$AGO
ASSURED GUARANTY LTD Stock $ago

$ago Overview Financials Valuation SEC Filings Company Website

2024 Q2 Form 10-Q Financial Statement

#000127381324000031 Filed on May 08, 2024

Income Statement

Concept	2024 Q2	2024 Q1
Revenue	$202.0M	$245.0M
YoY Change	-43.89%	-13.43%
Cost Of Revenue	-$2.000M	-$1.000M
YoY Change	-103.64%	-125.0%
Gross Profit	$204.0M	$246.0M
YoY Change	-33.11%	-11.83%
Gross Profit Margin	100.99%	100.41%
Selling, General & Admin	$48.00M	$58.00M
YoY Change	-31.43%	-29.27%
% of Gross Profit	23.53%	23.58%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$3.000M	$6.000M
YoY Change	0.0%	100.0%
% of Gross Profit	1.47%	2.44%
Operating Expenses	$90.00M	$102.0M
YoY Change	-47.67%	-13.56%
Operating Profit	$114.0M	$144.0M
YoY Change	-14.29%	-10.56%
Interest Expense	$13.00M	$23.00M
YoY Change	-40.91%	9.52%
% of Operating Profit	11.4%	15.97%
Other Income/Expense, Net
YoY Change
Pretax Income	$94.00M	$144.0M
YoY Change	-34.72%	20.0%
Income Tax	$13.00M	$31.00M
% Of Pretax Income	13.83%	21.53%
Net Earnings	$78.00M	$109.0M
YoY Change	-37.6%	34.57%
Net Earnings / Revenue	38.61%	44.49%
Basic Earnings Per Share	$1.43	$1.94
Diluted Earnings Per Share	$1.41	$1.89
COMMON SHARES
Basic Shares Outstanding	54.44M shares	55.46M shares
Diluted Shares Outstanding	55.00M shares	57.10M shares

Balance Sheet

Concept	2024 Q2	2024 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$109.0M	$137.0M
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
YoY Change
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$9.204B	$9.264B
YoY Change	-32.71%	-32.38%
Other Assets	$28.00M	$100.0M
YoY Change	-87.39%	-55.95%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$12.09B	$12.17B
YoY Change	-28.27%	-27.48%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities
YoY Change
LONG-TERM LIABILITIES
Long-Term Debt	$1.696B	$1.695B
YoY Change	1.13%	1.13%
Other Long-Term Liabilities	$841.0M	$872.0M
YoY Change	-85.3%	-84.87%
Total Long-Term Liabilities	$2.537B	$2.567B
YoY Change	-65.72%	-65.5%
TOTAL LIABILITIES
Total Short-Term Liabilities
Total Long-Term Liabilities	$2.537B	$2.567B
Total Liabilities	$6.493B	$6.486B
YoY Change	-43.03%	-42.92%
SHAREHOLDERS EQUITY
Retained Earnings	$5.929B	$6.014B
YoY Change	3.44%	6.67%
Common Stock	$1.000M	$1.000M
YoY Change	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$5.539B	$5.629B
YoY Change
Total Liabilities & Shareholders Equity	$12.09B	$12.17B
YoY Change	-28.27%	-27.48%

Cashflow Statement

Concept	2024 Q2	2024 Q1
OPERATING ACTIVITIES
Net Income	$78.00M	$109.0M
YoY Change	-37.6%	34.57%
Depreciation, Depletion And Amortization	$3.000M	$6.000M
YoY Change	0.0%	100.0%
Cash From Operating Activities	-$16.00M	-$74.00M
YoY Change	-112.9%	-123.72%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities	$340.0M	$1.000M
YoY Change	-1100.0%	0.0%
Cash From Investing Activities	$340.0M	$253.0M
YoY Change	-1100.0%	-369.15%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-500.0M	-$327.0M
YoY Change	1251.35%	10.47%
NET CHANGE
Cash From Operating Activities	-16.00M	-$74.00M
Cash From Investing Activities	340.0M	$253.0M
Cash From Financing Activities	-500.0M	-$327.0M
Net Change In Cash	-176.0M	-$149.0M
YoY Change	-432.08%	93.51%
FREE CASH FLOW
Cash From Operating Activities	-$16.00M	-$74.00M
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2024Q1	us-gaap	Net Investment Income NetInvestmentIncome	84000000	usd
CY2023Q1	us-gaap	Net Investment Income NetInvestmentIncome	81000000	usd
CY2024Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	0	usd
CY2023Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	26000000	usd
CY2024Q1	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	8000000	usd
CY2023Q1	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-2000000	usd
CY2024Q1	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	10000000	usd
CY2023Q1	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	15000000	usd
CY2024Q1	ago	Fair Value Gain Loss On Committed Capital Securities FairValueGainLossOnCommittedCapitalSecurities	-10000000	usd
CY2023Q1	ago	Fair Value Gain Loss On Committed Capital Securities FairValueGainLossOnCommittedCapitalSecurities	-16000000	usd
CY2024Q1	ago	Variable Interest Entity Changein Fair Value VariableInterestEntityChangeinFairValue	-3000000	usd
CY2023Q1	ago	Variable Interest Entity Changein Fair Value VariableInterestEntityChangeinFairValue	-5000000	usd
CY2024Q1	ago	Fair Value Gain Loss On Consolidated Investment Vehicles FairValueGainLossOnConsolidatedInvestmentVehicles	22000000	usd
CY2023Q1	ago	Fair Value Gain Loss On Consolidated Investment Vehicles FairValueGainLossOnConsolidatedInvestmentVehicles	58000000	usd
CY2024Q1	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-12000000	usd
CY2023Q1	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	20000000	usd
CY2024Q1	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	26000000	usd
CY2023Q1	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	-2000000	usd
CY2024Q1	us-gaap	Other Income OtherIncome	1000000	usd
CY2023Q1	us-gaap	Other Income OtherIncome	27000000	usd
CY2024Q1	us-gaap	Revenues Revenues	245000000	usd
CY2023Q1	us-gaap	Revenues Revenues	283000000	usd
CY2024Q1	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	-1000000	usd
CY2023Q1	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	4000000	usd
CY2024Q1	us-gaap	Interest Expense InterestExpense	23000000	usd
CY2023Q1	us-gaap	Interest Expense InterestExpense	21000000	usd
CY2024Q1	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	6000000	usd
CY2023Q1	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	3000000	usd
CY2024Q1	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	58000000	usd
CY2023Q1	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	82000000	usd
CY2024Q1	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	39000000	usd
CY2023Q1	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	55000000	usd
CY2024Q1	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	125000000	usd
CY2023Q1	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	165000000	usd
CY2024Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	120000000	usd
CY2023Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	118000000	usd
CY2024Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	24000000	usd
CY2023Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2000000	usd
CY2024Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	144000000	usd
CY2023Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	120000000	usd
CY2024Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	31000000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23000000	usd
CY2024Q1	us-gaap	Profit Loss ProfitLoss	113000000	usd
CY2023Q1	us-gaap	Profit Loss ProfitLoss	97000000	usd
CY2024Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	4000000	usd
CY2023Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	16000000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	109000000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	81000000	usd
CY2024Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.94
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.37
CY2024Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.89
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.34
CY2024Q1	us-gaap	Profit Loss ProfitLoss	113000000	usd
CY2023Q1	us-gaap	Profit Loss ProfitLoss	97000000	usd
CY2024Q1	ago	Other Comprehensive Income Loss Availableforsale Securities Without Credit Impairment Tax OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithoutCreditImpairmentTax	-5000000	usd
CY2023Q1	ago	Other Comprehensive Income Loss Availableforsale Securities Without Credit Impairment Tax OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithoutCreditImpairmentTax	14000000	usd
CY2024Q1	ago	Other Comprehensive Income Loss Availableforsale Securities Without Credit Impairment Netof Tax OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithoutCreditImpairmentNetofTax	-29000000	usd
CY2023Q1	ago	Other Comprehensive Income Loss Availableforsale Securities Without Credit Impairment Netof Tax OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithoutCreditImpairmentNetofTax	89000000	usd
CY2024Q1	ago	Other Comprehensive Income Loss Availableforsale Securities With Credit Impairment Tax OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentTax	0	usd
CY2023Q1	ago	Other Comprehensive Income Loss Availableforsale Securities With Credit Impairment Tax OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentTax	1000000	usd
CY2024Q1	ago	Other Comprehensive Income Loss Availableforsale Securities With Credit Impairment Netof Tax OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentNetofTax	1000000	usd
CY2023Q1	ago	Other Comprehensive Income Loss Availableforsale Securities With Credit Impairment Netof Tax OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentNetofTax	5000000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-28000000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	94000000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option After Tax And Reclassification Adjustment OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustment	-1000000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option After Tax And Reclassification Adjustment OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustment	-1000000	usd
CY2024Q1	ago	Other Comprehensive Income Loss Other Netof Tax Portion Attributable To Parent OtherComprehensiveIncomeLossOtherNetofTaxPortionAttributableToParent	1000000	usd
CY2023Q1	ago	Other Comprehensive Income Loss Other Netof Tax Portion Attributable To Parent OtherComprehensiveIncomeLossOtherNetofTaxPortionAttributableToParent	2000000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-28000000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	95000000	usd
CY2024Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	85000000	usd
CY2023Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	192000000	usd
CY2024Q1	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	4000000	usd
CY2023Q1	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	16000000	usd
CY2024Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	81000000	usd
CY2023Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	176000000	usd
CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5765000000	usd
CY2024Q1	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	113000000	usd
CY2024Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.31
CY2024Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	19000000	usd
CY2024Q1	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	131000000	usd
CY2024Q1	ago	Stock Issued During Period Value Sharebased Compensationand Other StockIssuedDuringPeriodValueSharebasedCompensationandOther	-15000000	usd
CY2024Q1	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	3000000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-28000000	usd
CY2024Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5682000000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5292000000	usd
CY2023Q1	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	97000000	usd
CY2023Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.28
CY2023Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	18000000	usd
CY2023Q1	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	3000000	usd
CY2023Q1	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	2000000	usd
CY2023Q1	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	52000000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	95000000	usd
CY2023Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5415000000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-74000000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	312000000	usd
CY2024Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	321000000	usd
CY2023Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	225000000	usd
CY2024Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	359000000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	455000000	usd
CY2024Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	165000000	usd
CY2023Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	129000000	usd
CY2024Q1	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	0	usd
CY2023Q1	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	12000000	usd
CY2024Q1	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	0	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	3000000	usd
CY2024Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	4000000	usd
CY2023Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	15000000	usd
CY2024Q1	ago	Paymentsfor Proceedsfrom Shortterm Investmentswith Maturitiesof Less Than Three Months PaymentsforProceedsfromShorttermInvestmentswithMaturitiesofLessThanThreeMonths	-8000000	usd
CY2023Q1	ago	Paymentsfor Proceedsfrom Shortterm Investmentswith Maturitiesof Less Than Three Months PaymentsforProceedsfromShorttermInvestmentswithMaturitiesofLessThanThreeMonths	460000000	usd
CY2024Q1	us-gaap	Proceeds From Payments For Trading Securities ProceedsFromPaymentsForTradingSecurities	72000000	usd
CY2023Q1	us-gaap	Proceeds From Payments For Trading Securities ProceedsFromPaymentsForTradingSecurities	0	usd
CY2024Q1	ago	Proceedsfrom Paydownson Financial Guaranty Variable Interest Entities Assets ProceedsfromPaydownsonFinancialGuarantyVariableInterestEntitiesAssets	6000000	usd
CY2023Q1	ago	Proceedsfrom Paydownson Financial Guaranty Variable Interest Entities Assets ProceedsfromPaydownsonFinancialGuarantyVariableInterestEntitiesAssets	7000000	usd
CY2024Q1	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	56000000	usd
CY2023Q1	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	10000000	usd
CY2024Q1	us-gaap	Proceeds From Sale Of Other Assets Investing Activities ProceedsFromSaleOfOtherAssetsInvestingActivities	17000000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Other Assets Investing Activities ProceedsFromSaleOfOtherAssetsInvestingActivities	5000000	usd
CY2024Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	1000000	usd
CY2023Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	1000000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	253000000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-94000000	usd
CY2024Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	19000000	usd
CY2023Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	18000000	usd
CY2024Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	129000000	usd
CY2023Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2000000	usd
CY2024Q1	ago	Paydown Of Financial Guaranty Variable Interest Entities Liabilities PaydownOfFinancialGuarantyVariableInterestEntitiesLiabilities	148000000	usd
CY2023Q1	ago	Paydown Of Financial Guaranty Variable Interest Entities Liabilities PaydownOfFinancialGuarantyVariableInterestEntitiesLiabilities	9000000	usd
CY2024Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-28000000	usd
CY2023Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-15000000	usd
CY2024Q1	ago	Repaymentof Warehouse Loansand Equity RepaymentofWarehouseLoansandEquity	0	usd
CY2023Q1	ago	Repaymentof Warehouse Loansand Equity RepaymentofWarehouseLoansandEquity	152000000	usd
CY2024Q1	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	0	usd
CY2023Q1	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-30000000	usd
CY2024Q1	ago	Distributions To Noncontrolling Interests From Investment Vehicles DistributionsToNoncontrollingInterestsFromInvestmentVehicles	3000000	usd
CY2023Q1	ago	Distributions To Noncontrolling Interests From Investment Vehicles DistributionsToNoncontrollingInterestsFromInvestmentVehicles	70000000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-327000000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-296000000	usd
CY2024Q1	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-1000000	usd
CY2023Q1	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1000000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-149000000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-77000000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	286000000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	207000000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	137000000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	130000000	usd
CY2024Q1	us-gaap	Interest Paid Net InterestPaidNet	22000000	usd
CY2023Q1	us-gaap	Interest Paid Net InterestPaidNet	10000000	usd
CY2024Q1	ago	Noncash Or Part Noncash Acquisition Investments Acquired Available For Sale NoncashOrPartNoncashAcquisitionInvestmentsAcquiredAvailableForSale	0	usd
CY2023Q1	ago	Noncash Or Part Noncash Acquisition Investments Acquired Available For Sale NoncashOrPartNoncashAcquisitionInvestmentsAcquiredAvailableForSale	-1000000	usd
CY2024Q1	ago	Noncash Contributions From Noncontrolling Interests NoncashContributionsFromNoncontrollingInterests	0	usd
CY2023Q1	ago	Noncash Contributions From Noncontrolling Interests NoncashContributionsFromNoncontrollingInterests	3000000	usd
CY2024Q1	ago	Noncash Distributions To Noncontrolling Interests NoncashDistributionsToNoncontrollingInterests	0	usd
CY2023Q1	ago	Noncash Distributions To Noncontrolling Interests NoncashDistributionsToNoncontrollingInterests	3000000	usd
CY2024Q1	ago	Noncash Distributions From Equity Method Investments NoncashDistributionsFromEquityMethodInvestments	7000000	usd
CY2023Q1	ago	Noncash Distributions From Equity Method Investments NoncashDistributionsFromEquityMethodInvestments	0	usd
CY2024Q1	us-gaap	Cash Cash	115000000	usd
CY2023Q1	us-gaap	Cash Cash	118000000	usd
CY2024Q1	ago	Cashof Consolidated Investment Vehicles CashofConsolidatedInvestmentVehicles	22000000	usd
CY2023Q1	ago	Cashof Consolidated Investment Vehicles CashofConsolidatedInvestmentVehicles	-13000000	usd
CY2024Q1	us-gaap	Disposal Group Including Discontinued Operation Cash And Cash Equivalents DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents	0	usd
CY2023Q1	us-gaap	Disposal Group Including Discontinued Operation Cash And Cash Equivalents DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents	25000000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	137000000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	130000000	usd
CY2024Q1	ago	Holding Companieswith Outstanding Public Debt Number HoldingCompanieswithOutstandingPublicDebtNumber	2	company
CY2024Q1	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2024Q1	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	248144000000	usd
CY2024Q1	us-gaap	Revenues Revenues	245000000	usd
CY2024Q1	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	125000000	usd
CY2024Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	24000000	usd
CY2024Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	31000000	usd
CY2024Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	4000000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	109000000	usd
CY2023Q1	us-gaap	Revenues Revenues	283000000	usd
CY2023Q1	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	165000000	usd
CY2023Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2000000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23000000	usd
CY2023Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	16000000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	81000000	usd
CY2024Q1	ago	Number Of Surveillance Categories NumberOfSurveillanceCategories	3	category
CY2024Q1	ago	Number Of Surveillance Categories NumberOfSurveillanceCategories	3	category
CY2024Q1	ago	Insured Financial Obligations Loss Mitigation Securities InsuredFinancialObligationsLossMitigationSecurities	1200000000	usd
CY2023Q4	ago	Insured Financial Obligations Loss Mitigation Securities InsuredFinancialObligationsLossMitigationSecurities	1200000000	usd
CY2024Q1	ago	Insured Financial Obligations Insured Contractual Payments Outstanding Gross InsuredFinancialObligationsInsuredContractualPaymentsOutstandingGross	395350000000	usd
CY2024Q1	ago	Insured Financial Obligations Insured Contractual Payments Outstanding Net InsuredFinancialObligationsInsuredContractualPaymentsOutstandingNet	394849000000	usd
CY2023Q4	ago	Insured Financial Obligations Insured Contractual Payments Outstanding Gross InsuredFinancialObligationsInsuredContractualPaymentsOutstandingGross	398037000000	usd
CY2023Q4	ago	Insured Financial Obligations Insured Contractual Payments Outstanding Net InsuredFinancialObligationsInsuredContractualPaymentsOutstandingNet	397636000000	usd
CY2024Q1	ago	Insured Financial Obligations Outstanding Principal Amount Gross InsuredFinancialObligationsOutstandingPrincipalAmountGross	248626000000	usd
CY2024Q1	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	248144000000	usd
CY2023Q4	ago	Insured Financial Obligations Outstanding Principal Amount Gross InsuredFinancialObligationsOutstandingPrincipalAmountGross	249535000000	usd
CY2023Q4	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	249153000000	usd
CY2024Q1	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	248144000000	usd
CY2024Q1	ago	Insured Financial Obligations Outstanding Principle Amount Percentage InsuredFinancialObligationsOutstandingPrincipleAmountPercentage	1.000
CY2023Q4	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	249153000000	usd
CY2023Q4	ago	Insured Financial Obligations Outstanding Principle Amount Percentage InsuredFinancialObligationsOutstandingPrincipleAmountPercentage	1.000
CY2023Q4	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	249153000000	usd
CY2024Q1	us-gaap	Trading Securities Debt TradingSecuritiesDebt	272000000	usd
CY2024Q1	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	1500000000	usd
CY2024Q1	ago	Insured Financial Obligations Insured Credit Performanceof Guaranteed Obligations Term InsuredFinancialObligationsInsuredCreditPerformanceofGuaranteedObligationsTerm	P30Y
CY2024Q1	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	433000000	usd
CY2023Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	505000000	usd
CY2024Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarranties	-7000000	usd
CY2023Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarranties	11000000	usd
CY2024Q1	ago	Insured Financial Obligations Claim Liability Weighted Average Risk Free Discount Rate InsuredFinancialObligationsClaimLiabilityWeightedAverageRiskFreeDiscountRate	0.0444
CY2023	ago	Insured Financial Obligations Claim Liability Weighted Average Risk Free Discount Rate InsuredFinancialObligationsClaimLiabilityWeightedAverageRiskFreeDiscountRate	0.0410
CY2023Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	505000000	usd
CY2022Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	522000000	usd
CY2024Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Accretion Of Discount GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesAccretionOfDiscount	5000000	usd
CY2023Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Accretion Of Discount GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesAccretionOfDiscount	5000000	usd
CY2024Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Changes In Discount Rates GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesChangesInDiscountRates	-3000000	usd
CY2023Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Changes In Discount Rates GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesChangesInDiscountRates	10000000	usd
CY2024Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Changes In Timing And Assumptions GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesChangesInTimingAndAssumptions	-9000000	usd
CY2023Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Changes In Timing And Assumptions GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesChangesInTimingAndAssumptions	-4000000	usd
CY2024Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarranties	-7000000	usd
CY2023Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarranties	11000000	usd
CY2024Q1	ago	Guarantor Obligations Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAfterRecoveriesforRepresentationsandWarranties	65000000	usd
CY2023Q1	ago	Guarantor Obligations Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAfterRecoveriesforRepresentationsandWarranties	16000000	usd
CY2024Q1	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	433000000	usd
CY2023Q1	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	517000000	usd
CY2023Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	505000000	usd
CY2024Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarranties	-7000000	usd
CY2024Q1	ago	Guarantor Obligations Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAfterRecoveriesforRepresentationsandWarranties	65000000	usd
CY2024Q1	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	433000000	usd
CY2022Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	522000000	usd
CY2023Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarranties	11000000	usd
CY2023Q1	ago	Guarantor Obligations Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAfterRecoveriesforRepresentationsandWarranties	16000000	usd
CY2023Q1	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	517000000	usd
CY2024Q1	ago	Reinsurance Recoverables Periodafter Endof Reporting Periodfor Settlementof Ceded Paid Losses ReinsuranceRecoverablesPeriodafterEndofReportingPeriodforSettlementofCededPaidLosses	P45D
CY2024Q1	ago	Insured Financial Obligations Liabilityfor Unpaid Claims Adjustment Expense Claims Paid InsuredFinancialObligationsLiabilityforUnpaidClaimsAdjustmentExpenseClaimsPaid	7000000	usd
CY2023Q1	ago	Insured Financial Obligations Liabilityfor Unpaid Claims Adjustment Expense Claims Paid InsuredFinancialObligationsLiabilityforUnpaidClaimsAdjustmentExpenseClaimsPaid	3000000	usd
CY2024Q1	ago	Expected Loss Adjustment Expense To Be Paid ExpectedLossAdjustmentExpenseToBePaid	16000000	usd
CY2023Q4	ago	Expected Loss Adjustment Expense To Be Paid ExpectedLossAdjustmentExpenseToBePaid	22000000	usd
CY2024Q1	ago	Public Finance Estimated Future Recoveries Of Claims Paid PublicFinanceEstimatedFutureRecoveriesOfClaimsPaid	193000000	usd
CY2023Q4	ago	Public Finance Estimated Future Recoveries Of Claims Paid PublicFinanceEstimatedFutureRecoveriesOfClaimsPaid	193000000	usd
CY2024Q1	ago	Additional Loss Recovery Assumption Recovery Period AdditionalLossRecoveryAssumptionRecoveryPeriod	P5Y
CY2024Q1	ago	Financial Guarantee Insurance Contracts Scheduled Net Earned Premiums FinancialGuaranteeInsuranceContractsScheduledNetEarnedPremiums	71000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Scheduled Net Earned Premiums FinancialGuaranteeInsuranceContractsScheduledNetEarnedPremiums	69000000	usd
CY2024Q1	us-gaap	Financial Guarantee Insurance Contracts Accelerated Premium Revenue Amount FinancialGuaranteeInsuranceContractsAcceleratedPremiumRevenueAmount	39000000	usd
CY2023Q1	us-gaap	Financial Guarantee Insurance Contracts Accelerated Premium Revenue Amount FinancialGuaranteeInsuranceContractsAcceleratedPremiumRevenueAmount	4000000	usd
CY2024Q1	ago	Financial Guarantee Insurance Contracts Net Premiums Receivable Adjustment Accretionof Discounton Net Premium Receivable FinancialGuaranteeInsuranceContractsNetPremiumsReceivableAdjustmentAccretionofDiscountonNetPremiumReceivable	-7000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Net Premiums Receivable Adjustment Accretionof Discounton Net Premium Receivable FinancialGuaranteeInsuranceContractsNetPremiumsReceivableAdjustmentAccretionofDiscountonNetPremiumReceivable	-7000000	usd
CY2024Q1	ago	Financial Guarantee Insurance Contracts Premiums Earned Net FinancialGuaranteeInsuranceContractsPremiumsEarnedNet	117000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Premiums Earned Net FinancialGuaranteeInsuranceContractsPremiumsEarnedNet	80000000	usd
CY2024Q1	ago	Premiums Earned Net Specialty Insuranceand Reinsurance PremiumsEarnedNetSpecialtyInsuranceandReinsurance	2000000	usd
CY2023Q1	ago	Premiums Earned Net Specialty Insuranceand Reinsurance PremiumsEarnedNetSpecialtyInsuranceandReinsurance	1000000	usd
CY2024Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	119000000	usd
CY2023Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	81000000	usd
CY2023Q4	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable FinancialGuaranteeInsuranceContractsPremiumReceivable	1468000000	usd
CY2022Q4	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable FinancialGuaranteeInsuranceContractsPremiumReceivable	1298000000	usd
CY2023Q4	ago	Financial Guarantee Insurance Contracts Premium Receivable Specialty Insurance FinancialGuaranteeInsuranceContractsPremiumReceivableSpecialtyInsurance	1000000	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Premium Receivable Specialty Insurance FinancialGuaranteeInsuranceContractsPremiumReceivableSpecialtyInsurance	1000000	usd
CY2023Q4	ago	Financial Guarantee Insurance Contracts Premium Receivable Excluding Other Non Financial Guarantee FinancialGuaranteeInsuranceContractsPremiumReceivableExcludingOtherNonFinancialGuarantee	1467000000	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Premium Receivable Excluding Other Non Financial Guarantee FinancialGuaranteeInsuranceContractsPremiumReceivableExcludingOtherNonFinancialGuarantee	1297000000	usd
CY2024Q1	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable New Business Written FinancialGuaranteeInsuranceContractsPremiumReceivableNewBusinessWritten	63000000	usd
CY2023Q1	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable New Business Written FinancialGuaranteeInsuranceContractsPremiumReceivableNewBusinessWritten	79000000	usd
CY2024Q1	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable Proceeds From Premiums Received FinancialGuaranteeInsuranceContractsPremiumReceivableProceedsFromPremiumsReceived	75000000	usd
CY2023Q1	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable Proceeds From Premiums Received FinancialGuaranteeInsuranceContractsPremiumReceivableProceedsFromPremiumsReceived	64000000	usd
CY2024Q1	us-gaap	Financial Guarantee Insurance Contracts Premiums Receivable Adjustment Change In Period Of Contract FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentChangeInPeriodOfContract	-3000000	usd
CY2023Q1	us-gaap	Financial Guarantee Insurance Contracts Premiums Receivable Adjustment Change In Period Of Contract FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentChangeInPeriodOfContract	6000000	usd
CY2024Q1	us-gaap	Financial Guarantee Insurance Contracts Premiums Receivable Accretion Of Discount On Premium Receivable FinancialGuaranteeInsuranceContractsPremiumsReceivableAccretionOfDiscountOnPremiumReceivable	7000000	usd
CY2023Q1	us-gaap	Financial Guarantee Insurance Contracts Premiums Receivable Accretion Of Discount On Premium Receivable FinancialGuaranteeInsuranceContractsPremiumsReceivableAccretionOfDiscountOnPremiumReceivable	7000000	usd
CY2024Q1	ago	Financial Guarantee Insurance Contracts Premiums Receivable Adjustment Foreign Exchange Translation FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentForeignExchangeTranslation	-10000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Premiums Receivable Adjustment Foreign Exchange Translation FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentForeignExchangeTranslation	20000000	usd
CY2024Q1	ago	Financial Guarantee Insurance Contracts Premium Receivable Excluding Other Non Financial Guarantee FinancialGuaranteeInsuranceContractsPremiumReceivableExcludingOtherNonFinancialGuarantee	1449000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Premium Receivable Excluding Other Non Financial Guarantee FinancialGuaranteeInsuranceContractsPremiumReceivableExcludingOtherNonFinancialGuarantee	1345000000	usd
CY2024Q1	ago	Financial Guarantee Insurance Contracts Premium Receivable Specialty Insurance FinancialGuaranteeInsuranceContractsPremiumReceivableSpecialtyInsurance	1000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Premium Receivable Specialty Insurance FinancialGuaranteeInsuranceContractsPremiumReceivableSpecialtyInsurance	1000000	usd
CY2024Q1	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable FinancialGuaranteeInsuranceContractsPremiumReceivable	1450000000	usd
CY2023Q1	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable FinancialGuaranteeInsuranceContractsPremiumReceivable	1346000000	usd
CY2024Q1	us-gaap	Financial Guarantee Insurance Contracts Claim Liability Weighted Average Risk Free Discount Rate FinancialGuaranteeInsuranceContractsClaimLiabilityWeightedAverageRiskFreeDiscountRate	0.0449
CY2023	us-gaap	Financial Guarantee Insurance Contracts Claim Liability Weighted Average Risk Free Discount Rate FinancialGuaranteeInsuranceContractsClaimLiabilityWeightedAverageRiskFreeDiscountRate	0.0417
CY2024Q1	ago	Reserve For Losses And Loss Adjustment Expenses Net Of Reinsurance And Salvage And Subrogation Recoveries ReserveForLossesAndLossAdjustmentExpensesNetOfReinsuranceAndSalvageAndSubrogationRecoveries	10000000	usd
CY2023Q4	ago	Reserve For Losses And Loss Adjustment Expenses Net Of Reinsurance And Salvage And Subrogation Recoveries ReserveForLossesAndLossAdjustmentExpensesNetOfReinsuranceAndSalvageAndSubrogationRecoveries	75000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	288000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	274	security
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	1266	security
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	1525	security
CY2024Q1	ago	Available For Sale Securities Continuous Unrealized Loss Position Greater Than10 Percent Of Book Value Twelve Months Or Longer Number AvailableForSaleSecuritiesContinuousUnrealizedLossPositionGreaterThan10PercentOfBookValueTwelveMonthsOrLongerNumber	458	security
CY2023Q4	ago	Available For Sale Securities Continuous Unrealized Loss Position Greater Than10 Percent Of Book Value Twelve Months Or Longer Number AvailableForSaleSecuritiesContinuousUnrealizedLossPositionGreaterThan10PercentOfBookValueTwelveMonthsOrLongerNumber	409	security
CY2024Q1	ago	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Greater Than10 Percent Book Value Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerGreaterThan10PercentBookValueAggregateLosses	224000000	usd
CY2024Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Loss To Be Expensed During Second Quarter Following Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLossToBeExpensedDuringSecondQuarterFollowingBalanceSheetDate	4000000	usd
CY2024Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Loss To Be Expensed During Third Quarter Following Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLossToBeExpensedDuringThirdQuarterFollowingBalanceSheetDate	3000000	usd
CY2024Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Loss To Be Expensed During Fourth Quarter Following Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLossToBeExpensedDuringFourthQuarterFollowingBalanceSheetDate	3000000	usd
CY2024Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Loss To Be Expensed During Remainder Of Fiscal Year Following Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLossToBeExpensedDuringRemainderOfFiscalYearFollowingBalanceSheetDate	10000000	usd
CY2024Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Loss To Be Expensed In First Full Fiscal Year FinancialGuaranteeInsuranceContractsFutureExpectedNetLossToBeExpensedInFirstFullFiscalYear	12000000	usd
CY2024Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Losstobe Expensedin Second Full Fiscal Year FinancialGuaranteeInsuranceContractsFutureExpectedNetLosstobeExpensedinSecondFullFiscalYear	15000000	usd
CY2024Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Losstobe Expensedin Third Full Fiscal Year FinancialGuaranteeInsuranceContractsFutureExpectedNetLosstobeExpensedinThirdFullFiscalYear	16000000	usd
CY2024Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Losstobe Expensedin Fourth Full Fiscal Year FinancialGuaranteeInsuranceContractsFutureExpectedNetLosstobeExpensedinFourthFullFiscalYear	14000000	usd
CY2024Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Loss To Be Expensed More Than Four And Within9 Years From Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLossToBeExpensedMoreThanFourAndWithin9YearsFromBalanceSheetDate	67000000	usd
CY2024Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Loss To Be Expensed More Than9 And Within14 Years From Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLossToBeExpensedMoreThan9AndWithin14YearsFromBalanceSheetDate	47000000	usd
CY2024Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Loss To Be Expensed More Than14 And Within19 Years From Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLossToBeExpensedMoreThan14AndWithin19YearsFromBalanceSheetDate	11000000	usd
CY2024Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Loss To Be Expensed Beyond Nineteenth Fiscal Year From Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLossToBeExpensedBeyondNineteenthFiscalYearFromBalanceSheetDate	11000000	usd
CY2024Q1	ago	Financial Guarantee Insurance Contracts Net Losstobe Expensed Present Value FinancialGuaranteeInsuranceContractsNetLosstobeExpensedPresentValue	203000000	usd
CY2024Q1	ago	Schedule Of Insured Financial Obligations With Credit Deterioration Reductions Of Gross Claim Liability Net Of Reinsurance Recoverable Discount Accretion ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationReductionsOfGrossClaimLiabilityNetOfReinsuranceRecoverableDiscountAccretion	-18000000	usd
CY2024Q1	ago	Financial Guarantee Insurance Contracts Net Losstobe Expensed Undiscounted FinancialGuaranteeInsuranceContractsNetLosstobeExpensedUndiscounted	185000000	usd
CY2024Q1	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	-1000000	usd
CY2023Q1	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	4000000	usd
CY2023Q4	ago	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Greater Than10 Percent Book Value Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerGreaterThan10PercentBookValueAggregateLosses	200000000	usd
CY2024Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55600000	shares
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59100000	shares
CY2024Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.94
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.37
CY2024Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	108000000	usd
CY2024Q1	us-gaap	Average Term Of Credit Risk Derivatives1 AverageTermOfCreditRiskDerivatives1	P10Y10M24D
CY2023	us-gaap	Average Term Of Credit Risk Derivatives1 AverageTermOfCreditRiskDerivatives1	P11Y1M6D
CY2024Q1	ago	Financial Guaranty Contracts Accountedforas Credit Derivatives Outstanding Principal Amount FinancialGuarantyContractsAccountedforasCreditDerivativesOutstandingPrincipalAmount	3421000000	usd
CY2024Q1	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	-39000000	usd
CY2023Q4	ago	Financial Guaranty Contracts Accountedforas Credit Derivatives Outstanding Principal Amount FinancialGuarantyContractsAccountedforasCreditDerivativesOutstandingPrincipalAmount	3608000000	usd
CY2023Q4	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	-50000000	usd
CY2024Q1	ago	Expected Loss On Credit Derivative To Be Paid Recovered Including Representation And Warranty Liability Benefit ExpectedLossOnCreditDerivativeToBePaidRecoveredIncludingRepresentationAndWarrantyLiabilityBenefit	1000000	usd
CY2023Q4	ago	Expected Loss On Credit Derivative To Be Paid Recovered Including Representation And Warranty Liability Benefit ExpectedLossOnCreditDerivativeToBePaidRecoveredIncludingRepresentationAndWarrantyLiabilityBenefit	2000000	usd
CY2024Q1	ago	Credit Derivative Realized Gain Lossand Other Settlements CreditDerivativeRealizedGainLossandOtherSettlements	-1000000	usd
CY2023Q1	ago	Credit Derivative Realized Gain Lossand Other Settlements CreditDerivativeRealizedGainLossandOtherSettlements	1000000	usd
CY2024Q1	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	11000000	usd
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CY2024Q1	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	10000000	usd
CY2023Q1	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	15000000	usd
CY2024Q1	ago	Credit Risk Derivatives At Fair Value Before Effect Of Credit Spread Net CreditRiskDerivativesAtFairValueBeforeEffectOfCreditSpreadNet	-56000000	usd
CY2023Q4	ago	Credit Risk Derivatives At Fair Value Before Effect Of Credit Spread Net CreditRiskDerivativesAtFairValueBeforeEffectOfCreditSpreadNet	-76000000	usd
CY2024Q1	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Liabilities DerivativeCreditRiskValuationAdjustmentDerivativeLiabilities	17000000	usd
CY2023Q4	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Liabilities DerivativeCreditRiskValuationAdjustmentDerivativeLiabilities	26000000	usd
CY2024Q1	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	-39000000	usd
CY2023Q4	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	-50000000	usd
CY2024Q1	ago	Numberof Outside Managers Managing Investment Portfolio NumberofOutsideManagersManagingInvestmentPortfolio	3	manager
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	95000000	usd
CY2024Q1	us-gaap	Trading Securities Debt TradingSecuritiesDebt	272000000	usd
CY2023Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	318000000	usd
CY2024Q1	us-gaap	Short Term Investments ShortTermInvestments	1649000000	usd
CY2023Q4	us-gaap	Short Term Investments ShortTermInvestments	1661000000	usd
CY2024Q1	us-gaap	Investments Investments	8887000000	usd
CY2023Q4	us-gaap	Investments Investments	9115000000	usd
CY2024Q1	ago	Fixed Maturity Investments Non Investment Grade Not Rated Percent FixedMaturityInvestmentsNonInvestmentGradeNotRatedPercent	0.095
CY2023Q4	ago	Fixed Maturity Investments Non Investment Grade Not Rated Percent FixedMaturityInvestmentsNonInvestmentGradeNotRatedPercent	0.092
CY2024Q1	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	72000000	usd
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CY2024Q1	ago	Percentageof Availableforsale Securitiesat Amortized Cost PercentageofAvailableforsaleSecuritiesatAmortizedCost	1
CY2024Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	6553000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	67000000	usd
CY2024Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	43000000	usd
CY2024Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	438000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	6091000000	usd
CY2023Q4	ago	Percentageof Availableforsale Securitiesat Amortized Cost PercentageofAvailableforsaleSecuritiesatAmortizedCost	1
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	6746000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	77000000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	55000000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	417000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	6307000000	usd
CY2024Q1	ago	Government Agency Obligations As Percentage Of Total Mortgage Backed Securities GovernmentAgencyObligationsAsPercentageOfTotalMortgageBackedSecurities	0.56
CY2023Q4	ago	Government Agency Obligations As Percentage Of Total Mortgage Backed Securities GovernmentAgencyObligationsAsPercentageOfTotalMortgageBackedSecurities	0.42
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	830000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	5000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	3259000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	305000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	4089000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	310000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	319	security
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	1311	security
CY2024Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	1609	security
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	766000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	7000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	3162000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	281000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	3928000000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis	289000000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	283000000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis	1373000000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	1305000000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis	1605000000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	1527000000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis	2594000000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue	2378000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	6553000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	6091000000	usd
CY2024Q1	us-gaap	Assets Held In Trust AssetsHeldInTrust	143000000	usd
CY2023Q4	us-gaap	Assets Held In Trust AssetsHeldInTrust	234000000	usd
CY2024Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	85000000	usd
CY2023Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	82000000	usd
CY2024Q1	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	1000000	usd
CY2023Q1	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	1000000	usd
CY2024Q1	us-gaap	Net Investment Income NetInvestmentIncome	84000000	usd
CY2023Q1	us-gaap	Net Investment Income NetInvestmentIncome	81000000	usd
CY2024Q1	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	26000000	usd
CY2023Q1	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	-2000000	usd
CY2024Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	24000000	usd
CY2023Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2000000	usd
CY2024Q1	us-gaap	Fair Value Asset Liability Recurring Basis Still Held Unrealized Gain Loss FairValueAssetLiabilityRecurringBasisStillHeldUnrealizedGainLoss	22000000	usd
CY2023Q1	us-gaap	Fair Value Asset Liability Recurring Basis Still Held Unrealized Gain Loss FairValueAssetLiabilityRecurringBasisStillHeldUnrealizedGainLoss	-2000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	1000000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	12000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	3000000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	9000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Period Increase Decrease DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossPeriodIncreaseDecrease	10000000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Period Increase Decrease DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossPeriodIncreaseDecrease	-5000000	usd
CY2024Q1	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	8000000	usd
CY2023Q1	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	-2000000	usd
CY2023Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	81000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	77000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	65000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Not To Sell Before Recovery Credit Loss Previously Recorded Expense Reversal DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossNotToSellBeforeRecoveryCreditLossPreviouslyRecordedExpenseReversal	-10000000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Not To Sell Before Recovery Credit Loss Previously Recorded Expense Reversal DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossNotToSellBeforeRecoveryCreditLossPreviouslyRecordedExpenseReversal	4000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	67000000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	69000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Purchased With Credit Deterioration Amount At Purchase Price DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAmountAtPurchasePrice	0	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Purchased With Credit Deterioration Amount At Purchase Price DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAmountAtPurchasePrice	0	usd
CY2024Q1	ago	Variable Interest Entity Numberof Policies Monitored VariableInterestEntityNumberofPoliciesMonitored	15000	policy
CY2024Q1	ago	Variable Interest Entity Numberof Policies Monitored Not Withinthe Scopeof Asc810 VariableInterestEntityNumberofPoliciesMonitoredNotWithintheScopeofASC810	14000	policy
CY2024Q1	ago	Variable Interest Entity Numberof Policiesthat Contain Provisionsfor Consolidation VariableInterestEntityNumberofPoliciesthatContainProvisionsforConsolidation	60	policy
CY2023Q4	ago	Variable Interest Entity Numberof Policiesthat Contain Provisionsfor Consolidation VariableInterestEntityNumberofPoliciesthatContainProvisionsforConsolidation	68	policy
CY2024Q1	us-gaap	Variable Interest Entity Entity Maximum Loss Exposure Amount VariableInterestEntityEntityMaximumLossExposureAmount	395000000	usd
CY2024Q1	ago	Number Of Fixed Maturity Debt Securities Classified As Level3 NumberOfFixedMaturityDebtSecuritiesClassifiedAsLevel3	1	security
CY2024Q1	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	256000000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	250000000	usd
CY2024Q1	ago	Deferred Tax Assets Liabilities Net Current1 DeferredTaxAssetsLiabilitiesNetCurrent1	-39000000	usd
CY2023Q4	ago	Deferred Tax Assets Liabilities Net Current1 DeferredTaxAssetsLiabilitiesNetCurrent1	-9000000	usd
CY2024Q1	ago	Deferred Tax Assets Realization Assessment Period For Which Cumulative Operating Income Considered DeferredTaxAssetsRealizationAssessmentPeriodForWhichCumulativeOperatingIncomeConsidered	P3Y
CY2024Q1	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	23000000	usd
CY2023Q1	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	20000000	usd
CY2024Q1	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	2000000	usd
CY2023Q1	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	3000000	usd
CY2024Q1	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	1000000	usd
CY2023Q1	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	3000000	usd
CY2024Q1	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2000000	usd
CY2023Q1	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3000000	usd
CY2024Q1	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	5000000	usd
CY2023Q1	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	5000000	usd
CY2024Q1	ago	Effective Income Tax Rate Reconciliation Global Minimum Tax Amount EffectiveIncomeTaxRateReconciliationGlobalMinimumTaxAmount	5000000	usd
CY2023Q1	ago	Effective Income Tax Rate Reconciliation Global Minimum Tax Amount EffectiveIncomeTaxRateReconciliationGlobalMinimumTaxAmount	0	usd
CY2024Q1	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	0	usd
CY2023Q1	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	1000000	usd
CY2024Q1	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1000000	usd
CY2023Q1	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	0	usd
CY2024Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	31000000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23000000	usd
CY2024Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.214
CY2023Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.191
CY2024Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	144000000	usd
CY2023Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	120000000	usd
CY2024Q1	us-gaap	Revenues Revenues	245000000	usd
CY2023Q1	us-gaap	Revenues Revenues	283000000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-22000000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-28000000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	92000000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	109000000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	81000000	usd
CY2024Q1	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	1000000	usd
CY2023Q1	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	0	usd
CY2024Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	108000000	usd
CY2023Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	81000000	usd
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CY2024Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	108000000	usd
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CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59100000	shares
CY2024Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1500000	shares
CY2023Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1300000	shares
CY2024Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	57100000	shares
CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	60400000	shares
CY2024Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.89
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.34
CY2024Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	100000	shares
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Files In Submission

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ASSURED GUARANTY LTD Stock $ago

2024 Q2 Form 10-Q Financial Statement

#000127381324000031 Filed on May 08, 2024

Income Statement

Balance Sheet

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$AGO ASSURED GUARANTY LTD Stock $ago

2024 Q2 Form 10-Q Financial Statement

#000127381324000031 Filed on May 08, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AGO
ASSURED GUARANTY LTD Stock $ago