392B
YoY Change	-4.93%	-4.96%
LONG-TERM LIABILITIES
Long-Term Debt	$7.933B	$7.932B
YoY Change	0.03%	0.01%
Other Long-Term Liabilities	$7.099B	$6.313B
YoY Change	12.43%	10.62%
Total Long-Term Liabilities	$15.03B	$14.25B
YoY Change	5.52%	4.45%
TOTAL LIABILITIES
Total Short-Term Liabilities	$3.410B	$3.392B
Total Long-Term Liabilities	$15.03B	$14.25B
Total Liabilities	$106.9B	$104.5B
YoY Change	5.41%	5.81%
SHAREHOLDERS EQUITY
Retained Earnings	$47.79B	$46.77B
YoY Change	8.12%	6.24%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$27.70B	$24.86B
YoY Change
Total Liabilities & Shareholders Equity	$134.6B	$129.3B
YoY Change	10.88%	7.25%

Concept	2024 Q3	2024 Q2
OPERATING ACTIVITIES
Net Income	$1.260B	$534.0M
YoY Change	211.88%	-3660.0%
Depreciation, Depletion And Amortization	$1.790B	$1.678B
YoY Change	11.6%	-1.18%
Cash From Operating Activities	$3.875B	$1.677B
YoY Change	27.22%	8.26%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities	-$3.391B	-$1.143B
YoY Change	24.44%	-38.45%
Cash From Investing Activities	-$3.391B	-$1.143B
YoY Change	24.44%	-38.45%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-454.0M	-472.0M
YoY Change	40.56%	-442.03%
NET CHANGE
Cash From Operating Activities	3.875B	1.677B
Cash From Investing Activities	-3.391B	-1.143B
Cash From Financing Activities	-454.0M	-472.0M
Net Change In Cash	30.00M	62.00M
YoY Change	-1600.0%	-136.47%
FREE CASH FLOW
Cash From Operating Activities	$3.875B	$1.677B
Capital Expenditures
Free Cash Flow
YoY Change

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	228200000	shares
	trv	Securities Transactions In Course Of Settlement SecuritiesTransactionsInCourseOfSettlement	15000000	usd
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	192000000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	794000000	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	382000000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	473000000	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	251000000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	111000000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2180000000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2312000000	usd
	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	0	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	499000000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	110000000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	62000000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-194000000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	447000000	usd
	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	738000000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	212000000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-871000000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-455000000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	139000000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-5000000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	855000000	usd
	us-gaap	Interest Paid Net InterestPaidNet	195000000	usd
	us-gaap	Interest Paid Net InterestPaidNet	175000000	usd
	trv	Contractholder Receivables Credit Loss Expense Reversal ContractholderReceivablesCreditLossExpenseReversal	-2000000	usd
	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	110000000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	7663000000	usd
	us-gaap	Payments For Proceeds From Availableforsale Securities Shortterm PaymentsForProceedsFromAvailableforsaleSecuritiesShortterm	-784000000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	799000000	usd
	trv	Stock Issued Net Share Settlement Employee Options StockIssuedNetShareSettlementEmployeeOptions	30000000	usd
	trv	Stock Issued Net Share Settlement Employee Options StockIssuedNetShareSettlementEmployeeOptions	0	usd
	us-gaap	Payments For Proceeds From Availableforsale Securities Shortterm PaymentsForProceedsFromAvailableforsaleSecuritiesShortterm	418000000	usd
CY2023Q1	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	-211000000	usd
	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	47000000	usd
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	79000000	usd
CY2024Q2	trv	Net Realized Investment Gains Losses After Tax NetRealizedInvestmentGainsLossesAfterTax	-51000000	usd
	us-gaap	Payments To Acquire Real Estate Held For Investment PaymentsToAcquireRealEstateHeldForInvestment	26000000	usd
CY2023Q2	trv	Net Realized Investment Gains Losses After Tax NetRealizedInvestmentGainsLossesAfterTax	-29000000	usd
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	185000000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	-14000000	usd
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	255000000	usd
	trv	Stock Issued Net Share Settlement Employee Options StockIssuedNetShareSettlementEmployeeOptions	0	usd
CY2023Q4	us-gaap	Shares Issued SharesIssued	228200000	shares
	us-gaap	Payments To Acquire Real Estate Held For Investment PaymentsToAcquireRealEstateHeldForInvestment	24000000	usd
CY2023Q1	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	-211000000	usd
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2024Q2	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-65000000	usd
CY2024Q2	us-gaap	Revenues Revenues	11283000000	usd
CY2023Q2	us-gaap	Revenues Revenues	10098000000	usd
CY2023Q2	trv	Operating Income Loss Net Of Tax OperatingIncomeLossNetOfTax	15000000	usd
	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	50000000	usd
	trv	Stock Issued Net Share Settlement Employee Options StockIssuedNetShareSettlementEmployeeOptions	30000000	usd
	trv	Stock Issued Net Share Settlement Employee Options StockIssuedNetShareSettlementEmployeeOptions	0	usd
CY2023Q1	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	-211000000	usd
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2024Q2	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-65000000	usd
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-29000000	usd
CY2024Q2	us-gaap	Revenues Revenues	11283000000	usd
CY2024Q2	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	41746000000	usd
CY2023Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	41105000000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	8087000000	usd
	us-gaap	Revenues Revenues	22511000000	usd
	us-gaap	Revenues Revenues	19802000000	usd
CY2024Q2	trv	Operating Income Loss Net Of Tax OperatingIncomeLossNetOfTax	585000000	usd
CY2023Q2	trv	Operating Income Loss Net Of Tax OperatingIncomeLossNetOfTax	15000000	usd
	trv	Operating Income Loss Net Of Tax OperatingIncomeLossNetOfTax	1681000000	usd
	trv	Operating Income Loss Net Of Tax OperatingIncomeLossNetOfTax	985000000	usd
CY2024Q2	trv	Net Realized Investment Gains Losses After Tax NetRealizedInvestmentGainsLossesAfterTax	-51000000	usd
CY2023Q2	trv	Net Realized Investment Gains Losses After Tax NetRealizedInvestmentGainsLossesAfterTax	-29000000	usd
	trv	Net Realized Investment Gains Losses After Tax NetRealizedInvestmentGainsLossesAfterTax	-24000000	usd
	trv	Net Realized Investment Gains Losses After Tax NetRealizedInvestmentGainsLossesAfterTax	-24000000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	-14000000	usd
	us-gaap	Net Income Loss NetIncomeLoss	1657000000	usd
CY2023Q1	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	-211000000	usd
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2024Q2	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-65000000	usd
CY2023Q2	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-35000000	usd
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-30000000	usd
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-29000000	usd
CY2024Q2	us-gaap	Revenues Revenues	11283000000	usd
CY2023Q2	us-gaap	Revenues Revenues	10098000000	usd
	us-gaap	Revenues Revenues	22511000000	usd
	us-gaap	Revenues Revenues	19802000000	usd
CY2024Q2	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	41746000000	usd
CY2023Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	41105000000	usd
	trv	Securities Transactions In Course Of Settlement SecuritiesTransactionsInCourseOfSettlement	358000000	usd
CY2024Q2	trv	Operating Income Loss Net Of Tax OperatingIncomeLossNetOfTax	585000000	usd
	trv	Operating Income Loss Net Of Tax OperatingIncomeLossNetOfTax	1681000000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	650000000	usd
	trv	Operating Income Loss Net Of Tax OperatingIncomeLossNetOfTax	985000000	usd
	trv	Stock Issued Net Share Settlement Employee Options StockIssuedNetShareSettlementEmployeeOptions	30000000	usd
	trv	Stock Issued Net Share Settlement Employee Options StockIssuedNetShareSettlementEmployeeOptions	0	usd
CY2024Q2	trv	Net Realized Investment Gains Losses After Tax NetRealizedInvestmentGainsLossesAfterTax	-51000000	usd
CY2023Q2	trv	Net Realized Investment Gains Losses After Tax NetRealizedInvestmentGainsLossesAfterTax	-29000000	usd
	trv	Net Realized Investment Gains Losses After Tax NetRealizedInvestmentGainsLossesAfterTax	-24000000	usd
	trv	Net Realized Investment Gains Losses After Tax NetRealizedInvestmentGainsLossesAfterTax	-24000000	usd
CY2024Q2	us-gaap	Net Income Loss NetIncomeLoss	534000000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	-14000000	usd
	us-gaap	Net Income Loss NetIncomeLoss	1657000000	usd
CY2024Q2	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	41746000000	usd
CY2023Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	41105000000	usd
	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	100000000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	12000000	usd
	trv	Stock Issued Net Share Settlement Employee Options StockIssuedNetShareSettlementEmployeeOptions	30000000	usd
	trv	Stock Issued Net Share Settlement Employee Options StockIssuedNetShareSettlementEmployeeOptions	0	usd
	trv	Net Realized Investment Gains Losses After Tax NetRealizedInvestmentGainsLossesAfterTax	-24000000	usd
CY2023Q1	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	-211000000	usd
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2024Q2	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-65000000	usd
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-30000000	usd
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-29000000	usd
CY2024Q2	us-gaap	Revenues Revenues	11283000000	usd
CY2023Q2	us-gaap	Revenues Revenues	10098000000	usd
	us-gaap	Revenues Revenues	22511000000	usd
	us-gaap	Revenues Revenues	19802000000	usd
CY2024Q2	trv	Operating Income Loss Net Of Tax OperatingIncomeLossNetOfTax	585000000	usd
	trv	Operating Income Loss Net Of Tax OperatingIncomeLossNetOfTax	1681000000	usd
	trv	Operating Income Loss Net Of Tax OperatingIncomeLossNetOfTax	985000000	usd
CY2024Q2	trv	Net Realized Investment Gains Losses After Tax NetRealizedInvestmentGainsLossesAfterTax	-51000000	usd
CY2023Q2	trv	Net Realized Investment Gains Losses After Tax NetRealizedInvestmentGainsLossesAfterTax	-29000000	usd
	trv	Net Realized Investment Gains Losses After Tax NetRealizedInvestmentGainsLossesAfterTax	-24000000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	-14000000	usd
	us-gaap	Net Income Loss NetIncomeLoss	1657000000	usd
CY2024Q2	us-gaap	Assets Assets	129315000000	usd
CY2023Q4	us-gaap	Assets Assets	125978000000	usd
CY2024Q2	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-65000000	usd
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-29000000	usd
CY2024Q2	us-gaap	Revenues Revenues	11283000000	usd
	us-gaap	Revenues Revenues	22511000000	usd
	us-gaap	Revenues Revenues	19802000000	usd
CY2023Q2	trv	Operating Income Loss Net Of Tax OperatingIncomeLossNetOfTax	15000000	usd
	trv	Operating Income Loss Net Of Tax OperatingIncomeLossNetOfTax	1681000000	usd
	trv	Operating Income Loss Net Of Tax OperatingIncomeLossNetOfTax	985000000	usd
CY2024Q2	trv	Net Realized Investment Gains Losses After Tax NetRealizedInvestmentGainsLossesAfterTax	-51000000	usd
CY2023Q2	trv	Net Realized Investment Gains Losses After Tax NetRealizedInvestmentGainsLossesAfterTax	-29000000	usd
	trv	Net Realized Investment Gains Losses After Tax NetRealizedInvestmentGainsLossesAfterTax	-24000000	usd
	trv	Net Realized Investment Gains Losses After Tax NetRealizedInvestmentGainsLossesAfterTax	-24000000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	-14000000	usd
	us-gaap	Net Income Loss NetIncomeLoss	1657000000	usd
	us-gaap	Net Income Loss NetIncomeLoss	961000000	usd
CY2024Q2	us-gaap	Assets Assets	129315000000	usd
CY2023Q4	us-gaap	Assets Assets	125978000000	usd
CY2024Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	84231000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	1000000	usd
CY2024Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	5223000000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	81781000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	5000000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	471000000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	4440000000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	77807000000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1250000000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	3120000000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	2000000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	19000000	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	41000000	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	51000000	usd
	trv	Debt Securities Available For Sale Early Redemption Realized Loss DebtSecuritiesAvailableForSaleEarlyRedemptionRealizedLoss	33000000	usd
CY2024Q2	us-gaap	Assets Assets	129315000000	usd
CY2023Q4	us-gaap	Assets Assets	125978000000	usd
CY2024Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	84231000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	1000000	usd
CY2024Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	181000000	usd
CY2024Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	79188000000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	81781000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	5000000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	471000000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	4440000000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	77807000000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1250000000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	3120000000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	19000000	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	41000000	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	51000000	usd
	trv	Debt Securities Available For Sale Early Redemption Realized Loss DebtSecuritiesAvailableForSaleEarlyRedemptionRealizedLoss	33000000	usd
	trv	Debt Securities Available For Sale Early Redemption Realized Loss DebtSecuritiesAvailableForSaleEarlyRedemptionRealizedLoss	0	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	119000000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	14000000	usd
CY2024Q2	us-gaap	Equity Securities Fv Ni Current And Noncurrent EquitySecuritiesFvNiCurrentAndNoncurrent	644000000	usd
CY2023Q4	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	553000000	usd
CY2023	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	96000000	usd
CY2023	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	41000000	usd
CY2023Q4	us-gaap	Equity Securities Fv Ni Current And Noncurrent EquitySecuritiesFvNiCurrentAndNoncurrent	608000000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	3000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	17477000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	189000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	5034000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	65792000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	5223000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	7993000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	56000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	45976000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	4384000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	53969000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	4440000000	usd
CY2024Q2	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Three Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostThreeMonthsOrLess	170000000	usd
CY2024Q2	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Three Months Six Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanThreeMonthsSixMonthsOrLess	307000000	usd
CY2024Q2	us-gaap	Assets Assets	129315000000	usd
CY2024Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	84231000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	1000000	usd
CY2024Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	181000000	usd
CY2024Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	5223000000	usd
CY2024Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	79188000000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	81781000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	5000000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	471000000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1250000000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	2000000	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	41000000	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	51000000	usd
	trv	Debt Securities Available For Sale Early Redemption Realized Loss DebtSecuritiesAvailableForSaleEarlyRedemptionRealizedLoss	33000000	usd
	trv	Debt Securities Available For Sale Early Redemption Realized Loss DebtSecuritiesAvailableForSaleEarlyRedemptionRealizedLoss	0	usd
CY2024Q2	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	539000000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	119000000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	14000000	usd
CY2024Q2	us-gaap	Equity Securities Fv Ni Current And Noncurrent EquitySecuritiesFvNiCurrentAndNoncurrent	644000000	usd
CY2023Q4	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	553000000	usd
CY2023	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	96000000	usd
CY2023	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	41000000	usd
CY2023Q4	us-gaap	Equity Securities Fv Ni Current And Noncurrent EquitySecuritiesFvNiCurrentAndNoncurrent	608000000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	51000000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	3000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	17477000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	189000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	48315000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	5034000000	usd
CY2024Q2	us-gaap	Assets Assets	129315000000	usd
CY2023Q4	us-gaap	Assets Assets	125978000000	usd
CY2024Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	84231000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	1000000	usd
CY2024Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	181000000	usd
CY2024Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	5223000000	usd
CY2024Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	79188000000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	81781000000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	471000000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	4440000000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1250000000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	3120000000	usd
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	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	41000000	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	51000000	usd
	trv	Debt Securities Available For Sale Early Redemption Realized Loss DebtSecuritiesAvailableForSaleEarlyRedemptionRealizedLoss	33000000	usd
	trv	Debt Securities Available For Sale Early Redemption Realized Loss DebtSecuritiesAvailableForSaleEarlyRedemptionRealizedLoss	0	usd
CY2024Q2	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	539000000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	119000000	usd
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CY2023Q4	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	553000000	usd
CY2023	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	96000000	usd
CY2023	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	41000000	usd
CY2023Q4	us-gaap	Equity Securities Fv Ni Current And Noncurrent EquitySecuritiesFvNiCurrentAndNoncurrent	608000000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	51000000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	3000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	17477000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	189000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	48315000000	usd
CY2024Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	84231000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	1000000	usd
CY2024Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	79188000000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	81781000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	5000000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	471000000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	4440000000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	77807000000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1250000000	usd
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	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	19000000	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	41000000	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	51000000	usd
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	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	14000000	usd
CY2023Q4	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	553000000	usd
CY2023	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	96000000	usd
CY2023	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	41000000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	51000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	17477000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	189000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	48315000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	5034000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	65792000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	5223000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	7993000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	56000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	45976000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	4384000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	53969000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	4440000000	usd
CY2024Q2	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Three Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostThreeMonthsOrLess	170000000	usd
CY2024Q2	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Three Months Six Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanThreeMonthsSixMonthsOrLess	307000000	usd
CY2024Q2	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Six Months Twelve Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanSixMonthsTwelveMonthsOrLess	3000000	usd
CY2024Q2	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Total AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostTotal	1242000000	usd
CY2023Q4	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Three Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostThreeMonthsOrLess	1000000	usd
CY2023Q4	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Three Months Six Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanThreeMonthsSixMonthsOrLess	5000000	usd
CY2023Q4	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Six Months Twelve Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanSixMonthsTwelveMonthsOrLess	53000000	usd
CY2023Q4	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Twelve Months AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanTwelveMonths	667000000	usd
CY2023Q4	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Total AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostTotal	726000000	usd
CY2024Q2	trv	Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses TotalNetImpairmentChargesIncludingCreditImpairmentsReportedInNetRealizedInvestmentGainsLosses	0	usd
CY2023Q2	trv	Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses TotalNetImpairmentChargesIncludingCreditImpairmentsReportedInNetRealizedInvestmentGainsLosses	0	usd
CY2023Q2	trv	Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Fixed Maturity Portfolio On Pretax Basis DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfFixedMaturityPortfolioOnPretaxBasis	0.01
CY2024Q2	trv	Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Fixed Maturity Portfolio On Pretax Basis DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfFixedMaturityPortfolioOnPretaxBasis	0.01
CY2024Q2	trv	Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Shareholders Equity On After Tax Basis DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfShareholdersEquityOnAfterTaxBasis	0.01
CY2023Q2	trv	Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Shareholders Equity On After Tax Basis DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfShareholdersEquityOnAfterTaxBasis	0.01
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CY2024Q2	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	539000000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	119000000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	14000000	usd
CY2024Q2	us-gaap	Equity Securities Fv Ni Current And Noncurrent EquitySecuritiesFvNiCurrentAndNoncurrent	644000000	usd
CY2023Q4	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	553000000	usd
CY2023	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	96000000	usd
CY2023	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	41000000	usd
CY2023Q4	us-gaap	Equity Securities Fv Ni Current And Noncurrent EquitySecuritiesFvNiCurrentAndNoncurrent	608000000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	51000000	usd
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CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	17477000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	189000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	65792000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	5223000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	7993000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	56000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	45976000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	4384000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	4440000000	usd
CY2024Q2	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Three Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostThreeMonthsOrLess	170000000	usd
CY2024Q2	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Three Months Six Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanThreeMonthsSixMonthsOrLess	307000000	usd
CY2024Q2	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Total AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostTotal	1242000000	usd
CY2023Q4	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Three Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostThreeMonthsOrLess	1000000	usd
CY2023Q4	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Three Months Six Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanThreeMonthsSixMonthsOrLess	5000000	usd
CY2023Q4	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Six Months Twelve Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanSixMonthsTwelveMonthsOrLess	53000000	usd
CY2023Q4	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Twelve Months AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanTwelveMonths	667000000	usd
CY2023Q4	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Total AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostTotal	726000000	usd
CY2024Q2	trv	Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses TotalNetImpairmentChargesIncludingCreditImpairmentsReportedInNetRealizedInvestmentGainsLosses	0	usd
CY2023Q2	trv	Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses TotalNetImpairmentChargesIncludingCreditImpairmentsReportedInNetRealizedInvestmentGainsLosses	0	usd
CY2023Q2	trv	Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Fixed Maturity Portfolio On Pretax Basis DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfFixedMaturityPortfolioOnPretaxBasis	0.01
CY2024Q2	trv	Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Fixed Maturity Portfolio On Pretax Basis DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfFixedMaturityPortfolioOnPretaxBasis	0.01
CY2024Q2	trv	Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Shareholders Equity On After Tax Basis DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfShareholdersEquityOnAfterTaxBasis	0.01
CY2023Q2	trv	Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Shareholders Equity On After Tax Basis DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfShareholdersEquityOnAfterTaxBasis	0.01
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CY2024Q2	trv	Percent Of Fixed Maturities For Which Pricing Service Estimates Fair Value PercentOfFixedMaturitiesForWhichPricingServiceEstimatesFairValue	0.99
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	5034000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	65792000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	5223000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	7993000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	56000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	45976000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	4384000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	53969000000	usd
CY2024Q2	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Three Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostThreeMonthsOrLess	170000000	usd
CY2024Q2	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Three Months Six Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanThreeMonthsSixMonthsOrLess	307000000	usd
CY2024Q2	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Six Months Twelve Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanSixMonthsTwelveMonthsOrLess	3000000	usd
CY2024Q2	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Twelve Months AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanTwelveMonths	762000000	usd
CY2024Q2	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Total AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostTotal	1242000000	usd
CY2023Q4	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Three Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostThreeMonthsOrLess	1000000	usd
CY2023Q4	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Three Months Six Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanThreeMonthsSixMonthsOrLess	5000000	usd
CY2023Q4	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Total AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostTotal	726000000	usd
CY2024Q2	trv	Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses TotalNetImpairmentChargesIncludingCreditImpairmentsReportedInNetRealizedInvestmentGainsLosses	0	usd
CY2023Q2	trv	Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses TotalNetImpairmentChargesIncludingCreditImpairmentsReportedInNetRealizedInvestmentGainsLosses	0	usd
CY2023Q2	trv	Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Fixed Maturity Portfolio On Pretax Basis DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfFixedMaturityPortfolioOnPretaxBasis	0.01
CY2024Q2	trv	Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Fixed Maturity Portfolio On Pretax Basis DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfFixedMaturityPortfolioOnPretaxBasis	0.01
CY2024Q2	trv	Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Shareholders Equity On After Tax Basis DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfShareholdersEquityOnAfterTaxBasis	0.01
CY2023Q2	trv	Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Shareholders Equity On After Tax Basis DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfShareholdersEquityOnAfterTaxBasis	0.01
	trv	Availability Of Financial Information Provided By Hedge Funds AvailabilityOfFinancialInformationProvidedByHedgeFunds	P1M
	trv	Availability Of Financial Information Provided By Private Equity And Real Estate Partnerships Maximum AvailabilityOfFinancialInformationProvidedByPrivateEquityAndRealEstatePartnershipsMaximum	P3M
CY2023Q4	trv	Percent Of Fixed Maturities For Which Pricing Service Estimates Fair Value PercentOfFixedMaturitiesForWhichPricingServiceEstimatesFairValue	0.99
CY2024Q2	trv	Percent Of Fixed Maturities For Which Pricing Service Estimates Fair Value PercentOfFixedMaturitiesForWhichPricingServiceEstimatesFairValue	0.99
CY2024Q1	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	68000000	usd
CY2023Q2	us-gaap	Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance	12000000	usd
CY2024Q2	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	69000000	usd
	us-gaap	Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance	22000000	usd
CY2024Q1	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	117000000	usd
CY2023Q2	us-gaap	Reinsurance Recoverable Credit Loss Expense Reversal ReinsuranceRecoverableCreditLossExpenseReversal	-10000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	65792000000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	5223000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	7993000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	56000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	45976000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	4384000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	53969000000	usd
CY2024Q2	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Three Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostThreeMonthsOrLess	170000000	usd
CY2024Q2	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Six Months Twelve Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanSixMonthsTwelveMonthsOrLess	3000000	usd
CY2023Q4	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Three Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostThreeMonthsOrLess	1000000	usd
CY2023Q4	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Three Months Six Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanThreeMonthsSixMonthsOrLess	5000000	usd
CY2023Q4	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Twelve Months AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanTwelveMonths	667000000	usd
CY2023Q4	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Total AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostTotal	726000000	usd
CY2024Q2	trv	Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses TotalNetImpairmentChargesIncludingCreditImpairmentsReportedInNetRealizedInvestmentGainsLosses	0	usd
CY2023Q2	trv	Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses TotalNetImpairmentChargesIncludingCreditImpairmentsReportedInNetRealizedInvestmentGainsLosses	0	usd
CY2023Q2	trv	Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Fixed Maturity Portfolio On Pretax Basis DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfFixedMaturityPortfolioOnPretaxBasis	0.01
CY2024Q2	trv	Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Fixed Maturity Portfolio On Pretax Basis DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfFixedMaturityPortfolioOnPretaxBasis	0.01
CY2024Q2	trv	Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Shareholders Equity On After Tax Basis DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfShareholdersEquityOnAfterTaxBasis	0.01
CY2023Q2	trv	Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Shareholders Equity On After Tax Basis DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfShareholdersEquityOnAfterTaxBasis	0.01
	trv	Availability Of Financial Information Provided By Hedge Funds AvailabilityOfFinancialInformationProvidedByHedgeFunds	P1M
	trv	Availability Of Financial Information Provided By Private Equity And Real Estate Partnerships Maximum AvailabilityOfFinancialInformationProvidedByPrivateEquityAndRealEstatePartnershipsMaximum	P3M
CY2023Q4	trv	Percent Of Fixed Maturities For Which Pricing Service Estimates Fair Value PercentOfFixedMaturitiesForWhichPricingServiceEstimatesFairValue	0.99
CY2024Q2	trv	Percent Of Fixed Maturities For Which Pricing Service Estimates Fair Value PercentOfFixedMaturitiesForWhichPricingServiceEstimatesFairValue	0.99
CY2024Q1	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	68000000	usd
CY2023Q2	us-gaap	Premium Receivable Credit Loss Expense Reversal PremiumReceivableCreditLossExpenseReversal	7000000	usd
CY2024Q2	us-gaap	Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance	12000000	usd
CY2023Q2	us-gaap	Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance	12000000	usd
CY2023Q2	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	10327000000	usd
	us-gaap	Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance	22000000	usd
CY2023Q2	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	10327000000	usd
CY2024Q1	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	117000000	usd
CY2023Q1	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	8091000000	usd
CY2023Q2	us-gaap	Reinsurance Recoverable Credit Loss Expense Reversal ReinsuranceRecoverableCreditLossExpenseReversal	-10000000	usd
CY2024Q2	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	117000000	usd
CY2024Q2	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Twelve Months AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanTwelveMonths	762000000	usd
CY2024Q2	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Total AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostTotal	1242000000	usd
CY2023Q4	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Three Months Or Less AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostThreeMonthsOrLess	1000000	usd
CY2023Q4	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Twelve Months AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanTwelveMonths	667000000	usd
CY2023Q4	trv	Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Total AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostTotal	726000000	usd
CY2024Q2	trv	Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses TotalNetImpairmentChargesIncludingCreditImpairmentsReportedInNetRealizedInvestmentGainsLosses	0	usd
CY2023Q2	trv	Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses TotalNetImpairmentChargesIncludingCreditImpairmentsReportedInNetRealizedInvestmentGainsLosses	0	usd
	trv	Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses TotalNetImpairmentChargesIncludingCreditImpairmentsReportedInNetRealizedInvestmentGainsLosses	1000000	usd
CY2023Q2	trv	Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Fixed Maturity Portfolio On Pretax Basis DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfFixedMaturityPortfolioOnPretaxBasis	0.01
CY2024Q2	trv	Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Fixed Maturity Portfolio On Pretax Basis DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfFixedMaturityPortfolioOnPretaxBasis	0.01
CY2024Q2	trv	Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Shareholders Equity On After Tax Basis DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfShareholdersEquityOnAfterTaxBasis	0.01
CY2023Q2	trv	Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Shareholders Equity On After Tax Basis DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfShareholdersEquityOnAfterTaxBasis	0.01
	trv	Availability Of Financial Information Provided By Hedge Funds AvailabilityOfFinancialInformationProvidedByHedgeFunds	P1M
	trv	Availability Of Financial Information Provided By Private Equity And Real Estate Partnerships Maximum AvailabilityOfFinancialInformationProvidedByPrivateEquityAndRealEstatePartnershipsMaximum	P3M
CY2023Q4	trv	Percent Of Fixed Maturities For Which Pricing Service Estimates Fair Value PercentOfFixedMaturitiesForWhichPricingServiceEstimatesFairValue	0.99
CY2024Q2	trv	Percent Of Fixed Maturities For Which Pricing Service Estimates Fair Value PercentOfFixedMaturitiesForWhichPricingServiceEstimatesFairValue	0.99
CY2024Q1	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	68000000	usd
CY2024Q2	us-gaap	Premium Receivable Credit Loss Expense Reversal PremiumReceivableCreditLossExpenseReversal	13000000	usd
CY2023Q2	us-gaap	Reinsurance Loss On Uncollectible Accounts In Period Amount ReinsuranceLossOnUncollectibleAccountsInPeriodAmount	0	usd
CY2024Q2	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	8132000000	usd
CY2024Q2	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	117000000	usd
CY2023Q2	us-gaap	Premium Receivable Credit Loss Expense Reversal PremiumReceivableCreditLossExpenseReversal	7000000	usd
CY2024Q2	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	69000000	usd
CY2023Q2	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	72000000	usd
CY2023Q4	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	10282000000	usd
	us-gaap	Premium Receivable Credit Loss Expense Reversal PremiumReceivableCreditLossExpenseReversal	17000000	usd
	us-gaap	Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance	22000000	usd
CY2024Q2	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	11491000000	usd
CY2024Q2	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	69000000	usd
CY2023Q2	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	10327000000	usd
CY2024Q1	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	8100000000	usd
CY2024Q1	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	117000000	usd
CY2023Q1	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	8091000000	usd
CY2023Q1	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	131000000	usd
CY2024Q2	us-gaap	Reinsurance Recoverable Credit Loss Expense Reversal ReinsuranceRecoverableCreditLossExpenseReversal	0	usd
CY2023Q4	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	8143000000	usd
CY2023Q2	us-gaap	Reinsurance Recoverable Credit Loss Expense Reversal ReinsuranceRecoverableCreditLossExpenseReversal	-10000000	usd
CY2023Q4	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	118000000	usd
CY2022Q4	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	8063000000	usd
	us-gaap	Reinsurance Recoverable Credit Loss Expense Reversal ReinsuranceRecoverableCreditLossExpenseReversal	-11000000	usd
CY2024Q2	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	8132000000	usd
CY2024Q2	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	117000000	usd
CY2023Q4	trv	Percent Of Fixed Maturities For Which Pricing Service Estimates Fair Value PercentOfFixedMaturitiesForWhichPricingServiceEstimatesFairValue	0.99
CY2024Q2	trv	Percent Of Fixed Maturities For Which Pricing Service Estimates Fair Value PercentOfFixedMaturitiesForWhichPricingServiceEstimatesFairValue	0.99
CY2024Q1	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	68000000	usd
CY2023Q1	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	9483000000	usd
CY2023Q1	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	77000000	usd
CY2023Q2	us-gaap	Premium Receivable Credit Loss Expense Reversal PremiumReceivableCreditLossExpenseReversal	7000000	usd
CY2023Q2	us-gaap	Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance	12000000	usd
CY2023Q2	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	10327000000	usd
CY2023Q4	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	10282000000	usd
CY2022Q4	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	8922000000	usd
	us-gaap	Premium Receivable Credit Loss Expense Reversal PremiumReceivableCreditLossExpenseReversal	17000000	usd
	us-gaap	Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance	25000000	usd
CY2023Q2	trv	Contractholder Receivables Loss On Uncollectible Accounts In Period ContractholderReceivablesLossOnUncollectibleAccountsInPeriod	0	usd
	us-gaap	Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance	22000000	usd
CY2024Q2	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	11491000000	usd
CY2024Q2	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	69000000	usd
CY2023Q2	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	10327000000	usd
CY2023Q2	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	72000000	usd
CY2024Q1	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	8100000000	usd
CY2024Q1	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	117000000	usd
CY2023Q1	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	8091000000	usd
CY2023Q1	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	131000000	usd
CY2023Q2	us-gaap	Reinsurance Recoverable Credit Loss Expense Reversal ReinsuranceRecoverableCreditLossExpenseReversal	-10000000	usd
CY2024Q2	us-gaap	Reinsurance Loss On Uncollectible Accounts In Period Amount ReinsuranceLossOnUncollectibleAccountsInPeriodAmount	0	usd
CY2023Q4	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	8143000000	usd
CY2023Q4	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	118000000	usd
CY2022Q4	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	8063000000	usd
CY2022Q4	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	132000000	usd
	us-gaap	Reinsurance Loss On Uncollectible Accounts In Period Amount ReinsuranceLossOnUncollectibleAccountsInPeriodAmount	0	usd
	us-gaap	Reinsurance Loss On Uncollectible Accounts In Period Amount ReinsuranceLossOnUncollectibleAccountsInPeriodAmount	0	usd
CY2024Q2	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	8132000000	usd
CY2024Q1	trv	Contractholder Receivables ContractholderReceivables	3266000000	usd
CY2024Q2	trv	Contractholder Receivables ContractholderReceivables	3274000000	usd
CY2024Q2	trv	Contractholder Receivables Allowance For Credit Loss ContractholderReceivablesAllowanceForCreditLoss	18000000	usd
	trv	Contractholder Receivables Credit Loss Expense Reversal ContractholderReceivablesCreditLossExpenseReversal	3000000	usd
	trv	Contractholder Receivables Loss On Uncollectible Accounts In Period ContractholderReceivablesLossOnUncollectibleAccountsInPeriod	0	usd
CY2024Q1	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	10829000000	usd
CY2024Q1	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	68000000	usd
CY2023Q1	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	9483000000	usd
CY2023Q1	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	77000000	usd
CY2024Q2	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	11491000000	usd
CY2024Q2	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	69000000	usd
CY2023Q2	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	10327000000	usd
CY2023Q2	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	72000000	usd
CY2023Q4	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	69000000	usd
CY2022Q4	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	8922000000	usd
CY2022Q4	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	77000000	usd
	us-gaap	Premium Receivable Credit Loss Expense Reversal PremiumReceivableCreditLossExpenseReversal	25000000	usd
	us-gaap	Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance	22000000	usd
CY2024Q2	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	11491000000	usd

CY2023Q4

us-gaap

Common Stock Shares Outstanding

CommonStockSharesOutstanding

228200000

shares

trv

Securities Transactions In Course Of Settlement

SecuritiesTransactionsInCourseOfSettlement

15000000

usd

us-gaap

Payments For Proceeds From Other Investing Activities

PaymentsForProceedsFromOtherInvestingActivities

192000000

usd

us-gaap

Payments For Repurchase Of Common Stock

PaymentsForRepurchaseOfCommonStock

794000000

usd

us-gaap

Payments To Acquire Businesses Net Of Cash Acquired

PaymentsToAcquireBusinessesNetOfCashAcquired

382000000

usd

us-gaap

Payments Of Dividends Common Stock

PaymentsOfDividendsCommonStock

473000000

usd

us-gaap

Payments To Acquire Businesses Net Of Cash Acquired

PaymentsToAcquireBusinessesNetOfCashAcquired

0

usd

us-gaap

Payments For Proceeds From Other Investing Activities

PaymentsForProceedsFromOtherInvestingActivities

251000000

usd

us-gaap

Payments Related To Tax Withholding For Share Based Compensation

PaymentsRelatedToTaxWithholdingForShareBasedCompensation

111000000

usd

us-gaap

Net Cash Provided By Used In Investing Activities

NetCashProvidedByUsedInInvestingActivities

-2180000000

usd

us-gaap

Net Cash Provided By Used In Investing Activities

NetCashProvidedByUsedInInvestingActivities

-2312000000

usd

us-gaap

Proceeds From Debt Net Of Issuance Costs

ProceedsFromDebtNetOfIssuanceCosts

0

usd

us-gaap

Payments For Repurchase Of Common Stock

PaymentsForRepurchaseOfCommonStock

499000000

usd

us-gaap

Proceeds From Stock Options Exercised

ProceedsFromStockOptionsExercised

110000000

usd

us-gaap

Payments Related To Tax Withholding For Share Based Compensation

PaymentsRelatedToTaxWithholdingForShareBasedCompensation

62000000

usd

us-gaap

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

-194000000

usd

us-gaap

Payments Of Dividends Common Stock

PaymentsOfDividendsCommonStock

447000000

usd

us-gaap

Proceeds From Debt Net Of Issuance Costs

ProceedsFromDebtNetOfIssuanceCosts

738000000

usd

us-gaap

Proceeds From Stock Options Exercised

ProceedsFromStockOptionsExercised

212000000

usd

us-gaap

Net Cash Provided By Used In Financing Activities

NetCashProvidedByUsedInFinancingActivities

-871000000

usd

us-gaap

Net Cash Provided By Used In Financing Activities

NetCashProvidedByUsedInFinancingActivities

-455000000

usd

us-gaap

Income Taxes Paid Net

IncomeTaxesPaidNet

139000000

usd

us-gaap

Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations

EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

-5000000

usd

us-gaap

Income Taxes Paid Net

IncomeTaxesPaidNet

855000000

usd

us-gaap

Interest Paid Net

InterestPaidNet

195000000

usd

us-gaap

Interest Paid Net

InterestPaidNet

175000000

usd

trv

Contractholder Receivables Credit Loss Expense Reversal

ContractholderReceivablesCreditLossExpenseReversal

-2000000

usd

us-gaap

Proceeds From Sale And Maturity Of Other Investments

ProceedsFromSaleAndMaturityOfOtherInvestments

110000000

usd

us-gaap

Payments To Acquire Available For Sale Securities Debt

PaymentsToAcquireAvailableForSaleSecuritiesDebt

7663000000

usd

us-gaap

Payments For Proceeds From Availableforsale Securities Shortterm

PaymentsForProceedsFromAvailableforsaleSecuritiesShortterm

-784000000

usd

CY2022Q4

us-gaap

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

799000000

usd

trv

Stock Issued Net Share Settlement Employee Options

StockIssuedNetShareSettlementEmployeeOptions

30000000

usd

trv

Stock Issued Net Share Settlement Employee Options

StockIssuedNetShareSettlementEmployeeOptions

0

usd

us-gaap

Payments For Proceeds From Availableforsale Securities Shortterm

PaymentsForProceedsFromAvailableforsaleSecuritiesShortterm

418000000

usd

CY2023Q1

us-gaap

Tax Adjustments Settlements And Unusual Provisions

TaxAdjustmentsSettlementsAndUnusualProvisions

-211000000

usd

us-gaap

Payments To Acquire Equity Securities Fv Ni

PaymentsToAcquireEquitySecuritiesFvNi

47000000

usd

us-gaap

Number Of Reportable Segments

NumberOfReportableSegments

3

segment

us-gaap

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

79000000

usd

CY2024Q2

trv

Net Realized Investment Gains Losses After Tax

NetRealizedInvestmentGainsLossesAfterTax

-51000000

usd

us-gaap

Payments To Acquire Real Estate Held For Investment

PaymentsToAcquireRealEstateHeldForInvestment

26000000

usd

CY2023Q2

trv

Net Realized Investment Gains Losses After Tax

NetRealizedInvestmentGainsLossesAfterTax

-29000000

usd

us-gaap

Payments To Acquire Other Investments

PaymentsToAcquireOtherInvestments

185000000

usd

CY2023Q2

us-gaap

Net Income Loss

NetIncomeLoss

-14000000

usd

us-gaap

Payments To Acquire Other Investments

PaymentsToAcquireOtherInvestments

255000000

usd

trv

Stock Issued Net Share Settlement Employee Options

StockIssuedNetShareSettlementEmployeeOptions

0

usd

CY2023Q4

us-gaap

Shares Issued

SharesIssued

228200000

shares

us-gaap

Payments To Acquire Real Estate Held For Investment

PaymentsToAcquireRealEstateHeldForInvestment

24000000

usd

CY2023Q1

us-gaap

Tax Adjustments Settlements And Unusual Provisions

TaxAdjustmentsSettlementsAndUnusualProvisions

-211000000

usd

us-gaap

Number Of Reportable Segments

NumberOfReportableSegments

3

segment

CY2024Q2

us-gaap

Realized Investment Gains Losses

RealizedInvestmentGainsLosses

-65000000

usd

CY2024Q2

us-gaap

Revenues

11283000000

usd

CY2023Q2

us-gaap

Revenues

10098000000

usd

CY2023Q2

trv

Operating Income Loss Net Of Tax

OperatingIncomeLossNetOfTax

15000000

usd

us-gaap

Payments To Acquire Equity Securities Fv Ni

PaymentsToAcquireEquitySecuritiesFvNi

50000000

usd

trv

Stock Issued Net Share Settlement Employee Options

StockIssuedNetShareSettlementEmployeeOptions

30000000

usd

trv

Stock Issued Net Share Settlement Employee Options

StockIssuedNetShareSettlementEmployeeOptions

0

usd

CY2023Q1

us-gaap

Tax Adjustments Settlements And Unusual Provisions

TaxAdjustmentsSettlementsAndUnusualProvisions

-211000000

usd

us-gaap

Number Of Reportable Segments

NumberOfReportableSegments

3

segment

CY2024Q2

us-gaap

Realized Investment Gains Losses

RealizedInvestmentGainsLosses

-65000000

usd

us-gaap

Realized Investment Gains Losses

RealizedInvestmentGainsLosses

-29000000

usd

CY2024Q2

us-gaap

Revenues

11283000000

usd

CY2024Q2

us-gaap

Treasury Stock Common Value

TreasuryStockCommonValue

41746000000

usd

CY2023Q4

us-gaap

Treasury Stock Common Value

TreasuryStockCommonValue

41105000000

usd

us-gaap

Payments To Acquire Available For Sale Securities Debt

PaymentsToAcquireAvailableForSaleSecuritiesDebt

8087000000

usd

us-gaap

Revenues

22511000000

usd

us-gaap

Revenues

19802000000

usd

CY2024Q2

trv

Operating Income Loss Net Of Tax

OperatingIncomeLossNetOfTax

585000000

usd

CY2023Q2

trv

Operating Income Loss Net Of Tax

OperatingIncomeLossNetOfTax

15000000

usd

trv

Operating Income Loss Net Of Tax

OperatingIncomeLossNetOfTax

1681000000

usd

trv

Operating Income Loss Net Of Tax

OperatingIncomeLossNetOfTax

985000000

usd

CY2024Q2

trv

Net Realized Investment Gains Losses After Tax

NetRealizedInvestmentGainsLossesAfterTax

-51000000

usd

CY2023Q2

trv

Net Realized Investment Gains Losses After Tax

NetRealizedInvestmentGainsLossesAfterTax

-29000000

usd

trv

Net Realized Investment Gains Losses After Tax

NetRealizedInvestmentGainsLossesAfterTax

-24000000

usd

trv

Net Realized Investment Gains Losses After Tax

NetRealizedInvestmentGainsLossesAfterTax

-24000000

usd

CY2023Q2

us-gaap

Net Income Loss

NetIncomeLoss

-14000000

usd

us-gaap

Net Income Loss

NetIncomeLoss

1657000000

usd

CY2023Q1

us-gaap

Tax Adjustments Settlements And Unusual Provisions

TaxAdjustmentsSettlementsAndUnusualProvisions

-211000000

usd

us-gaap

Number Of Reportable Segments

NumberOfReportableSegments

3

segment

CY2024Q2

us-gaap

Realized Investment Gains Losses

RealizedInvestmentGainsLosses

-65000000

usd

CY2023Q2

us-gaap

Realized Investment Gains Losses

RealizedInvestmentGainsLosses

-35000000

usd

us-gaap

Realized Investment Gains Losses

RealizedInvestmentGainsLosses

-30000000

usd

us-gaap

Realized Investment Gains Losses

RealizedInvestmentGainsLosses

-29000000

usd

CY2024Q2

us-gaap

Revenues

11283000000

usd

CY2023Q2

us-gaap

Revenues

10098000000

usd

us-gaap

Revenues

22511000000

usd

us-gaap

Revenues

19802000000

usd

CY2024Q2

us-gaap

Treasury Stock Common Value

TreasuryStockCommonValue

41746000000

usd

CY2023Q4

us-gaap

Treasury Stock Common Value

TreasuryStockCommonValue

41105000000

usd

trv

Securities Transactions In Course Of Settlement

SecuritiesTransactionsInCourseOfSettlement

358000000

usd

CY2024Q2

trv

Operating Income Loss Net Of Tax

OperatingIncomeLossNetOfTax

585000000

usd

trv

Operating Income Loss Net Of Tax

OperatingIncomeLossNetOfTax

1681000000

usd

CY2023Q4

us-gaap

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

650000000

usd

trv

Operating Income Loss Net Of Tax

OperatingIncomeLossNetOfTax

985000000

usd

trv

Stock Issued Net Share Settlement Employee Options

StockIssuedNetShareSettlementEmployeeOptions

30000000

usd

trv

Stock Issued Net Share Settlement Employee Options

StockIssuedNetShareSettlementEmployeeOptions

0

usd

CY2024Q2

trv

Net Realized Investment Gains Losses After Tax

NetRealizedInvestmentGainsLossesAfterTax

-51000000

usd

CY2023Q2

trv

Net Realized Investment Gains Losses After Tax

NetRealizedInvestmentGainsLossesAfterTax

-29000000

usd

trv

Net Realized Investment Gains Losses After Tax

NetRealizedInvestmentGainsLossesAfterTax

-24000000

usd

trv

Net Realized Investment Gains Losses After Tax

NetRealizedInvestmentGainsLossesAfterTax

-24000000

usd

CY2024Q2

us-gaap

Net Income Loss

NetIncomeLoss

534000000

usd

CY2023Q2

us-gaap

Net Income Loss

NetIncomeLoss

-14000000

usd

us-gaap

Net Income Loss

NetIncomeLoss

1657000000

usd

CY2024Q2

us-gaap

Treasury Stock Common Value

TreasuryStockCommonValue

41746000000

usd

CY2023Q4

us-gaap

Treasury Stock Common Value

TreasuryStockCommonValue

41105000000

usd

us-gaap

Proceeds From Sale And Maturity Of Other Investments

ProceedsFromSaleAndMaturityOfOtherInvestments

100000000

usd

us-gaap

Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations

EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

12000000

usd

trv

Stock Issued Net Share Settlement Employee Options

StockIssuedNetShareSettlementEmployeeOptions

30000000

usd

trv

Stock Issued Net Share Settlement Employee Options

StockIssuedNetShareSettlementEmployeeOptions

0

usd

trv

Net Realized Investment Gains Losses After Tax

NetRealizedInvestmentGainsLossesAfterTax

-24000000

usd

CY2023Q1

us-gaap

Tax Adjustments Settlements And Unusual Provisions

TaxAdjustmentsSettlementsAndUnusualProvisions

-211000000

usd

us-gaap

Number Of Reportable Segments

NumberOfReportableSegments

3

segment

CY2024Q2

us-gaap

Realized Investment Gains Losses

RealizedInvestmentGainsLosses

-65000000

usd

us-gaap

Realized Investment Gains Losses

RealizedInvestmentGainsLosses

-30000000

usd

us-gaap

Realized Investment Gains Losses

RealizedInvestmentGainsLosses

-29000000

usd

CY2024Q2

us-gaap

Revenues

11283000000

usd

CY2023Q2

us-gaap

Revenues

10098000000

usd

us-gaap

Revenues

22511000000

usd

us-gaap

Revenues

19802000000

usd

CY2024Q2

trv

Operating Income Loss Net Of Tax

OperatingIncomeLossNetOfTax

585000000

usd

trv

Operating Income Loss Net Of Tax

OperatingIncomeLossNetOfTax

1681000000

usd

trv

Operating Income Loss Net Of Tax

OperatingIncomeLossNetOfTax

985000000

usd

CY2024Q2

trv

Net Realized Investment Gains Losses After Tax

NetRealizedInvestmentGainsLossesAfterTax

-51000000

usd

CY2023Q2

trv

Net Realized Investment Gains Losses After Tax

NetRealizedInvestmentGainsLossesAfterTax

-29000000

usd

trv

Net Realized Investment Gains Losses After Tax

NetRealizedInvestmentGainsLossesAfterTax

-24000000

usd

CY2023Q2

us-gaap

Net Income Loss

NetIncomeLoss

-14000000

usd

us-gaap

Net Income Loss

NetIncomeLoss

1657000000

usd

CY2024Q2

us-gaap

Assets

129315000000

usd

CY2023Q4

us-gaap

Assets

125978000000

usd

CY2024Q2

us-gaap

Realized Investment Gains Losses

RealizedInvestmentGainsLosses

-65000000

usd

us-gaap

Realized Investment Gains Losses

RealizedInvestmentGainsLosses

-29000000

usd

CY2024Q2

us-gaap

Revenues

11283000000

usd

us-gaap

Revenues

22511000000

usd

us-gaap

Revenues

19802000000

usd

CY2023Q2

trv

Operating Income Loss Net Of Tax

OperatingIncomeLossNetOfTax

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usd

trv

Operating Income Loss Net Of Tax

OperatingIncomeLossNetOfTax

1681000000

usd

trv

Operating Income Loss Net Of Tax

OperatingIncomeLossNetOfTax

985000000

usd

CY2024Q2

trv

Net Realized Investment Gains Losses After Tax

NetRealizedInvestmentGainsLossesAfterTax

-51000000

usd

CY2023Q2

trv

Net Realized Investment Gains Losses After Tax

NetRealizedInvestmentGainsLossesAfterTax

-29000000

usd

trv

Net Realized Investment Gains Losses After Tax

NetRealizedInvestmentGainsLossesAfterTax

-24000000

usd

trv

Net Realized Investment Gains Losses After Tax

NetRealizedInvestmentGainsLossesAfterTax

-24000000

usd

CY2023Q2

us-gaap

Net Income Loss

NetIncomeLoss

-14000000

usd

us-gaap

Net Income Loss

NetIncomeLoss

1657000000

usd

us-gaap

Net Income Loss

NetIncomeLoss

961000000

usd

CY2024Q2

us-gaap

Assets

129315000000

usd

CY2023Q4

us-gaap

Assets

125978000000

usd

CY2024Q2

us-gaap

Available For Sale Debt Securities Amortized Cost Basis

AvailableForSaleDebtSecuritiesAmortizedCostBasis

84231000000

usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Allowance For Credit Loss

DebtSecuritiesAvailableForSaleAllowanceForCreditLoss

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usd

CY2024Q2

us-gaap

Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax

AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

5223000000

usd

CY2023Q4

us-gaap

Available For Sale Debt Securities Amortized Cost Basis

AvailableForSaleDebtSecuritiesAmortizedCostBasis

81781000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Allowance For Credit Loss

DebtSecuritiesAvailableForSaleAllowanceForCreditLoss

5000000

usd

CY2023Q4

us-gaap

Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax

AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

471000000

usd

CY2023Q4

us-gaap

Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax

AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

4440000000

usd

CY2023Q4

us-gaap

Available For Sale Securities Debt Securities

AvailableForSaleSecuritiesDebtSecurities

77807000000

usd

us-gaap

Proceeds From Sale Of Available For Sale Securities Debt

ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

1250000000

usd

us-gaap

Proceeds From Sale Of Available For Sale Securities Debt

ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

3120000000

usd

us-gaap

Debt Securities Available For Sale Realized Gain

DebtSecuritiesAvailableForSaleRealizedGain

2000000

usd

us-gaap

Debt Securities Available For Sale Realized Gain

DebtSecuritiesAvailableForSaleRealizedGain

19000000

usd

us-gaap

Debt Securities Available For Sale Realized Loss

DebtSecuritiesAvailableForSaleRealizedLoss

41000000

usd

us-gaap

Debt Securities Available For Sale Realized Loss

DebtSecuritiesAvailableForSaleRealizedLoss

51000000

usd

trv

Debt Securities Available For Sale Early Redemption Realized Loss

DebtSecuritiesAvailableForSaleEarlyRedemptionRealizedLoss

33000000

usd

CY2024Q2

us-gaap

Assets

129315000000

usd

CY2023Q4

us-gaap

Assets

125978000000

usd

CY2024Q2

us-gaap

Available For Sale Debt Securities Amortized Cost Basis

AvailableForSaleDebtSecuritiesAmortizedCostBasis

84231000000

usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Allowance For Credit Loss

DebtSecuritiesAvailableForSaleAllowanceForCreditLoss

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usd

CY2024Q2

us-gaap

Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax

AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

181000000

usd

CY2024Q2

us-gaap

Available For Sale Securities Debt Securities

AvailableForSaleSecuritiesDebtSecurities

79188000000

usd

CY2023Q4

us-gaap

Available For Sale Debt Securities Amortized Cost Basis

AvailableForSaleDebtSecuritiesAmortizedCostBasis

81781000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Allowance For Credit Loss

DebtSecuritiesAvailableForSaleAllowanceForCreditLoss

5000000

usd

CY2023Q4

us-gaap

Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax

AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

471000000

usd

CY2023Q4

us-gaap

Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax

AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

4440000000

usd

CY2023Q4

us-gaap

Available For Sale Securities Debt Securities

AvailableForSaleSecuritiesDebtSecurities

77807000000

usd

us-gaap

Proceeds From Sale Of Available For Sale Securities Debt

ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

1250000000

usd

us-gaap

Proceeds From Sale Of Available For Sale Securities Debt

ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

3120000000

usd

us-gaap

Debt Securities Available For Sale Realized Gain

DebtSecuritiesAvailableForSaleRealizedGain

19000000

usd

us-gaap

Debt Securities Available For Sale Realized Loss

DebtSecuritiesAvailableForSaleRealizedLoss

41000000

usd

us-gaap

Debt Securities Available For Sale Realized Loss

DebtSecuritiesAvailableForSaleRealizedLoss

51000000

usd

trv

Debt Securities Available For Sale Early Redemption Realized Loss

DebtSecuritiesAvailableForSaleEarlyRedemptionRealizedLoss

33000000

usd

trv

Debt Securities Available For Sale Early Redemption Realized Loss

DebtSecuritiesAvailableForSaleEarlyRedemptionRealizedLoss

0

usd

us-gaap

Equity Securities Fv Ni Unrealized Gain

EquitySecuritiesFvNiUnrealizedGain

119000000

usd

us-gaap

Equity Securities Fv Ni Unrealized Loss

EquitySecuritiesFvNiUnrealizedLoss

14000000

usd

CY2024Q2

us-gaap

Equity Securities Fv Ni Current And Noncurrent

EquitySecuritiesFvNiCurrentAndNoncurrent

644000000

usd

CY2023Q4

us-gaap

Equity Securities Fv Ni Cost

EquitySecuritiesFvNiCost

553000000

usd

CY2023

us-gaap

Equity Securities Fv Ni Unrealized Gain

EquitySecuritiesFvNiUnrealizedGain

96000000

usd

CY2023

us-gaap

Equity Securities Fv Ni Unrealized Loss

EquitySecuritiesFvNiUnrealizedLoss

41000000

usd

CY2023Q4

us-gaap

Equity Securities Fv Ni Current And Noncurrent

EquitySecuritiesFvNiCurrentAndNoncurrent

608000000

usd

us-gaap

Equity Securities Fv Ni Unrealized Gain Loss

EquitySecuritiesFvNiUnrealizedGainLoss

3000000

usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

17477000000

usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

189000000

usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

5034000000

usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Unrealized Loss Position

DebtSecuritiesAvailableForSaleUnrealizedLossPosition

65792000000

usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss

DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss

5223000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

7993000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

56000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger

45976000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

4384000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Unrealized Loss Position

DebtSecuritiesAvailableForSaleUnrealizedLossPosition

53969000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss

DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss

4440000000

usd

CY2024Q2

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Three Months Or Less

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostThreeMonthsOrLess

170000000

usd

CY2024Q2

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Three Months Six Months Or Less

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanThreeMonthsSixMonthsOrLess

307000000

usd

CY2024Q2

us-gaap

Assets

129315000000

usd

CY2024Q2

us-gaap

Available For Sale Debt Securities Amortized Cost Basis

AvailableForSaleDebtSecuritiesAmortizedCostBasis

84231000000

usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Allowance For Credit Loss

DebtSecuritiesAvailableForSaleAllowanceForCreditLoss

1000000

usd

CY2024Q2

us-gaap

Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax

AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

181000000

usd

CY2024Q2

us-gaap

Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax

AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

5223000000

usd

CY2024Q2

us-gaap

Available For Sale Securities Debt Securities

AvailableForSaleSecuritiesDebtSecurities

79188000000

usd

CY2023Q4

us-gaap

Available For Sale Debt Securities Amortized Cost Basis

AvailableForSaleDebtSecuritiesAmortizedCostBasis

81781000000

usd

CY2023Q4

us-gaap

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Debt Securities Available For Sale Early Redemption Realized Loss

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us-gaap

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us-gaap

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us-gaap

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us-gaap

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us-gaap

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us-gaap

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CY2024Q2

us-gaap

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us-gaap

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us-gaap

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us-gaap

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CY2023Q4

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CY2024Q2

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us-gaap

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us-gaap

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us-gaap

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us-gaap

Debt Securities Available For Sale Realized Gain

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us-gaap

Debt Securities Available For Sale Realized Loss

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us-gaap

Debt Securities Available For Sale Realized Loss

DebtSecuritiesAvailableForSaleRealizedLoss

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trv

Debt Securities Available For Sale Early Redemption Realized Loss

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trv

Debt Securities Available For Sale Early Redemption Realized Loss

DebtSecuritiesAvailableForSaleEarlyRedemptionRealizedLoss

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us-gaap

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us-gaap

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us-gaap

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us-gaap

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CY2023

us-gaap

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EquitySecuritiesFvNiUnrealizedGain

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CY2023

us-gaap

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us-gaap

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us-gaap

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EquitySecuritiesFvNiUnrealizedGainLoss

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usd

us-gaap

Equity Securities Fv Ni Unrealized Gain Loss

EquitySecuritiesFvNiUnrealizedGainLoss

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CY2024Q2

us-gaap

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DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

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usd

CY2024Q2

us-gaap

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DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

189000000

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us-gaap

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DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger

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CY2024Q2

us-gaap

Available For Sale Debt Securities Amortized Cost Basis

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CY2024Q2

us-gaap

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CY2024Q2

us-gaap

Available For Sale Securities Debt Securities

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us-gaap

Available For Sale Debt Securities Amortized Cost Basis

AvailableForSaleDebtSecuritiesAmortizedCostBasis

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us-gaap

Debt Securities Available For Sale Allowance For Credit Loss

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us-gaap

Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax

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us-gaap

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us-gaap

Available For Sale Securities Debt Securities

AvailableForSaleSecuritiesDebtSecurities

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us-gaap

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usd

us-gaap

Debt Securities Available For Sale Realized Gain

DebtSecuritiesAvailableForSaleRealizedGain

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us-gaap

Debt Securities Available For Sale Realized Gain

DebtSecuritiesAvailableForSaleRealizedGain

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us-gaap

Debt Securities Available For Sale Realized Loss

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us-gaap

Debt Securities Available For Sale Realized Loss

DebtSecuritiesAvailableForSaleRealizedLoss

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trv

Debt Securities Available For Sale Early Redemption Realized Loss

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us-gaap

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EquitySecuritiesFvNiUnrealizedGain

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us-gaap

Equity Securities Fv Ni Unrealized Loss

EquitySecuritiesFvNiUnrealizedLoss

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us-gaap

Equity Securities Fv Ni Cost

EquitySecuritiesFvNiCost

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CY2023

us-gaap

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EquitySecuritiesFvNiUnrealizedGain

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CY2023

us-gaap

Equity Securities Fv Ni Unrealized Loss

EquitySecuritiesFvNiUnrealizedLoss

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us-gaap

Equity Securities Fv Ni Unrealized Gain Loss

EquitySecuritiesFvNiUnrealizedGainLoss

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usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

17477000000

usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

189000000

usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer

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48315000000

usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

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usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Unrealized Loss Position

DebtSecuritiesAvailableForSaleUnrealizedLossPosition

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CY2024Q2

us-gaap

Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss

DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss

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CY2023Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months

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CY2023Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

56000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger

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usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

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usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Unrealized Loss Position

DebtSecuritiesAvailableForSaleUnrealizedLossPosition

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CY2023Q4

us-gaap

Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss

DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss

4440000000

usd

CY2024Q2

trv

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AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostThreeMonthsOrLess

170000000

usd

CY2024Q2

trv

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AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanThreeMonthsSixMonthsOrLess

307000000

usd

CY2024Q2

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Six Months Twelve Months Or Less

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanSixMonthsTwelveMonthsOrLess

3000000

usd

CY2024Q2

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Total

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostTotal

1242000000

usd

CY2023Q4

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Three Months Or Less

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostThreeMonthsOrLess

1000000

usd

CY2023Q4

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Three Months Six Months Or Less

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanThreeMonthsSixMonthsOrLess

5000000

usd

CY2023Q4

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Six Months Twelve Months Or Less

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53000000

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CY2023Q4

trv

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AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanTwelveMonths

667000000

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CY2023Q4

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Total

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostTotal

726000000

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CY2024Q2

trv

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trv

Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses

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usd

CY2023Q2

trv

Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Fixed Maturity Portfolio On Pretax Basis

DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfFixedMaturityPortfolioOnPretaxBasis

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trv

Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Fixed Maturity Portfolio On Pretax Basis

DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfFixedMaturityPortfolioOnPretaxBasis

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trv

Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Shareholders Equity On After Tax Basis

DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfShareholdersEquityOnAfterTaxBasis

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Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Shareholders Equity On After Tax Basis

DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfShareholdersEquityOnAfterTaxBasis

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Availability Of Financial Information Provided By Hedge Funds

AvailabilityOfFinancialInformationProvidedByHedgeFunds

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Availability Of Financial Information Provided By Private Equity And Real Estate Partnerships Maximum

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us-gaap

Equity Securities Fv Ni Cost

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usd

us-gaap

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EquitySecuritiesFvNiUnrealizedGain

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usd

us-gaap

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EquitySecuritiesFvNiUnrealizedLoss

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usd

CY2024Q2

us-gaap

Equity Securities Fv Ni Current And Noncurrent

EquitySecuritiesFvNiCurrentAndNoncurrent

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usd

CY2023Q4

us-gaap

Equity Securities Fv Ni Cost

EquitySecuritiesFvNiCost

553000000

usd

CY2023

us-gaap

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EquitySecuritiesFvNiUnrealizedGain

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usd

CY2023

us-gaap

Equity Securities Fv Ni Unrealized Loss

EquitySecuritiesFvNiUnrealizedLoss

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CY2023Q4

us-gaap

Equity Securities Fv Ni Current And Noncurrent

EquitySecuritiesFvNiCurrentAndNoncurrent

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usd

us-gaap

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EquitySecuritiesFvNiUnrealizedGainLoss

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usd

us-gaap

Equity Securities Fv Ni Unrealized Gain Loss

EquitySecuritiesFvNiUnrealizedGainLoss

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usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

17477000000

usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

189000000

usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Unrealized Loss Position

DebtSecuritiesAvailableForSaleUnrealizedLossPosition

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usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss

DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss

5223000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

7993000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

56000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger

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usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

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usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss

DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss

4440000000

usd

CY2024Q2

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Three Months Or Less

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostThreeMonthsOrLess

170000000

usd

CY2024Q2

trv

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AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanThreeMonthsSixMonthsOrLess

307000000

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CY2024Q2

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Total

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostTotal

1242000000

usd

CY2023Q4

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Three Months Or Less

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostThreeMonthsOrLess

1000000

usd

CY2023Q4

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Three Months Six Months Or Less

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanThreeMonthsSixMonthsOrLess

5000000

usd

CY2023Q4

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Six Months Twelve Months Or Less

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanSixMonthsTwelveMonthsOrLess

53000000

usd

CY2023Q4

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Twelve Months

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanTwelveMonths

667000000

usd

CY2023Q4

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Total

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostTotal

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trv

Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses

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trv

Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses

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0

usd

CY2023Q2

trv

Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Fixed Maturity Portfolio On Pretax Basis

DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfFixedMaturityPortfolioOnPretaxBasis

0.01

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trv

Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Fixed Maturity Portfolio On Pretax Basis

DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfFixedMaturityPortfolioOnPretaxBasis

0.01

CY2024Q2

trv

Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Shareholders Equity On After Tax Basis

DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfShareholdersEquityOnAfterTaxBasis

0.01

CY2023Q2

trv

Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Shareholders Equity On After Tax Basis

DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfShareholdersEquityOnAfterTaxBasis

0.01

trv

Availability Of Financial Information Provided By Hedge Funds

AvailabilityOfFinancialInformationProvidedByHedgeFunds

P1M

CY2023Q4

trv

Percent Of Fixed Maturities For Which Pricing Service Estimates Fair Value

PercentOfFixedMaturitiesForWhichPricingServiceEstimatesFairValue

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trv

Percent Of Fixed Maturities For Which Pricing Service Estimates Fair Value

PercentOfFixedMaturitiesForWhichPricingServiceEstimatesFairValue

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us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

5034000000

usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Unrealized Loss Position

DebtSecuritiesAvailableForSaleUnrealizedLossPosition

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usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss

DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss

5223000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

7993000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

56000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger

45976000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

4384000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Unrealized Loss Position

DebtSecuritiesAvailableForSaleUnrealizedLossPosition

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usd

CY2024Q2

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Three Months Or Less

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostThreeMonthsOrLess

170000000

usd

CY2024Q2

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Three Months Six Months Or Less

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanThreeMonthsSixMonthsOrLess

307000000

usd

CY2024Q2

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Six Months Twelve Months Or Less

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanSixMonthsTwelveMonthsOrLess

3000000

usd

CY2024Q2

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Twelve Months

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanTwelveMonths

762000000

usd

CY2024Q2

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Total

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostTotal

1242000000

usd

CY2023Q4

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Three Months Or Less

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostThreeMonthsOrLess

1000000

usd

CY2023Q4

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Three Months Six Months Or Less

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanThreeMonthsSixMonthsOrLess

5000000

usd

CY2023Q4

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Total

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostTotal

726000000

usd

CY2024Q2

trv

Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses

TotalNetImpairmentChargesIncludingCreditImpairmentsReportedInNetRealizedInvestmentGainsLosses

0

usd

CY2023Q2

trv

Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses

TotalNetImpairmentChargesIncludingCreditImpairmentsReportedInNetRealizedInvestmentGainsLosses

0

usd

CY2023Q2

trv

Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Fixed Maturity Portfolio On Pretax Basis

DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfFixedMaturityPortfolioOnPretaxBasis

0.01

CY2024Q2

trv

Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Fixed Maturity Portfolio On Pretax Basis

DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfFixedMaturityPortfolioOnPretaxBasis

0.01

CY2024Q2

trv

Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Shareholders Equity On After Tax Basis

DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfShareholdersEquityOnAfterTaxBasis

0.01

CY2023Q2

trv

Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Shareholders Equity On After Tax Basis

DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfShareholdersEquityOnAfterTaxBasis

0.01

trv

Availability Of Financial Information Provided By Hedge Funds

AvailabilityOfFinancialInformationProvidedByHedgeFunds

P1M

trv

Availability Of Financial Information Provided By Private Equity And Real Estate Partnerships Maximum

AvailabilityOfFinancialInformationProvidedByPrivateEquityAndRealEstatePartnershipsMaximum

P3M

CY2023Q4

trv

Percent Of Fixed Maturities For Which Pricing Service Estimates Fair Value

PercentOfFixedMaturitiesForWhichPricingServiceEstimatesFairValue

0.99

CY2024Q2

trv

Percent Of Fixed Maturities For Which Pricing Service Estimates Fair Value

PercentOfFixedMaturitiesForWhichPricingServiceEstimatesFairValue

0.99

CY2024Q1

us-gaap

Premiums Receivable Allowance For Doubtful Accounts

PremiumsReceivableAllowanceForDoubtfulAccounts

68000000

usd

CY2023Q2

us-gaap

Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance

PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance

12000000

usd

CY2024Q2

us-gaap

Premiums Receivable Allowance For Doubtful Accounts

PremiumsReceivableAllowanceForDoubtfulAccounts

69000000

usd

us-gaap

Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance

PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance

22000000

usd

CY2024Q1

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

117000000

usd

CY2023Q2

us-gaap

Reinsurance Recoverable Credit Loss Expense Reversal

ReinsuranceRecoverableCreditLossExpenseReversal

-10000000

usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Unrealized Loss Position

DebtSecuritiesAvailableForSaleUnrealizedLossPosition

65792000000

usd

CY2024Q2

us-gaap

Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss

DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss

5223000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

7993000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

56000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger

45976000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

4384000000

usd

CY2023Q4

us-gaap

Debt Securities Available For Sale Unrealized Loss Position

DebtSecuritiesAvailableForSaleUnrealizedLossPosition

53969000000

usd

CY2024Q2

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Three Months Or Less

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostThreeMonthsOrLess

170000000

usd

CY2024Q2

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Six Months Twelve Months Or Less

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanSixMonthsTwelveMonthsOrLess

3000000

usd

CY2023Q4

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Three Months Or Less

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostThreeMonthsOrLess

1000000

usd

CY2023Q4

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Three Months Six Months Or Less

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanThreeMonthsSixMonthsOrLess

5000000

usd

CY2023Q4

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Twelve Months

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanTwelveMonths

667000000

usd

CY2023Q4

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Total

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostTotal

726000000

usd

CY2024Q2

trv

Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses

TotalNetImpairmentChargesIncludingCreditImpairmentsReportedInNetRealizedInvestmentGainsLosses

0

usd

CY2023Q2

trv

Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses

TotalNetImpairmentChargesIncludingCreditImpairmentsReportedInNetRealizedInvestmentGainsLosses

0

usd

CY2023Q2

trv

Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Fixed Maturity Portfolio On Pretax Basis

DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfFixedMaturityPortfolioOnPretaxBasis

0.01

CY2024Q2

trv

Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Fixed Maturity Portfolio On Pretax Basis

DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfFixedMaturityPortfolioOnPretaxBasis

0.01

CY2024Q2

trv

Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Shareholders Equity On After Tax Basis

DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfShareholdersEquityOnAfterTaxBasis

0.01

CY2023Q2

trv

Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Shareholders Equity On After Tax Basis

DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfShareholdersEquityOnAfterTaxBasis

0.01

trv

Availability Of Financial Information Provided By Hedge Funds

AvailabilityOfFinancialInformationProvidedByHedgeFunds

P1M

trv

Availability Of Financial Information Provided By Private Equity And Real Estate Partnerships Maximum

AvailabilityOfFinancialInformationProvidedByPrivateEquityAndRealEstatePartnershipsMaximum

P3M

CY2023Q4

trv

Percent Of Fixed Maturities For Which Pricing Service Estimates Fair Value

PercentOfFixedMaturitiesForWhichPricingServiceEstimatesFairValue

0.99

CY2024Q2

trv

Percent Of Fixed Maturities For Which Pricing Service Estimates Fair Value

PercentOfFixedMaturitiesForWhichPricingServiceEstimatesFairValue

0.99

CY2024Q1

us-gaap

Premiums Receivable Allowance For Doubtful Accounts

PremiumsReceivableAllowanceForDoubtfulAccounts

68000000

usd

CY2023Q2

us-gaap

Premium Receivable Credit Loss Expense Reversal

PremiumReceivableCreditLossExpenseReversal

7000000

usd

CY2024Q2

us-gaap

Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance

PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance

12000000

usd

CY2023Q2

us-gaap

Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance

PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance

12000000

usd

CY2023Q2

us-gaap

Premiums Receivable At Carrying Value

PremiumsReceivableAtCarryingValue

10327000000

usd

us-gaap

Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance

PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance

22000000

usd

CY2023Q2

us-gaap

Premiums Receivable At Carrying Value

PremiumsReceivableAtCarryingValue

10327000000

usd

CY2024Q1

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

117000000

usd

CY2023Q1

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8091000000

usd

CY2023Q2

us-gaap

Reinsurance Recoverable Credit Loss Expense Reversal

ReinsuranceRecoverableCreditLossExpenseReversal

-10000000

usd

CY2024Q2

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

117000000

usd

CY2024Q2

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Twelve Months

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanTwelveMonths

762000000

usd

CY2024Q2

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Total

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostTotal

1242000000

usd

CY2023Q4

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Three Months Or Less

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostThreeMonthsOrLess

1000000

usd

CY2023Q4

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Greater Than Twelve Months

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostGreaterThanTwelveMonths

667000000

usd

CY2023Q4

trv

Available For Sale Securities For Which Fair Value Is Less Than Eighty Percent Of Amortized Cost Total

AvailableForSaleSecuritiesForWhichFairValueIsLessThanEightyPercentOfAmortizedCostTotal

726000000

usd

CY2024Q2

trv

Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses

TotalNetImpairmentChargesIncludingCreditImpairmentsReportedInNetRealizedInvestmentGainsLosses

0

usd

CY2023Q2

trv

Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses

TotalNetImpairmentChargesIncludingCreditImpairmentsReportedInNetRealizedInvestmentGainsLosses

0

usd

trv

Total Net Impairment Charges Including Credit Impairments Reported In Net Realized Investment Gains Losses

TotalNetImpairmentChargesIncludingCreditImpairmentsReportedInNetRealizedInvestmentGainsLosses

1000000

usd

CY2023Q2

trv

Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Fixed Maturity Portfolio On Pretax Basis

DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfFixedMaturityPortfolioOnPretaxBasis

0.01

CY2024Q2

trv

Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Fixed Maturity Portfolio On Pretax Basis

DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfFixedMaturityPortfolioOnPretaxBasis

0.01

CY2024Q2

trv

Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Shareholders Equity On After Tax Basis

DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfShareholdersEquityOnAfterTaxBasis

0.01

CY2023Q2

trv

Debt Securities Available For Sale Credit Losses Recognized In Earnings For The Period As Percentage Of Shareholders Equity On After Tax Basis

DebtSecuritiesAvailableForSaleCreditLossesRecognizedInEarningsForThePeriodAsPercentageOfShareholdersEquityOnAfterTaxBasis

0.01

trv

Availability Of Financial Information Provided By Hedge Funds

AvailabilityOfFinancialInformationProvidedByHedgeFunds

P1M

trv

Availability Of Financial Information Provided By Private Equity And Real Estate Partnerships Maximum

AvailabilityOfFinancialInformationProvidedByPrivateEquityAndRealEstatePartnershipsMaximum

P3M

CY2023Q4

trv

Percent Of Fixed Maturities For Which Pricing Service Estimates Fair Value

PercentOfFixedMaturitiesForWhichPricingServiceEstimatesFairValue

0.99

CY2024Q2

trv

Percent Of Fixed Maturities For Which Pricing Service Estimates Fair Value

PercentOfFixedMaturitiesForWhichPricingServiceEstimatesFairValue

0.99

CY2024Q1

us-gaap

Premiums Receivable Allowance For Doubtful Accounts

PremiumsReceivableAllowanceForDoubtfulAccounts

68000000

usd

CY2024Q2

us-gaap

Premium Receivable Credit Loss Expense Reversal

PremiumReceivableCreditLossExpenseReversal

13000000

usd

CY2023Q2

us-gaap

Reinsurance Loss On Uncollectible Accounts In Period Amount

ReinsuranceLossOnUncollectibleAccountsInPeriodAmount

0

usd

CY2024Q2

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8132000000

usd

CY2024Q2

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

117000000

usd

CY2023Q2

us-gaap

Premium Receivable Credit Loss Expense Reversal

PremiumReceivableCreditLossExpenseReversal

7000000

usd

CY2024Q2

us-gaap

Premiums Receivable Allowance For Doubtful Accounts

PremiumsReceivableAllowanceForDoubtfulAccounts

69000000

usd

CY2023Q2

us-gaap

Premiums Receivable Allowance For Doubtful Accounts

PremiumsReceivableAllowanceForDoubtfulAccounts

72000000

usd

CY2023Q4

us-gaap

Premiums Receivable At Carrying Value

PremiumsReceivableAtCarryingValue

10282000000

usd

us-gaap

Premium Receivable Credit Loss Expense Reversal

PremiumReceivableCreditLossExpenseReversal

17000000

usd

us-gaap

Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance

PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance

22000000

usd

CY2024Q2

us-gaap

Premiums Receivable At Carrying Value

PremiumsReceivableAtCarryingValue

11491000000

usd

CY2024Q2

us-gaap

Premiums Receivable Allowance For Doubtful Accounts

PremiumsReceivableAllowanceForDoubtfulAccounts

69000000

usd

CY2023Q2

us-gaap

Premiums Receivable At Carrying Value

PremiumsReceivableAtCarryingValue

10327000000

usd

CY2024Q1

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8100000000

usd

CY2024Q1

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

117000000

usd

CY2023Q1

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8091000000

usd

CY2023Q1

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

131000000

usd

CY2024Q2

us-gaap

Reinsurance Recoverable Credit Loss Expense Reversal

ReinsuranceRecoverableCreditLossExpenseReversal

0

usd

CY2023Q4

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8143000000

usd

CY2023Q2

us-gaap

Reinsurance Recoverable Credit Loss Expense Reversal

ReinsuranceRecoverableCreditLossExpenseReversal

-10000000

usd

CY2023Q4

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

118000000

usd

CY2022Q4

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8063000000

usd

us-gaap

Reinsurance Recoverable Credit Loss Expense Reversal

ReinsuranceRecoverableCreditLossExpenseReversal

-11000000

usd

CY2024Q2

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8132000000

usd

CY2024Q2

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

117000000

usd

CY2023Q4

trv

Percent Of Fixed Maturities For Which Pricing Service Estimates Fair Value

PercentOfFixedMaturitiesForWhichPricingServiceEstimatesFairValue

0.99

CY2024Q2

trv

Percent Of Fixed Maturities For Which Pricing Service Estimates Fair Value

PercentOfFixedMaturitiesForWhichPricingServiceEstimatesFairValue

0.99

CY2024Q1

us-gaap

Premiums Receivable Allowance For Doubtful Accounts

PremiumsReceivableAllowanceForDoubtfulAccounts

68000000

usd

CY2023Q1

us-gaap

Premiums Receivable At Carrying Value

PremiumsReceivableAtCarryingValue

9483000000

usd

CY2023Q1

us-gaap

Premiums Receivable Allowance For Doubtful Accounts

PremiumsReceivableAllowanceForDoubtfulAccounts

77000000

usd

CY2023Q2

us-gaap

Premium Receivable Credit Loss Expense Reversal

PremiumReceivableCreditLossExpenseReversal

7000000

usd

CY2023Q2

us-gaap

Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance

PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance

12000000

usd

CY2023Q2

us-gaap

Premiums Receivable At Carrying Value

PremiumsReceivableAtCarryingValue

10327000000

usd

CY2023Q4

us-gaap

Premiums Receivable At Carrying Value

PremiumsReceivableAtCarryingValue

10282000000

usd

CY2022Q4

us-gaap

Premiums Receivable At Carrying Value

PremiumsReceivableAtCarryingValue

8922000000

usd

us-gaap

Premium Receivable Credit Loss Expense Reversal

PremiumReceivableCreditLossExpenseReversal

17000000

usd

us-gaap

Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance

PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance

25000000

usd

CY2023Q2

trv

Contractholder Receivables Loss On Uncollectible Accounts In Period

ContractholderReceivablesLossOnUncollectibleAccountsInPeriod

0

usd

us-gaap

Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance

PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance

22000000

usd

CY2024Q2

us-gaap

Premiums Receivable At Carrying Value

PremiumsReceivableAtCarryingValue

11491000000

usd

CY2024Q2

us-gaap

Premiums Receivable Allowance For Doubtful Accounts

PremiumsReceivableAllowanceForDoubtfulAccounts

69000000

usd

CY2023Q2

us-gaap

Premiums Receivable At Carrying Value

PremiumsReceivableAtCarryingValue

10327000000

usd

CY2023Q2

us-gaap

Premiums Receivable Allowance For Doubtful Accounts

PremiumsReceivableAllowanceForDoubtfulAccounts

72000000

usd

CY2024Q1

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8100000000

usd

CY2024Q1

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

117000000

usd

CY2023Q1

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8091000000

usd

CY2023Q1

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

131000000

usd

CY2023Q2

us-gaap

Reinsurance Recoverable Credit Loss Expense Reversal

ReinsuranceRecoverableCreditLossExpenseReversal

-10000000

usd

CY2024Q2

us-gaap

Reinsurance Loss On Uncollectible Accounts In Period Amount

ReinsuranceLossOnUncollectibleAccountsInPeriodAmount

0

usd

CY2023Q4

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8143000000

usd

CY2023Q4

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

118000000

usd

CY2022Q4

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8063000000

usd

CY2022Q4

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

132000000

usd

us-gaap

Reinsurance Loss On Uncollectible Accounts In Period Amount

ReinsuranceLossOnUncollectibleAccountsInPeriodAmount

0

usd

us-gaap

Reinsurance Loss On Uncollectible Accounts In Period Amount

ReinsuranceLossOnUncollectibleAccountsInPeriodAmount

0

usd

CY2024Q2

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8132000000

usd

CY2024Q1

trv

Contractholder Receivables

ContractholderReceivables

3266000000

usd

CY2024Q2

trv

Contractholder Receivables

ContractholderReceivables

3274000000

usd

CY2024Q2

trv

Contractholder Receivables Allowance For Credit Loss

ContractholderReceivablesAllowanceForCreditLoss

18000000

usd

trv

Contractholder Receivables Credit Loss Expense Reversal

ContractholderReceivablesCreditLossExpenseReversal

3000000

usd

trv

Contractholder Receivables Loss On Uncollectible Accounts In Period

ContractholderReceivablesLossOnUncollectibleAccountsInPeriod

0

usd

CY2024Q1

us-gaap

Premiums Receivable At Carrying Value

PremiumsReceivableAtCarryingValue

10829000000

usd

CY2024Q1

us-gaap

Premiums Receivable Allowance For Doubtful Accounts

PremiumsReceivableAllowanceForDoubtfulAccounts

68000000

usd

CY2023Q1

us-gaap

Premiums Receivable At Carrying Value

PremiumsReceivableAtCarryingValue

9483000000

usd

CY2023Q1

us-gaap

Premiums Receivable Allowance For Doubtful Accounts

PremiumsReceivableAllowanceForDoubtfulAccounts

77000000

usd

CY2024Q2

us-gaap

Premiums Receivable At Carrying Value

PremiumsReceivableAtCarryingValue

11491000000

usd

CY2024Q2

us-gaap

Premiums Receivable Allowance For Doubtful Accounts

PremiumsReceivableAllowanceForDoubtfulAccounts

69000000

usd

CY2023Q2

us-gaap

Premiums Receivable At Carrying Value

PremiumsReceivableAtCarryingValue

10327000000

usd

CY2023Q2

us-gaap

Premiums Receivable Allowance For Doubtful Accounts

PremiumsReceivableAllowanceForDoubtfulAccounts

72000000

usd

CY2023Q4

us-gaap

Premiums Receivable Allowance For Doubtful Accounts

PremiumsReceivableAllowanceForDoubtfulAccounts

69000000

usd

CY2022Q4

us-gaap

Premiums Receivable At Carrying Value

PremiumsReceivableAtCarryingValue

8922000000

usd

CY2022Q4

us-gaap

Premiums Receivable Allowance For Doubtful Accounts

PremiumsReceivableAllowanceForDoubtfulAccounts

77000000

usd

us-gaap

Premium Receivable Credit Loss Expense Reversal

PremiumReceivableCreditLossExpenseReversal

25000000

usd

us-gaap

Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance

PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance

22000000

usd

CY2024Q2

us-gaap

Premiums Receivable At Carrying Value

PremiumsReceivableAtCarryingValue

11491000000

usd

CY2024Q2

us-gaap

Premiums Receivable Allowance For Doubtful Accounts

PremiumsReceivableAllowanceForDoubtfulAccounts

69000000

usd

CY2023Q2

us-gaap

Premiums Receivable At Carrying Value

PremiumsReceivableAtCarryingValue

10327000000

usd

CY2023Q2

us-gaap

Premiums Receivable Allowance For Doubtful Accounts

PremiumsReceivableAllowanceForDoubtfulAccounts

72000000

usd

CY2024Q1

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

117000000

usd

CY2023Q1

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8091000000

usd

CY2023Q1

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

131000000

usd

CY2023Q2

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

121000000

usd

CY2023Q4

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8143000000

usd

CY2023Q4

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

118000000

usd

CY2022Q4

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8063000000

usd

us-gaap

Reinsurance Recoverable Credit Loss Expense Reversal

ReinsuranceRecoverableCreditLossExpenseReversal

-11000000

usd

us-gaap

Reinsurance Loss On Uncollectible Accounts In Period Amount

ReinsuranceLossOnUncollectibleAccountsInPeriodAmount

0

usd

CY2024Q2

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8132000000

usd

CY2024Q2

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

117000000

usd

CY2024Q1

trv

Contractholder Receivables

ContractholderReceivables

3266000000

usd

CY2024Q1

trv

Contractholder Receivables Allowance For Credit Loss

ContractholderReceivablesAllowanceForCreditLoss

19000000

usd

CY2023Q1

trv

Contractholder Receivables Allowance For Credit Loss

ContractholderReceivablesAllowanceForCreditLoss

19000000

usd

CY2023Q2

trv

Contractholder Receivables Credit Loss Expense Reversal

ContractholderReceivablesCreditLossExpenseReversal

1000000

usd

CY2024Q2

trv

Contractholder Receivables Loss On Uncollectible Accounts In Period

ContractholderReceivablesLossOnUncollectibleAccountsInPeriod

0

usd

CY2023Q4

trv

Contractholder Receivables

ContractholderReceivables

3249000000

usd

CY2023Q2

trv

Contractholder Receivables Loss On Uncollectible Accounts In Period

ContractholderReceivablesLossOnUncollectibleAccountsInPeriod

0

usd

CY2024Q2

trv

Contractholder Receivables

ContractholderReceivables

3274000000

usd

CY2024Q2

trv

Contractholder Receivables Allowance For Credit Loss

ContractholderReceivablesAllowanceForCreditLoss

18000000

usd

CY2023Q2

trv

Contractholder Receivables

ContractholderReceivables

3449000000

usd

trv

Contractholder Receivables Credit Loss Expense Reversal

ContractholderReceivablesCreditLossExpenseReversal

3000000

usd

CY2024Q2

trv

Contractholder Receivables Allowance For Credit Loss

ContractholderReceivablesAllowanceForCreditLoss

18000000

usd

CY2023Q2

us-gaap

Reinsurance Loss On Uncollectible Accounts In Period Amount

ReinsuranceLossOnUncollectibleAccountsInPeriodAmount

0

usd

CY2023Q2

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

121000000

usd

CY2023Q4

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8143000000

usd

CY2023Q4

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

118000000

usd

CY2022Q4

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8063000000

usd

us-gaap

Reinsurance Recoverable Credit Loss Expense Reversal

ReinsuranceRecoverableCreditLossExpenseReversal

-1000000

usd

CY2023Q4

us-gaap

Finite Lived Intangible Assets Gross

FiniteLivedIntangibleAssetsGross

304000000

usd

CY2023Q4

us-gaap

Finite Lived Intangible Assets Accumulated Amortization

FiniteLivedIntangibleAssetsAccumulatedAmortization

253000000

usd

us-gaap

Reinsurance Recoverable Credit Loss Expense Reversal

ReinsuranceRecoverableCreditLossExpenseReversal

-11000000

usd

CY2024Q2

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8132000000

usd

CY2023Q2

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

121000000

usd

CY2023Q1

trv

Contractholder Receivables Allowance For Credit Loss

ContractholderReceivablesAllowanceForCreditLoss

19000000

usd

CY2023Q2

trv

Contractholder Receivables Credit Loss Expense Reversal

ContractholderReceivablesCreditLossExpenseReversal

1000000

usd

CY2024Q2

trv

Contractholder Receivables

ContractholderReceivables

3274000000

usd

CY2023Q2

trv

Contractholder Receivables

ContractholderReceivables

3449000000

usd

trv

Contractholder Receivables Loss On Uncollectible Accounts In Period

ContractholderReceivablesLossOnUncollectibleAccountsInPeriod

0

usd

CY2024Q2

trv

Contractholder Receivables

ContractholderReceivables

3274000000

usd

CY2024Q2

trv

Contractholder Receivables Allowance For Credit Loss

ContractholderReceivablesAllowanceForCreditLoss

18000000

usd

CY2023Q2

trv

Contractholder Receivables

ContractholderReceivables

3449000000

usd

CY2023Q2

trv

Contractholder Receivables Allowance For Credit Loss

ContractholderReceivablesAllowanceForCreditLoss

20000000

usd

CY2024Q2

us-gaap

Goodwill

4250000000

usd

CY2023Q4

us-gaap

Goodwill

3976000000

usd

CY2024Q2

us-gaap

Finite Lived Intangible Assets Net

FiniteLivedIntangibleAssetsNet

145000000

usd

CY2024Q2

us-gaap

Indefinite Lived Intangible Assets Excluding Goodwill

IndefiniteLivedIntangibleAssetsExcludingGoodwill

226000000

usd

CY2024Q2

us-gaap

Indefinite Lived Intangible Assets Excluding Goodwill

IndefiniteLivedIntangibleAssetsExcludingGoodwill

226000000

usd

CY2024Q2

us-gaap

Intangible Assets Gross Excluding Goodwill

IntangibleAssetsGrossExcludingGoodwill

634000000

usd

CY2024Q2

us-gaap

Finite Lived Intangible Assets Accumulated Amortization

FiniteLivedIntangibleAssetsAccumulatedAmortization

263000000

usd

CY2024Q2

us-gaap

Intangible Assets Net Excluding Goodwill

IntangibleAssetsNetExcludingGoodwill

371000000

usd

CY2023Q4

us-gaap

Finite Lived Intangible Assets Net

FiniteLivedIntangibleAssetsNet

51000000

usd

CY2023Q4

us-gaap

Indefinite Lived Intangible Assets Excluding Goodwill

IndefiniteLivedIntangibleAssetsExcludingGoodwill

226000000

usd

CY2023Q4

us-gaap

Indefinite Lived Intangible Assets Excluding Goodwill

IndefiniteLivedIntangibleAssetsExcludingGoodwill

226000000

usd

CY2023Q4

us-gaap

Intangible Assets Gross Excluding Goodwill

IntangibleAssetsGrossExcludingGoodwill

530000000

usd

CY2023Q4

us-gaap

Finite Lived Intangible Assets Accumulated Amortization

FiniteLivedIntangibleAssetsAccumulatedAmortization

253000000

usd

CY2023Q4

us-gaap

Intangible Assets Net Excluding Goodwill

IntangibleAssetsNetExcludingGoodwill

277000000

usd

CY2022Q4

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

132000000

usd

us-gaap

Reinsurance Recoverable Credit Loss Expense Reversal

ReinsuranceRecoverableCreditLossExpenseReversal

-11000000

usd

us-gaap

Reinsurance Loss On Uncollectible Accounts In Period Amount

ReinsuranceLossOnUncollectibleAccountsInPeriodAmount

0

usd

CY2024Q2

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8132000000

usd

CY2023Q2

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8121000000

usd

CY2023Q2

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

121000000

usd

CY2024Q1

trv

Contractholder Receivables

ContractholderReceivables

3266000000

usd

CY2024Q1

trv

Contractholder Receivables Allowance For Credit Loss

ContractholderReceivablesAllowanceForCreditLoss

19000000

usd

CY2023Q1

trv

Contractholder Receivables

ContractholderReceivables

3598000000

usd

CY2024Q2

trv

Contractholder Receivables Credit Loss Expense Reversal

ContractholderReceivablesCreditLossExpenseReversal

-1000000

usd

CY2024Q2

trv

Contractholder Receivables

ContractholderReceivables

3274000000

usd

CY2024Q2

trv

Contractholder Receivables Allowance For Credit Loss

ContractholderReceivablesAllowanceForCreditLoss

18000000

usd

CY2023Q2

trv

Contractholder Receivables

ContractholderReceivables

3449000000

usd

CY2023Q4

trv

Contractholder Receivables

ContractholderReceivables

3249000000

usd

CY2022Q4

trv

Contractholder Receivables

ContractholderReceivables

3579000000

usd

trv

Contractholder Receivables Credit Loss Expense Reversal

ContractholderReceivablesCreditLossExpenseReversal

3000000

usd

trv

Contractholder Receivables Loss On Uncollectible Accounts In Period

ContractholderReceivablesLossOnUncollectibleAccountsInPeriod

0

usd

CY2023Q2

trv

Contractholder Receivables

ContractholderReceivables

3449000000

usd

CY2023Q2

trv

Contractholder Receivables Allowance For Credit Loss

ContractholderReceivablesAllowanceForCreditLoss

20000000

usd

CY2023Q4

us-gaap

Goodwill

3976000000

usd

CY2024Q2

us-gaap

Finite Lived Intangible Assets Gross

FiniteLivedIntangibleAssetsGross

408000000

usd

CY2024Q2

us-gaap

Finite Lived Intangible Assets Accumulated Amortization

FiniteLivedIntangibleAssetsAccumulatedAmortization

263000000

usd

CY2024Q2

us-gaap

Finite Lived Intangible Assets Net

FiniteLivedIntangibleAssetsNet

145000000

usd

CY2024Q2

us-gaap

Indefinite Lived Intangible Assets Excluding Goodwill

IndefiniteLivedIntangibleAssetsExcludingGoodwill

226000000

usd

CY2024Q2

us-gaap

Intangible Assets Net Excluding Goodwill

IntangibleAssetsNetExcludingGoodwill

371000000

usd

CY2023Q4

us-gaap

Finite Lived Intangible Assets Gross

FiniteLivedIntangibleAssetsGross

304000000

usd

CY2023Q4

us-gaap

Finite Lived Intangible Assets Net

FiniteLivedIntangibleAssetsNet

51000000

usd

CY2023Q4

us-gaap

Indefinite Lived Intangible Assets Excluding Goodwill

IndefiniteLivedIntangibleAssetsExcludingGoodwill

226000000

usd

CY2023Q4

us-gaap

Indefinite Lived Intangible Assets Excluding Goodwill

IndefiniteLivedIntangibleAssetsExcludingGoodwill

226000000

usd

CY2023Q4

us-gaap

Intangible Assets Gross Excluding Goodwill

IntangibleAssetsGrossExcludingGoodwill

530000000

usd

CY2023Q4

us-gaap

Finite Lived Intangible Assets Accumulated Amortization

FiniteLivedIntangibleAssetsAccumulatedAmortization

253000000

usd

CY2023Q2

us-gaap

Reinsurance Recoverables On Paid And Unpaid Losses

ReinsuranceRecoverablesOnPaidAndUnpaidLosses

8121000000

usd

CY2023Q2

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

121000000

usd

CY2024Q1

trv

Contractholder Receivables

ContractholderReceivables

3266000000

usd

CY2024Q1

trv

Contractholder Receivables Allowance For Credit Loss

ContractholderReceivablesAllowanceForCreditLoss

19000000

usd

CY2023Q1

trv

Contractholder Receivables

ContractholderReceivables

3598000000

usd

CY2023Q1

trv

Contractholder Receivables Allowance For Credit Loss

ContractholderReceivablesAllowanceForCreditLoss

19000000

usd

CY2023Q2

trv

Contractholder Receivables Credit Loss Expense Reversal

ContractholderReceivablesCreditLossExpenseReversal

1000000

usd

CY2023Q2

trv

Contractholder Receivables Allowance For Credit Loss

ContractholderReceivablesAllowanceForCreditLoss

20000000

usd

CY2023Q4

trv

Contractholder Receivables

ContractholderReceivables

3249000000

usd

CY2022Q4

trv

Contractholder Receivables Allowance For Credit Loss

ContractholderReceivablesAllowanceForCreditLoss

17000000

usd

trv

Contractholder Receivables Credit Loss Expense Reversal

ContractholderReceivablesCreditLossExpenseReversal

3000000

usd

trv

Contractholder Receivables Loss On Uncollectible Accounts In Period

ContractholderReceivablesLossOnUncollectibleAccountsInPeriod

0

usd

CY2023Q2

trv

Contractholder Receivables Allowance For Credit Loss

ContractholderReceivablesAllowanceForCreditLoss

20000000

usd

CY2023Q4

us-gaap

Goodwill

3976000000

usd

CY2024Q2

us-gaap

Finite Lived Intangible Assets Gross

FiniteLivedIntangibleAssetsGross

408000000

usd

CY2024Q2

us-gaap

Finite Lived Intangible Assets Accumulated Amortization

FiniteLivedIntangibleAssetsAccumulatedAmortization

263000000

usd

CY2024Q2

us-gaap

Finite Lived Intangible Assets Net

FiniteLivedIntangibleAssetsNet

145000000

usd

CY2024Q2

us-gaap

Indefinite Lived Intangible Assets Excluding Goodwill

IndefiniteLivedIntangibleAssetsExcludingGoodwill

226000000

usd

CY2024Q2

us-gaap

Finite Lived Intangible Assets Accumulated Amortization

FiniteLivedIntangibleAssetsAccumulatedAmortization

263000000

usd

CY2023Q4

us-gaap

Finite Lived Intangible Assets Gross

FiniteLivedIntangibleAssetsGross

304000000

usd

CY2023Q4

us-gaap

Finite Lived Intangible Assets Accumulated Amortization

FiniteLivedIntangibleAssetsAccumulatedAmortization

253000000

usd

CY2023Q4

us-gaap

Indefinite Lived Intangible Assets Excluding Goodwill

IndefiniteLivedIntangibleAssetsExcludingGoodwill

226000000

usd

CY2023Q4

us-gaap

Indefinite Lived Intangible Assets Excluding Goodwill

IndefiniteLivedIntangibleAssetsExcludingGoodwill

226000000

usd

CY2023Q4

us-gaap

Intangible Assets Gross Excluding Goodwill

IntangibleAssetsGrossExcludingGoodwill

530000000

usd

CY2023Q4

us-gaap

Finite Lived Intangible Assets Accumulated Amortization

FiniteLivedIntangibleAssetsAccumulatedAmortization

253000000

usd

CY2023Q4

us-gaap

Liability For Claims And Claims Adjustment Expense

LiabilityForClaimsAndClaimsAdjustmentExpense

61627000000

usd

CY2024Q2

us-gaap

Treasury Stock Value Acquired Cost Method

TreasuryStockValueAcquiredCostMethod

250000000

usd

us-gaap

Treasury Stock Value Acquired Cost Method

TreasuryStockValueAcquiredCostMethod

500000000

usd

CY2024Q2

us-gaap

Treasury Stock Acquired Average Cost Per Share

TreasuryStockAcquiredAverageCostPerShare

211.22

us-gaap

Treasury Stock Acquired Average Cost Per Share

TreasuryStockAcquiredAverageCostPerShare

214.22

CY2024Q2

us-gaap

Shares Paid For Tax Withholding For Share Based Compensation

SharesPaidForTaxWithholdingForShareBasedCompensation

12170

shares

us-gaap

Shares Paid For Tax Withholding For Share Based Compensation

SharesPaidForTaxWithholdingForShareBasedCompensation

700000

shares

CY2024Q2

us-gaap

Adjustments Related To Tax Withholding For Share Based Compensation

AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

3000000

usd

us-gaap

Adjustments Related To Tax Withholding For Share Based Compensation

AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

141000000

usd

CY2024Q2

trv

Contractholder Receivables

ContractholderReceivables

3274000000

usd

CY2023Q2

trv

Contractholder Receivables

ContractholderReceivables

3449000000

usd

CY2023Q2

trv

Contractholder Receivables Allowance For Credit Loss

ContractholderReceivablesAllowanceForCreditLoss

20000000

usd

CY2023Q4

us-gaap

Goodwill

3976000000

usd

CY2024Q2

us-gaap

Finite Lived Intangible Assets Gross

FiniteLivedIntangibleAssetsGross

408000000

usd

CY2024Q2

us-gaap

Finite Lived Intangible Assets Accumulated Amortization

FiniteLivedIntangibleAssetsAccumulatedAmortization

263000000

usd

CY2024Q2

us-gaap

Indefinite Lived Intangible Assets Excluding Goodwill

IndefiniteLivedIntangibleAssetsExcludingGoodwill

226000000

usd

CY2024Q2

us-gaap

Indefinite Lived Intangible Assets Excluding Goodwill

IndefiniteLivedIntangibleAssetsExcludingGoodwill

226000000

usd

CY2024Q2

us-gaap

Intangible Assets Gross Excluding Goodwill

IntangibleAssetsGrossExcludingGoodwill

634000000

usd

CY2024Q2

us-gaap

Intangible Assets Net Excluding Goodwill

IntangibleAssetsNetExcludingGoodwill

371000000

usd

CY2023Q4

us-gaap

Finite Lived Intangible Assets Gross

FiniteLivedIntangibleAssetsGross

304000000

usd

CY2023Q4

us-gaap

Finite Lived Intangible Assets Accumulated Amortization

FiniteLivedIntangibleAssetsAccumulatedAmortization

253000000

usd

CY2023Q4

us-gaap

Finite Lived Intangible Assets Net

FiniteLivedIntangibleAssetsNet

51000000

usd

CY2023Q4

us-gaap

Indefinite Lived Intangible Assets Excluding Goodwill

IndefiniteLivedIntangibleAssetsExcludingGoodwill

226000000

usd

CY2023Q4

us-gaap

Indefinite Lived Intangible Assets Excluding Goodwill

IndefiniteLivedIntangibleAssetsExcludingGoodwill

226000000

usd

CY2023Q4

us-gaap

Intangible Assets Gross Excluding Goodwill

IntangibleAssetsGrossExcludingGoodwill

530000000

usd

CY2023Q4

us-gaap

Intangible Assets Net Excluding Goodwill

IntangibleAssetsNetExcludingGoodwill

277000000

usd

CY2024Q2

us-gaap

Liability For Claims And Claims Adjustment Expense

LiabilityForClaimsAndClaimsAdjustmentExpense

63857000000

usd

CY2023Q4

us-gaap

Liability For Claims And Claims Adjustment Expense

LiabilityForClaimsAndClaimsAdjustmentExpense

61627000000

usd

us-gaap

Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense

ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense

<div style="margin-bottom:6pt">The following table presents a reconciliation of beginning and ending property casualty reserve balances for claims and claim adjustment expenses:</div><div style="margin-bottom:10pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:72.291%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.619%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.622%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom">Six Months Ended June 30,</td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom">(in millions)</td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom">2024</td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom">2023</td></tr><tr><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top">Claims and claim adjustment expense reserves at beginning of year</td><td colspan="3" style="padding:0 1pt"></td><td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom">$</td><td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom">61,621 </td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom">$</td><td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom">58,643 </td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top">Less reinsurance recoverables on unpaid losses</td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">7,817 </td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">7,790 </td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top">Net reserves at beginning of year</td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">53,804 </td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">50,853 </td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top">Estimated claims and claim adjustment expenses for claims arising in the current year</td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">14,213 </td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">13,260 </td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:9pt;text-indent:-9pt">Estimated decrease in claims and claim adjustment expenses for</div><div style="padding-left:13.5pt;text-indent:-9pt"> claims arising in prior years</div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">(232)</td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">(118)</td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top">Total increases</td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">13,981 </td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">13,142 </td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top">Claims and claim adjustment expense payments for claims arising in:</td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"> </td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"> </td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top">Current year</td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">3,953 </td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">3,898 </td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top">Prior years</td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">7,750 </td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">7,466 </td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top">Total payments</td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">11,703 </td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">11,364 </td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top">Unrealized foreign exchange (gain) loss</td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">(75)</td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">104 </td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top">Net reserves at end of period</td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">56,007 </td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">52,735 </td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top">Plus reinsurance recoverables on unpaid losses</td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">7,845 </td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">7,829 </td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top">Claims and claim adjustment expense reserves at end of period</td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom">$</td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom">63,852 </td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom">$</td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom">60,564 </td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div>

CY2024Q2

us-gaap

Treasury Stock Shares Acquired

TreasuryStockSharesAcquired

1100000

shares

us-gaap

Treasury Stock Shares Acquired

TreasuryStockSharesAcquired

2300000

shares

CY2024Q2

us-gaap

Treasury Stock Value Acquired Cost Method

TreasuryStockValueAcquiredCostMethod

250000000

usd

us-gaap

Treasury Stock Value Acquired Cost Method

TreasuryStockValueAcquiredCostMethod

500000000

usd

CY2024Q2

us-gaap

Treasury Stock Acquired Average Cost Per Share

TreasuryStockAcquiredAverageCostPerShare

211.22

CY2023Q4

us-gaap

Goodwill

3976000000

usd

CY2024Q2

us-gaap

Finite Lived Intangible Assets Gross

FiniteLivedIntangibleAssetsGross

408000000

usd

CY2024Q2

us-gaap

Indefinite Lived Intangible Assets Excluding Goodwill

IndefiniteLivedIntangibleAssetsExcludingGoodwill

226000000

usd

CY2024Q2

us-gaap

Indefinite Lived Intangible Assets Excluding Goodwill

IndefiniteLivedIntangibleAssetsExcludingGoodwill

226000000

usd

CY2024Q2

us-gaap

Intangible Assets Gross Excluding Goodwill

IntangibleAssetsGrossExcludingGoodwill

634000000

usd

CY2023Q4

us-gaap

Finite Lived Intangible Assets Net

FiniteLivedIntangibleAssetsNet

51000000

usd

CY2023Q4

us-gaap

Indefinite Lived Intangible Assets Excluding Goodwill

IndefiniteLivedIntangibleAssetsExcludingGoodwill

226000000

usd

CY2023Q4

us-gaap

Indefinite Lived Intangible Assets Excluding Goodwill

IndefiniteLivedIntangibleAssetsExcludingGoodwill

226000000

usd

CY2023Q4

us-gaap

Intangible Assets Gross Excluding Goodwill

IntangibleAssetsGrossExcludingGoodwill

530000000

usd

CY2024Q2

us-gaap

Treasury Stock Shares Acquired

TreasuryStockSharesAcquired

1100000

shares

us-gaap

Treasury Stock Shares Acquired

TreasuryStockSharesAcquired

2300000

shares

CY2024Q2

us-gaap

Treasury Stock Value Acquired Cost Method

TreasuryStockValueAcquiredCostMethod

250000000

usd

us-gaap

Treasury Stock Value Acquired Cost Method

TreasuryStockValueAcquiredCostMethod

500000000

usd

CY2024Q2

us-gaap

Treasury Stock Acquired Average Cost Per Share

TreasuryStockAcquiredAverageCostPerShare

211.22

us-gaap

Treasury Stock Acquired Average Cost Per Share

TreasuryStockAcquiredAverageCostPerShare

214.22

CY2024Q2

us-gaap

Shares Paid For Tax Withholding For Share Based Compensation

SharesPaidForTaxWithholdingForShareBasedCompensation

12170

shares

us-gaap

Shares Paid For Tax Withholding For Share Based Compensation

SharesPaidForTaxWithholdingForShareBasedCompensation

700000

shares

CY2024Q2

us-gaap

Adjustments Related To Tax Withholding For Share Based Compensation

AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

3000000

usd

CY2024Q2

us-gaap

Stock Repurchase Program Remaining Authorized Repurchase Amount1

StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

5540000000

usd

CY2024Q2

us-gaap

Net Income Loss

NetIncomeLoss

534000000

usd

CY2023Q2

us-gaap

Net Income Loss

NetIncomeLoss

-14000000

usd

us-gaap

Net Income Loss

NetIncomeLoss

1657000000

usd

CY2024Q2

us-gaap

Liability For Claims And Claims Adjustment Expense

LiabilityForClaimsAndClaimsAdjustmentExpense

63857000000

usd

CY2023Q4

us-gaap

Liability For Claims And Claims Adjustment Expense

LiabilityForClaimsAndClaimsAdjustmentExpense

61627000000

usd

CY2024Q2

us-gaap

Treasury Stock Shares Acquired

TreasuryStockSharesAcquired

1100000

shares

us-gaap

Treasury Stock Shares Acquired

TreasuryStockSharesAcquired

2300000

shares

CY2024Q2

us-gaap

Treasury Stock Value Acquired Cost Method

TreasuryStockValueAcquiredCostMethod

250000000

usd

CY2024Q2

us-gaap

Treasury Stock Acquired Average Cost Per Share

TreasuryStockAcquiredAverageCostPerShare

211.22

us-gaap

Treasury Stock Acquired Average Cost Per Share

TreasuryStockAcquiredAverageCostPerShare

214.22

CY2024Q2

us-gaap

Shares Paid For Tax Withholding For Share Based Compensation

SharesPaidForTaxWithholdingForShareBasedCompensation

12170

shares

us-gaap

Shares Paid For Tax Withholding For Share Based Compensation

SharesPaidForTaxWithholdingForShareBasedCompensation

700000

shares

CY2024Q2

us-gaap

Adjustments Related To Tax Withholding For Share Based Compensation

AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

3000000

usd

us-gaap

Adjustments Related To Tax Withholding For Share Based Compensation

AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

141000000

usd

CY2024Q2

us-gaap

Stock Repurchase Program Remaining Authorized Repurchase Amount1

StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

5540000000

usd

us-gaap

Net Income Loss

NetIncomeLoss

1657000000

usd

us-gaap

Net Income Loss

NetIncomeLoss

961000000

usd

us-gaap

Undistributed Earnings Loss Allocated To Participating Securities Basic

UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

7000000

usd

CY2024Q2

us-gaap

Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

529000000

usd

us-gaap

Net Income Loss Available To Common Stockholders Diluted

NetIncomeLossAvailableToCommonStockholdersDiluted

1644000000

usd

CY2023Q2

us-gaap

Weighted Average Number Of Shares Outstanding Basic

WeightedAverageNumberOfSharesOutstandingBasic

229700000

shares

us-gaap

Weighted Average Number Of Shares Outstanding Basic

WeightedAverageNumberOfSharesOutstandingBasic

228800000

shares

CY2023Q2

us-gaap

Weighted Average Number Of Shares Outstanding Basic

WeightedAverageNumberOfSharesOutstandingBasic

229700000

shares

CY2024Q2

us-gaap

Liability For Claims And Claims Adjustment Expense

LiabilityForClaimsAndClaimsAdjustmentExpense

63857000000

usd

us-gaap

Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense

ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense

<div style="margin-bottom:6pt">The following table presents a reconciliation of beginning and ending property casualty reserve balances for claims and claim adjustment expenses:</div><div style="margin-bottom:10pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:72.291%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.619%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.622%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom">Six Months Ended June 30,</td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom">(in millions)</td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom">2024</td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom">2023</td></tr><tr><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top">Claims and claim adjustment expense reserves at beginning of year</td><td colspan="3" style="padding:0 1pt"></td><td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom">$</td><td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom">61,621 </td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom">$</td><td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom">58,643 </td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top">Less reinsurance recoverables on unpaid losses</td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">7,817 </td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">7,790 </td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top">Net reserves at beginning of year</td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">53,804 </td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">50,853 </td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top">Estimated claims and claim adjustment expenses for claims arising in the current year</td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">14,213 </td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">13,260 </td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:9pt;text-indent:-9pt">Estimated decrease in claims and claim adjustment expenses for</div><div style="padding-left:13.5pt;text-indent:-9pt"> claims arising in prior years</div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">(232)</td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">(118)</td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top">Total increases</td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">13,981 </td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">13,142 </td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top">Claims and claim adjustment expense payments for claims arising in:</td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"> </td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"> </td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top">Current year</td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">3,953 </td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">3,898 </td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top">Prior years</td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">7,750 </td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">7,466 </td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top">Total payments</td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">11,703 </td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">11,364 </td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top">Unrealized foreign exchange (gain) loss</td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">(75)</td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">104 </td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top">Net reserves at end of period</td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">56,007 </td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">52,735 </td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top">Plus reinsurance recoverables on unpaid losses</td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">7,845 </td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom">7,829 </td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top">Claims and claim adjustment expense reserves at end of period</td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom">$</td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom">63,852 </td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom">$</td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom">60,564 </td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div>

CY2024Q2

us-gaap

Treasury Stock Shares Acquired

TreasuryStockSharesAcquired

1100000

shares

us-gaap

Treasury Stock Shares Acquired

TreasuryStockSharesAcquired

2300000

shares

CY2024Q2

us-gaap

Treasury Stock Value Acquired Cost Method

TreasuryStockValueAcquiredCostMethod

250000000

usd

us-gaap

Treasury Stock Value Acquired Cost Method

TreasuryStockValueAcquiredCostMethod

500000000

usd

CY2024Q2

us-gaap

Treasury Stock Acquired Average Cost Per Share

TreasuryStockAcquiredAverageCostPerShare

211.22

us-gaap

Treasury Stock Acquired Average Cost Per Share

TreasuryStockAcquiredAverageCostPerShare

214.22

CY2024Q2

us-gaap

Shares Paid For Tax Withholding For Share Based Compensation

SharesPaidForTaxWithholdingForShareBasedCompensation

12170

shares

us-gaap

Shares Paid For Tax Withholding For Share Based Compensation

SharesPaidForTaxWithholdingForShareBasedCompensation

700000

shares

CY2024Q2

us-gaap

Adjustments Related To Tax Withholding For Share Based Compensation

AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

3000000

usd

CY2024Q2

us-gaap

Stock Repurchase Program Remaining Authorized Repurchase Amount1

StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

5540000000

usd

us-gaap

Net Income Loss

NetIncomeLoss

961000000

usd

us-gaap

Undistributed Earnings Loss Allocated To Participating Securities Basic

UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

13000000

usd

us-gaap

Net Income Loss Available To Common Stockholders Diluted

NetIncomeLossAvailableToCommonStockholdersDiluted

1644000000

usd

CY2024Q2

us-gaap

Weighted Average Number Of Shares Outstanding Basic

WeightedAverageNumberOfSharesOutstandingBasic

228600000

shares

us-gaap

Treasury Stock Acquired Average Cost Per Share

TreasuryStockAcquiredAverageCostPerShare

214.22

CY2024Q2

us-gaap

Shares Paid For Tax Withholding For Share Based Compensation

SharesPaidForTaxWithholdingForShareBasedCompensation

12170

shares

us-gaap

Shares Paid For Tax Withholding For Share Based Compensation

SharesPaidForTaxWithholdingForShareBasedCompensation

700000

shares

CY2024Q2

us-gaap

Adjustments Related To Tax Withholding For Share Based Compensation

AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

3000000

usd

us-gaap

Adjustments Related To Tax Withholding For Share Based Compensation

AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

141000000

usd

CY2024Q2

us-gaap

Stock Repurchase Program Remaining Authorized Repurchase Amount1

StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

5540000000

usd

us-gaap

Net Income Loss

NetIncomeLoss

1657000000

usd

us-gaap

Net Income Loss

NetIncomeLoss

961000000

usd

CY2024Q2

us-gaap

Undistributed Earnings Loss Allocated To Participating Securities Basic

UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

5000000

usd

us-gaap

Undistributed Earnings Loss Allocated To Participating Securities Basic

UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

13000000

usd

us-gaap

Undistributed Earnings Loss Allocated To Participating Securities Basic

UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

7000000

usd

CY2024Q2

us-gaap

Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

529000000

usd

CY2023Q2

us-gaap

Net Income Loss Available To Common Stockholders Diluted

NetIncomeLossAvailableToCommonStockholdersDiluted

-15000000

usd

us-gaap

Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

1644000000

usd

us-gaap

Net Income Loss Available To Common Stockholders Diluted

NetIncomeLossAvailableToCommonStockholdersDiluted

1644000000

usd

us-gaap

Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

954000000

usd

us-gaap

Net Income Loss Available To Common Stockholders Diluted

NetIncomeLossAvailableToCommonStockholdersDiluted

954000000

usd

CY2023Q2

us-gaap

Weighted Average Number Of Shares Outstanding Basic

WeightedAverageNumberOfSharesOutstandingBasic

229700000

shares

CY2024Q2

us-gaap

Incremental Common Shares Attributable To Share Based Payment Arrangements

IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

2900000

shares

CY2023Q2

us-gaap

Incremental Common Shares Attributable To Share Based Payment Arrangements

IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

0

shares

us-gaap

Incremental Common Shares Attributable To Share Based Payment Arrangements

IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

3000000.0

shares

us-gaap

Incremental Common Shares Attributable To Share Based Payment Arrangements

IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

2700000

shares

us-gaap

Weighted Average Number Of Diluted Shares Outstanding

WeightedAverageNumberOfDilutedSharesOutstanding

233300000

shares

CY2023Q2

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

-0.07

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

7.19

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

4.14

CY2023Q2

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

-0.07

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

7.09

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

4.09

CY2023Q2

trv

Anitdilutive Undistributed Loss Allocated To Participating Securities Excluded From Computation Of Eps

AnitdilutiveUndistributedLossAllocatedToParticipatingSecuritiesExcludedFromComputationOfEPS

2000000

usd

CY2023Q2

us-gaap

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

2500000

shares

us-gaap

Net Income Loss

NetIncomeLoss

961000000

usd

CY2023Q2

us-gaap

Undistributed Earnings Loss Allocated To Participating Securities Basic

UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

1000000

usd

us-gaap

Undistributed Earnings Loss Allocated To Participating Securities Basic

UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

13000000

usd

us-gaap

Net Income Loss Available To Common Stockholders Diluted

NetIncomeLossAvailableToCommonStockholdersDiluted

1644000000

usd

us-gaap

Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

954000000

usd

us-gaap

Net Income Loss Available To Common Stockholders Diluted

NetIncomeLossAvailableToCommonStockholdersDiluted

954000000

usd

CY2023Q2

us-gaap

Weighted Average Number Of Shares Outstanding Basic

WeightedAverageNumberOfSharesOutstandingBasic

229700000

shares

us-gaap

Weighted Average Number Of Shares Outstanding Basic

WeightedAverageNumberOfSharesOutstandingBasic

228800000

shares

us-gaap

Weighted Average Number Of Shares Outstanding Basic

WeightedAverageNumberOfSharesOutstandingBasic

230600000

shares

CY2023Q2

us-gaap

Incremental Common Shares Attributable To Share Based Payment Arrangements

IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

0

shares

us-gaap

Incremental Common Shares Attributable To Share Based Payment Arrangements

IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

3000000.0

shares

CY2024Q2

us-gaap

Weighted Average Number Of Diluted Shares Outstanding

WeightedAverageNumberOfDilutedSharesOutstanding

231500000

shares

CY2023Q2

trv

Operating Lease And Short Term Lease Cost

OperatingLeaseAndShortTermLeaseCost

19000000

usd

CY2023Q2

us-gaap

Weighted Average Number Of Diluted Shares Outstanding

WeightedAverageNumberOfDilutedSharesOutstanding

229700000

shares

us-gaap

Weighted Average Number Of Diluted Shares Outstanding

WeightedAverageNumberOfDilutedSharesOutstanding

231800000

shares

us-gaap

Weighted Average Number Of Diluted Shares Outstanding

WeightedAverageNumberOfDilutedSharesOutstanding

233300000

shares

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

4.09

CY2023Q2

trv

Anitdilutive Undistributed Loss Allocated To Participating Securities Excluded From Computation Of Eps

AnitdilutiveUndistributedLossAllocatedToParticipatingSecuritiesExcludedFromComputationOfEPS

2000000

usd

CY2024Q2

trv

Share Based Compensation Arrangement By Share Based Payment Award Options Vested Outstanding Number

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingNumber

6751500

shares

CY2024Q2

trv

Share Based Compensation Arrangement By Share Based Payment Award Options Vested Outstanding Weighted Average Exercise Price

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingWeightedAverageExercisePrice

147.09

trv

Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Outstanding Weighted Average Remaining Contractual Term1

SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedOutstandingWeightedAverageRemainingContractualTerm1

P5Y8M12D

CY2024Q2

trv

Share Based Compensation Arrangement By Share Based Payment Award Options Vested Outstanding Aggregate Intrinsic Value

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingAggregateIntrinsicValue

385000000

usd

CY2024Q2

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

133.44

us-gaap

Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1

SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1

P4Y9M18D

CY2024Q2

us-gaap

Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1

SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

357000000

usd

CY2024Q2

us-gaap

Allocated Share Based Compensation Expense

AllocatedShareBasedCompensationExpense

60000000

usd

CY2023Q2

us-gaap

Allocated Share Based Compensation Expense

AllocatedShareBasedCompensationExpense

47000000

usd

us-gaap

Allocated Share Based Compensation Expense

AllocatedShareBasedCompensationExpense

139000000

usd

us-gaap

Allocated Share Based Compensation Expense

AllocatedShareBasedCompensationExpense

116000000

usd

CY2024Q2

us-gaap

Employee Service Share Based Compensation Tax Benefit From Compensation Expense

EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

10000000

usd

CY2023Q2

us-gaap

Employee Service Share Based Compensation Tax Benefit From Compensation Expense

EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

8000000

usd

us-gaap

Employee Service Share Based Compensation Tax Benefit From Compensation Expense

EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

19000000

usd

us-gaap

Operating Lease Cost

OperatingLeaseCost

38000000

usd

us-gaap

Operating Lease Cost

OperatingLeaseCost

38000000

usd

CY2024Q2

us-gaap

Short Term Lease Cost

ShortTermLeaseCost

0

usd

CY2023Q2

us-gaap

Short Term Lease Cost

ShortTermLeaseCost

0

usd

us-gaap

Short Term Lease Cost

ShortTermLeaseCost

1000000

usd

us-gaap

Short Term Lease Cost

ShortTermLeaseCost

1000000

usd

CY2024Q2

trv

Operating Lease And Short Term Lease Cost

OperatingLeaseAndShortTermLeaseCost

19000000

usd

trv

Operating Lease And Short Term Lease Cost

OperatingLeaseAndShortTermLeaseCost

39000000

usd

trv

Operating Lease And Short Term Lease Cost

OperatingLeaseAndShortTermLeaseCost

39000000

usd

CY2023Q2

us-gaap

Sublease Income

SubleaseIncome

0

usd

us-gaap

Sublease Income

SubleaseIncome

0

usd

CY2024Q2

us-gaap

Net Income Loss Available To Common Stockholders Diluted

NetIncomeLossAvailableToCommonStockholdersDiluted

529000000

usd

CY2024Q2

us-gaap

Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

529000000

usd

CY2023Q2

us-gaap

Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

-15000000

usd

us-gaap

Net Income Loss Available To Common Stockholders Diluted

NetIncomeLossAvailableToCommonStockholdersDiluted

1644000000

usd

CY2024Q2

us-gaap

Weighted Average Number Of Shares Outstanding Basic

WeightedAverageNumberOfSharesOutstandingBasic

228600000

shares

CY2023Q2

trv

Operating Lease And Short Term Lease Cost

OperatingLeaseAndShortTermLeaseCost

19000000

usd

CY2023Q2

us-gaap

Weighted Average Number Of Shares Outstanding Basic

WeightedAverageNumberOfSharesOutstandingBasic

229700000

shares

us-gaap

Weighted Average Number Of Shares Outstanding Basic

WeightedAverageNumberOfSharesOutstandingBasic

228800000

shares

us-gaap

Weighted Average Number Of Shares Outstanding Basic

WeightedAverageNumberOfSharesOutstandingBasic

230600000

shares

CY2023Q2

us-gaap

Incremental Common Shares Attributable To Share Based Payment Arrangements

IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

0

shares

us-gaap

Incremental Common Shares Attributable To Share Based Payment Arrangements

IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

3000000.0

shares

CY2023Q2

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

-0.07

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

7.19

CY2023Q2

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

-0.07

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

7.09

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

4.09

CY2023Q2

trv

Anitdilutive Undistributed Loss Allocated To Participating Securities Excluded From Computation Of Eps

AnitdilutiveUndistributedLossAllocatedToParticipatingSecuritiesExcludedFromComputationOfEPS

2000000

usd

CY2023Q2

us-gaap

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

2500000

shares

CY2024Q2

trv

Share Based Compensation Arrangement By Share Based Payment Award Options Vested Outstanding Number

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingNumber

6751500

shares

CY2024Q2

trv

Share Based Compensation Arrangement By Share Based Payment Award Options Vested Outstanding Weighted Average Exercise Price

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingWeightedAverageExercisePrice

147.09

trv

Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Outstanding Weighted Average Remaining Contractual Term1

SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedOutstandingWeightedAverageRemainingContractualTerm1

P5Y8M12D

CY2024Q2

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

5098310

shares

CY2024Q2

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

133.44

us-gaap

Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1

SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1

P4Y9M18D

CY2024Q2

us-gaap

Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1

SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

357000000

usd

CY2024Q2

us-gaap

Allocated Share Based Compensation Expense

AllocatedShareBasedCompensationExpense

60000000

usd

us-gaap

Allocated Share Based Compensation Expense

AllocatedShareBasedCompensationExpense

139000000

usd

us-gaap

Allocated Share Based Compensation Expense

AllocatedShareBasedCompensationExpense

116000000

usd

CY2023Q2

us-gaap

Employee Service Share Based Compensation Tax Benefit From Compensation Expense

EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

8000000

usd

us-gaap

Employee Service Share Based Compensation Tax Benefit From Compensation Expense

EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

22000000

usd

us-gaap

Employee Service Share Based Compensation Tax Benefit From Compensation Expense

EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

19000000

usd

us-gaap

Operating Lease Cost

OperatingLeaseCost

38000000

usd

us-gaap

Operating Lease Cost

OperatingLeaseCost

38000000

usd

CY2024Q2

us-gaap

Short Term Lease Cost

ShortTermLeaseCost

0

usd

CY2023Q2

us-gaap

Short Term Lease Cost

ShortTermLeaseCost

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us-gaap

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us-gaap

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ShortTermLeaseCost

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trv

Operating Lease And Short Term Lease Cost

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trv

Operating Lease And Short Term Lease Cost

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CY2023Q2

us-gaap

Sublease Income

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us-gaap

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us-gaap

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shares

us-gaap

Weighted Average Number Of Shares Outstanding Basic

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shares

us-gaap

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CY2023Q2

us-gaap

Incremental Common Shares Attributable To Share Based Payment Arrangements

IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

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shares

us-gaap

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us-gaap

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shares

us-gaap

Weighted Average Number Of Diluted Shares Outstanding

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CY2024Q2

us-gaap

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us-gaap

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CY2024Q2

us-gaap

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CY2023Q2

us-gaap

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us-gaap

Earnings Per Share Diluted

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us-gaap

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us-gaap

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CY2024Q2

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CY2024Q2

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P5Y8M12D

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CY2024Q2

us-gaap

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us-gaap

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SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1

P4Y9M18D

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us-gaap

Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1

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CY2024Q2

us-gaap

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usd

us-gaap

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us-gaap

Incremental Common Shares Attributable To Share Based Payment Arrangements

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us-gaap

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shares

us-gaap

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us-gaap

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us-gaap

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CY2023Q2

us-gaap

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us-gaap

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CY2023Q2

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Anitdilutive Undistributed Loss Allocated To Participating Securities Excluded From Computation Of Eps

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CY2023Q2

us-gaap

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

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shares

CY2024Q2

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Share Based Compensation Arrangement By Share Based Payment Award Options Vested Outstanding Number

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingNumber

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shares

CY2024Q2

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Share Based Compensation Arrangement By Share Based Payment Award Options Vested Outstanding Weighted Average Exercise Price

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Share Based Compensation Arrangement By Share Based Payment Award Options Vested Outstanding Aggregate Intrinsic Value

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385000000

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us-gaap

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CY2024Q2

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price

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us-gaap

Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1

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P4Y9M18D

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us-gaap

Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1

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CY2024Q2

us-gaap

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AllocatedShareBasedCompensationExpense

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CY2023Q2

us-gaap

Allocated Share Based Compensation Expense

AllocatedShareBasedCompensationExpense

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us-gaap

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usd

us-gaap

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CY2024Q2

us-gaap

Employee Service Share Based Compensation Tax Benefit From Compensation Expense

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CY2023Q2

us-gaap

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us-gaap

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CY2024Q2

us-gaap

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CY2023Q2

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usd

us-gaap

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CY2024Q2

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shares

CY2024Q2

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385000000

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us-gaap

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CY2024Q2

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price

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us-gaap

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us-gaap

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CY2024Q2

us-gaap

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us-gaap

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us-gaap

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CY2024Q2

us-gaap

Employee Service Share Based Compensation Tax Benefit From Compensation Expense

EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

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CY2023Q2

us-gaap

Employee Service Share Based Compensation Tax Benefit From Compensation Expense

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us-gaap

Employee Service Share Based Compensation Tax Benefit From Compensation Expense

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us-gaap

Employee Service Share Based Compensation Tax Benefit From Compensation Expense

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CY2024Q2

us-gaap

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us-gaap

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us-gaap

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us-gaap

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CY2023Q2

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Short Term Lease Cost

ShortTermLeaseCost

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us-gaap

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us-gaap

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CY2023Q2

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OperatingLeaseAndShortTermLeaseCost

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CY2023Q2

us-gaap

Sublease Income

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usd

us-gaap

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usd

CY2024Q2

us-gaap

Employee Service Share Based Compensation Tax Benefit From Compensation Expense

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usd

CY2023Q2

us-gaap

Employee Service Share Based Compensation Tax Benefit From Compensation Expense

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usd

us-gaap

Employee Service Share Based Compensation Tax Benefit From Compensation Expense

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us-gaap

Employee Service Share Based Compensation Tax Benefit From Compensation Expense

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usd

CY2024Q2

us-gaap

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usd

us-gaap

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us-gaap

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CY2023Q2

us-gaap

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us-gaap

Operating Lease Cost

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CY2024Q2

us-gaap

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CY2023Q2

us-gaap

Short Term Lease Cost

ShortTermLeaseCost

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usd

us-gaap

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us-gaap

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CY2023Q2

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OperatingLeaseAndShortTermLeaseCost

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CY2023Q2

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Sublease Income

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us-gaap

Sublease Income

SubleaseIncome

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usd

us-gaap

Sublease Income

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CY2024Q2

us-gaap

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CY2023Q2

us-gaap

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us-gaap

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CY2024Q2

us-gaap

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us-gaap

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CY2024Q2

us-gaap

Right Of Use Asset Obtained In Exchange For Operating Lease Liability

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CY2023Q2

us-gaap

Right Of Use Asset Obtained In Exchange For Operating Lease Liability

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us-gaap

Right Of Use Asset Obtained In Exchange For Operating Lease Liability

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us-gaap

Right Of Use Asset Obtained In Exchange For Operating Lease Liability

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CY2024Q2

us-gaap

Operating Lease Weighted Average Discount Rate Percent

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CY2024Q2

us-gaap

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CY2023Q2

us-gaap

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us-gaap

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Operating Lease Weighted Average Remaining Lease Term1

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UnfundedCommitmentsToPrivateEquityLimitedPartnershipsRealEstatePartnershipsAndOther

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CY2023Q4

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Unfunded Commitments To Private Equity Limited Partnerships Real Estate Partnerships And Other

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us-gaap

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us-gaap

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CY2023Q2

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CY2023Q2

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Sublease Income

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us-gaap

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us-gaap

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us-gaap

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us-gaap

Right Of Use Asset Obtained In Exchange For Operating Lease Liability

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CY2024Q2

us-gaap

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us-gaap

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us-gaap

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CY2024Q2

us-gaap

Right Of Use Asset Obtained In Exchange For Operating Lease Liability

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4000000

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CY2023Q2

us-gaap

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usd

us-gaap

Right Of Use Asset Obtained In Exchange For Operating Lease Liability

RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

14000000

usd

us-gaap

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13000000

usd

CY2024Q2

us-gaap

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OperatingLeaseWeightedAverageDiscountRatePercent

0.0308

CY2023Q2

us-gaap

Operating Lease Weighted Average Discount Rate Percent

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CY2024Q2

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CY2023Q2

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CY2023Q2

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CY2024Q2

trv

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UnfundedCommitmentsToPrivateEquityLimitedPartnershipsRealEstatePartnershipsAndOther

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CY2023Q4

trv

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39000000

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us-gaap

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us-gaap

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CY2023Q2

us-gaap

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CY2024Q2

us-gaap

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CY2023Q2

us-gaap

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us-gaap

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CY2023Q2

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P4Y1M6D

CY2023Q2

us-gaap

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P4Y3M18D

CY2024Q2

trv

Unfunded Commitments To Private Equity Limited Partnerships Real Estate Partnerships And Other

UnfundedCommitmentsToPrivateEquityLimitedPartnershipsRealEstatePartnershipsAndOther

1550000000

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CY2023Q4

trv

Unfunded Commitments To Private Equity Limited Partnerships Real Estate Partnerships And Other

UnfundedCommitmentsToPrivateEquityLimitedPartnershipsRealEstatePartnershipsAndOther

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$TRV
TRAVELERS COMPANIES, INC. Stock $trv

2024 Q3 Form 10-Q Financial Statement

#000008631224000051 Filed on July 19, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TRV TRAVELERS COMPANIES, INC. Stock $trv

2024 Q3 Form 10-Q Financial Statement

#000008631224000051 Filed on July 19, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TRV
TRAVELERS COMPANIES, INC. Stock $trv