$AGO
ASSURED GUARANTY LTD Stock $ago

$ago Overview Financials Valuation SEC Filings Company Website

2023 Q2 Form 10-Q Financial Statement

#000127381323000031 Filed on May 10, 2023

Income Statement

Concept	2023 Q2	2023 Q1
Revenue	$360.0M	$283.0M
YoY Change	300.0%	-5.67%
Cost Of Revenue	$55.00M	$4.000M
YoY Change	-600.0%	-92.98%
Gross Profit	$305.0M	$279.0M
YoY Change	201.98%	14.81%
Gross Profit Margin	84.72%	98.59%
Selling, General & Admin	$70.00M	$82.00M
YoY Change	18.64%	12.33%
% of Gross Profit	22.95%	29.39%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$3.000M	$3.000M
YoY Change	0.0%	-25.0%
% of Gross Profit	0.98%	1.08%
Operating Expenses	$172.0M	$118.0M
YoY Change	142.25%	-16.9%
Operating Profit	$133.0M	$161.0M
YoY Change	343.33%	59.41%
Interest Expense	$22.00M	$21.00M
YoY Change	10.0%	5.0%
% of Operating Profit	16.54%	13.04%
Other Income/Expense, Net
YoY Change
Pretax Income	$144.0M	$120.0M
YoY Change	-754.55%	29.03%
Income Tax	$18.00M	$23.00M
% Of Pretax Income	12.5%	19.17%
Net Earnings	$125.0M	$81.00M
YoY Change	-365.96%	22.73%
Net Earnings / Revenue	34.72%	28.62%
Basic Earnings Per Share	$2.09	$1.37
Diluted Earnings Per Share	$2.06	$1.34
COMMON SHARES
Basic Shares Outstanding	59.34M shares	59.06M shares
Diluted Shares Outstanding	60.10M shares	60.40M shares

Balance Sheet

Concept	2023 Q2	2023 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$184.0M	$130.0M
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	$13.68B	$13.70B
YoY Change	-1.96%	-7.23%
Other Assets	$222.0M	$227.0M
YoY Change		1791.67%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$16.85B	$16.78B
YoY Change	-0.64%	-5.98%
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	$1.677B	$1.676B
YoY Change	0.18%	0.18%
Other Long-Term Liabilities	$5.723B	$5.765B
YoY Change	5.65%	-1.32%
Total Long-Term Liabilities	$7.400B	$7.441B
YoY Change	4.36%	-0.98%
TOTAL LIABILITIES
Total Short-Term Liabilities
Total Long-Term Liabilities	$7.400B	$7.441B
Total Liabilities	$11.40B	$11.36B
YoY Change	0.04%	-3.94%
SHAREHOLDERS EQUITY
Retained Earnings	$5.732B	$5.638B
YoY Change	1.06%	-4.08%
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	$5.276B	$5.220B
YoY Change
Total Liabilities & Shareholders Equity	$16.85B	$16.78B
YoY Change	-0.64%	-5.98%

Cashflow Statement

Concept	2023 Q2	2023 Q1
OPERATING ACTIVITIES
Net Income	$125.0M	$81.00M
YoY Change	-365.96%	22.73%
Depreciation, Depletion And Amortization	$3.000M	$3.000M
YoY Change	0.0%	-25.0%
Cash From Operating Activities	$124.0M	$312.0M
YoY Change	-113.75%	-134.98%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities	-$34.00M	$1.000M
YoY Change	-116.35%	0.0%
Cash From Investing Activities	-$34.00M	-$94.00M
YoY Change	-116.35%	-111.06%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-37.00M	-$296.0M
YoY Change	-105.53%	2860.0%
NET CHANGE
Cash From Operating Activities	124.0M	$312.0M
Cash From Investing Activities	-34.00M	-$94.00M
Cash From Financing Activities	-37.00M	-$296.0M
Net Change In Cash	53.00M	-$77.00M
YoY Change	-312.0%	45.28%
FREE CASH FLOW
Cash From Operating Activities	$124.0M	$312.0M
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2023Q1	dei	Amendment Flag AmendmentFlag	false
CY2023Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2023Q1	dei	Document Type DocumentType	10-Q
CY2023Q1	dei	Document Quarterly Report DocumentQuarterlyReport	true
CY2023Q1	dei	Document Period End Date DocumentPeriodEndDate	2023-03-31
CY2023Q1	dei	Document Transition Report DocumentTransitionReport	false
CY2023Q1	dei	Entity File Number EntityFileNumber	001-32141
CY2023Q1	dei	Entity Registrant Name EntityRegistrantName	ASSURED GUARANTY LTD.
CY2023Q1	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	D0
CY2023Q1	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	98-0429991
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CY2023Q1	dei	Entity Address City Or Town EntityAddressCityOrTown	Hamilton
CY2023Q1	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	HM 08
CY2023Q1	dei	Entity Address Country EntityAddressCountry	BM
CY2023Q1	dei	City Area Code CityAreaCode	441
CY2023Q1	dei	Local Phone Number LocalPhoneNumber	279-5700
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CY2023Q1	ago	Assetsof Consolidated Investment Vehicles AssetsofConsolidatedInvestmentVehicles	5118000000	usd
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CY2022Q1	ago	Other Comprehensive Income Loss Availableforsale Securities With Credit Impairment Tax OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentTax	-9000000	usd
CY2023Q1	ago	Other Comprehensive Income Loss Availableforsale Securities With Credit Impairment Netof Tax OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentNetofTax	5000000	usd
CY2022Q1	ago	Other Comprehensive Income Loss Availableforsale Securities With Credit Impairment Netof Tax OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentNetofTax	-39000000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	94000000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-377000000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option After Tax And Reclassification Adjustment OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustment	-1000000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option After Tax And Reclassification Adjustment OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustment	0	usd
CY2023Q1	ago	Other Comprehensive Income Loss Other Netof Tax Portion Attributable To Parent OtherComprehensiveIncomeLossOtherNetofTaxPortionAttributableToParent	2000000	usd
CY2022Q1	ago	Other Comprehensive Income Loss Other Netof Tax Portion Attributable To Parent OtherComprehensiveIncomeLossOtherNetofTaxPortionAttributableToParent	-1000000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	95000000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-378000000	usd
CY2023Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	192000000	usd
CY2022Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-303000000	usd
CY2023Q1	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	16000000	usd
CY2022Q1	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	9000000	usd
CY2023Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	176000000	usd
CY2022Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-312000000	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
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6478000000	usd
CY2022Q1	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	76000000	usd
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.25
CY2022Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	17000000	usd
CY2022Q1	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	5000000	usd
CY2022Q1	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	155000000	usd
CY2022Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-6000000	usd
CY2022Q1	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	8000000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-378000000	usd
CY2022Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5995000000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	312000000	usd
CY2022Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-892000000	usd
CY2023Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	225000000	usd
CY2022Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	68000000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	455000000	usd
CY2022Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	57000000	usd
CY2023Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	129000000	usd
CY2022Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	179000000	usd
CY2023Q1	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	12000000	usd
CY2022Q1	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	17000000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	3000000	usd
CY2022Q1	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	0	usd
CY2023Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	15000000	usd
CY2022Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	0	usd
CY2023Q1	ago	Paymentsfor Proceedsfrom Shortterm Investmentswith Maturitiesof Less Than Three Months PaymentsforProceedsfromShorttermInvestmentswithMaturitiesofLessThanThreeMonths	460000000	usd
CY2022Q1	ago	Paymentsfor Proceedsfrom Shortterm Investmentswith Maturitiesof Less Than Three Months PaymentsforProceedsfromShorttermInvestmentswithMaturitiesofLessThanThreeMonths	-656000000	usd
CY2023Q1	ago	Proceedsfrom Paydownson Financial Guaranty Variable Interest Entities Assets ProceedsfromPaydownsonFinancialGuarantyVariableInterestEntitiesAssets	7000000	usd
CY2022Q1	ago	Proceedsfrom Paydownson Financial Guaranty Variable Interest Entities Assets ProceedsfromPaydownsonFinancialGuarantyVariableInterestEntitiesAssets	18000000	usd
CY2023Q1	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	10000000	usd
CY2022Q1	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	5000000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Other Assets Investing Activities ProceedsFromSaleOfOtherAssetsInvestingActivities	5000000	usd
CY2022Q1	us-gaap	Proceeds From Sale Of Other Assets Investing Activities ProceedsFromSaleOfOtherAssetsInvestingActivities	31000000	usd
CY2023Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	1000000	usd
CY2022Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	1000000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-94000000	usd
CY2022Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	850000000	usd
CY2023Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	18000000	usd
CY2022Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	17000000	usd
CY2023Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2000000	usd
CY2022Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	152000000	usd
CY2023Q1	ago	Paydown Of Financial Guaranty Variable Interest Entities Liabilities PaydownOfFinancialGuarantyVariableInterestEntitiesLiabilities	9000000	usd
CY2022Q1	ago	Paydown Of Financial Guaranty Variable Interest Entities Liabilities PaydownOfFinancialGuarantyVariableInterestEntitiesLiabilities	41000000	usd
CY2023Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-15000000	usd
CY2022Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-10000000	usd
CY2023Q1	ago	Proceeds From Issuance Of Collateralized Loan Obligations ProceedsFromIssuanceOfCollateralizedLoanObligations	0	usd
CY2022Q1	ago	Proceeds From Issuance Of Collateralized Loan Obligations ProceedsFromIssuanceOfCollateralizedLoanObligations	371000000	usd
CY2023Q1	ago	Repayments Of Collateralized Loan Obligations RepaymentsOfCollateralizedLoanObligations	0	usd
CY2022Q1	ago	Repayments Of Collateralized Loan Obligations RepaymentsOfCollateralizedLoanObligations	372000000	usd
CY2023Q1	ago	Proceeds From Issuance Of Warehouse Loans And Equity ProceedsFromIssuanceOfWarehouseLoansAndEquity	0	usd
CY2022Q1	ago	Proceeds From Issuance Of Warehouse Loans And Equity ProceedsFromIssuanceOfWarehouseLoansAndEquity	215000000	usd
CY2023Q1	ago	Repaymentof Warehouse Loansand Equity RepaymentofWarehouseLoansandEquity	152000000	usd
CY2022Q1	ago	Repaymentof Warehouse Loansand Equity RepaymentofWarehouseLoansandEquity	0	usd
CY2023Q1	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-30000000	usd
CY2022Q1	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-1000000	usd
CY2023Q1	ago	Noncash Or Part Noncash Acquisition Investments Acquired Available For Sale NoncashOrPartNoncashAcquisitionInvestmentsAcquiredAvailableForSale	-1000000	usd
CY2022Q1	ago	Noncash Or Part Noncash Acquisition Investments Acquired Available For Sale NoncashOrPartNoncashAcquisitionInvestmentsAcquiredAvailableForSale	-610000000	usd
CY2023Q1	ago	Contributions From Noncontrolling Interests To Investment Vehicles ContributionsFromNoncontrollingInterestsToInvestmentVehicles	0	usd
CY2022Q1	ago	Contributions From Noncontrolling Interests To Investment Vehicles ContributionsFromNoncontrollingInterestsToInvestmentVehicles	3000000	usd
CY2023Q1	ago	Distributions To Noncontrolling Interests From Investment Vehicles DistributionsToNoncontrollingInterestsFromInvestmentVehicles	70000000	usd
CY2022Q1	ago	Distributions To Noncontrolling Interests From Investment Vehicles DistributionsToNoncontrollingInterestsFromInvestmentVehicles	6000000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-296000000	usd
CY2022Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-10000000	usd
CY2023Q1	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1000000	usd
CY2022Q1	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-1000000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-77000000	usd
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-53000000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	207000000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	342000000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	130000000	usd
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	289000000	usd
CY2023Q1	us-gaap	Interest Paid Net InterestPaidNet	10000000	usd
CY2022Q1	us-gaap	Interest Paid Net InterestPaidNet	9000000	usd
CY2023Q1	ago	Noncash Or Part Noncash Acquisition Investments Sold Available For Sale NoncashOrPartNoncashAcquisitionInvestmentsSoldAvailableForSale	0	usd
CY2022Q1	ago	Noncash Or Part Noncash Acquisition Investments Sold Available For Sale NoncashOrPartNoncashAcquisitionInvestmentsSoldAvailableForSale	27000000	usd
CY2023Q1	ago	Noncash Or Part Noncash Acquisition Investments Acquired Trading NoncashOrPartNoncashAcquisitionInvestmentsAcquiredTrading	0	usd
CY2022Q1	ago	Noncash Or Part Noncash Acquisition Investments Acquired Trading NoncashOrPartNoncashAcquisitionInvestmentsAcquiredTrading	-184000000	usd
CY2023Q1	ago	Noncash Or Part Noncash Acquisition Investments Sold Trading NoncashOrPartNoncashAcquisitionInvestmentsSoldTrading	0	usd
CY2022Q1	ago	Noncash Or Part Noncash Acquisition Investments Sold Trading NoncashOrPartNoncashAcquisitionInvestmentsSoldTrading	6000000	usd
CY2023Q1	ago	Payments To Acquire Debt Securities Fgvi Es Non Cash PaymentsToAcquireDebtSecuritiesFGVIEsNonCash	0	usd
CY2022Q1	ago	Payments To Acquire Debt Securities Fgvi Es Non Cash PaymentsToAcquireDebtSecuritiesFGVIEsNonCash	-54000000	usd
CY2023Q1	ago	Noncash Contributions From Noncontrolling Interests NoncashContributionsFromNoncontrollingInterests	3000000	usd
CY2022Q1	ago	Noncash Contributions From Noncontrolling Interests NoncashContributionsFromNoncontrollingInterests	2000000	usd
CY2023Q1	ago	Noncash Distributions To Noncontrolling Interests NoncashDistributionsToNoncontrollingInterests	3000000	usd
CY2022Q1	ago	Noncash Distributions To Noncontrolling Interests NoncashDistributionsToNoncontrollingInterests	2000000	usd
CY2023Q1	us-gaap	Cash Cash	118000000	usd
CY2022Q1	us-gaap	Cash Cash	119000000	usd
CY2023Q1	us-gaap	Restricted Cash RestrictedCash	0	usd
CY2022Q1	us-gaap	Restricted Cash RestrictedCash	12000000	usd
CY2023Q1	ago	Cashof Consolidated Investment Vehicles CashofConsolidatedInvestmentVehicles	-13000000	usd
CY2022Q1	ago	Cashof Consolidated Investment Vehicles CashofConsolidatedInvestmentVehicles	158000000	usd
CY2023Q1	us-gaap	Disposal Group Including Discontinued Operation Cash And Cash Equivalents DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents	25000000	usd
CY2022Q1	us-gaap	Disposal Group Including Discontinued Operation Cash And Cash Equivalents DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents	0	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	130000000	usd
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	289000000	usd
CY2023Q1	ago	Holding Companieswith Outstanding Public Debt Number HoldingCompanieswithOutstandingPublicDebtNumber	2	company
CY2023Q1	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
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
CY2022Q1	us-gaap	Revenues Revenues	300000000	usd
CY2022Q1	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	196000000	usd
CY2022Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-11000000	usd
CY2022Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	18000000	usd
CY2022Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	9000000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	66000000	usd
CY2023Q1	ago	Insured Financial Obligations Loss Mitigation Securities InsuredFinancialObligationsLossMitigationSecurities	1300000000	usd
CY2022Q4	ago	Insured Financial Obligations Loss Mitigation Securities InsuredFinancialObligationsLossMitigationSecurities	1300000000	usd
CY2023Q1	ago	Insured Financial Obligations Insured Contractual Payments Outstanding Gross InsuredFinancialObligationsInsuredContractualPaymentsOutstandingGross	374698000000	usd
CY2023Q1	ago	Insured Financial Obligations Insured Contractual Payments Outstanding Net InsuredFinancialObligationsInsuredContractualPaymentsOutstandingNet	374475000000	usd
CY2022Q4	ago	Insured Financial Obligations Insured Contractual Payments Outstanding Gross InsuredFinancialObligationsInsuredContractualPaymentsOutstandingGross	370172000000	usd
CY2022Q4	ago	Insured Financial Obligations Insured Contractual Payments Outstanding Net InsuredFinancialObligationsInsuredContractualPaymentsOutstandingNet	369951000000	usd
CY2023Q1	ago	Insured Financial Obligations Outstanding Principal Amount Gross InsuredFinancialObligationsOutstandingPrincipalAmountGross	236565000000	usd
CY2023Q1	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	236383000000	usd
CY2022Q4	ago	Insured Financial Obligations Outstanding Principal Amount Gross InsuredFinancialObligationsOutstandingPrincipalAmountGross	233438000000	usd
CY2022Q4	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	233258000000	usd
CY2023Q1	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	236383000000	usd
CY2023Q1	ago	Insured Financial Obligations Outstanding Principle Amount Percentage InsuredFinancialObligationsOutstandingPrincipleAmountPercentage	1.000
CY2022Q4	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	233258000000	usd
CY2022Q4	ago	Insured Financial Obligations Outstanding Principle Amount Percentage InsuredFinancialObligationsOutstandingPrincipleAmountPercentage	1.000
CY2023Q1	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	236383000000	usd
CY2022Q4	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	233258000000	usd
CY2022Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarranties	-44000000	usd
CY2023Q1	ago	Insured Financial Obligations Claim Liability Weighted Average Risk Free Discount Rate InsuredFinancialObligationsClaimLiabilityWeightedAverageRiskFreeDiscountRate	0.0375
CY2023Q1	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	1600000000	usd
CY2023Q1	ago	Insured Financial Obligations Insured Credit Performanceof Guaranteed Obligations Term InsuredFinancialObligationsInsuredCreditPerformanceofGuaranteedObligationsTerm	P30Y
CY2023Q1	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	517000000	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
CY2022Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	522000000	usd
CY2021Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	411000000	usd
CY2023Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Accretion Of Discount GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesAccretionOfDiscount	5000000	usd
CY2022Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Accretion Of Discount GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesAccretionOfDiscount	2000000	usd
CY2023Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Changes In Discount Rates GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesChangesInDiscountRates	10000000	usd
CY2022Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Changes In Discount Rates GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesChangesInDiscountRates	-47000000	usd
CY2023Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Changes In Timing And Assumptions GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesChangesInTimingAndAssumptions	-4000000	usd
CY2022Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Changes In Timing And Assumptions GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesChangesInTimingAndAssumptions	1000000	usd
CY2023Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarranties	11000000	usd
CY2022Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarranties	-44000000	usd
CY2023Q1	ago	Guarantor Obligations Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAfterRecoveriesforRepresentationsandWarranties	16000000	usd
CY2022Q1	ago	Guarantor Obligations Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAfterRecoveriesforRepresentationsandWarranties	-65000000	usd
CY2023Q1	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	517000000	usd
CY2022Q1	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	432000000	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
CY2021Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	411000000	usd
CY2022Q1	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarranties	-44000000	usd
CY2022Q1	ago	Guarantor Obligations Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAfterRecoveriesforRepresentationsandWarranties	-65000000	usd
CY2022Q1	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	432000000	usd
CY2022Q1	ago	Reinsurance Recoverables Periodafter Endof Reporting Periodfor Settlementof Ceded Paid Losses ReinsuranceRecoverablesPeriodafterEndofReportingPeriodforSettlementofCededPaidLosses	P45D
CY2023Q1	ago	Reinsurance Recoverables Periodafter Endof Reporting Periodfor Settlementof Ceded Paid Losses ReinsuranceRecoverablesPeriodafterEndofReportingPeriodforSettlementofCededPaidLosses	P45D
CY2023Q1	ago	Insured Financial Obligations Liabilityfor Unpaid Claims Adjustment Expense Claims Paid InsuredFinancialObligationsLiabilityforUnpaidClaimsAdjustmentExpenseClaimsPaid	3000000	usd
CY2022Q1	ago	Insured Financial Obligations Liabilityfor Unpaid Claims Adjustment Expense Claims Paid InsuredFinancialObligationsLiabilityforUnpaidClaimsAdjustmentExpenseClaimsPaid	13000000	usd
CY2023Q1	ago	Expected Loss Adjustment Expense To Be Paid ExpectedLossAdjustmentExpenseToBePaid	9000000	usd
CY2022Q4	ago	Expected Loss Adjustment Expense To Be Paid ExpectedLossAdjustmentExpenseToBePaid	11000000	usd
CY2023Q1	ago	Additional Loss Recovery Assumption Recovery Period AdditionalLossRecoveryAssumptionRecoveryPeriod	P5Y
CY2023Q1	ago	Financial Guarantee Insurance Contracts Scheduled Net Earned Premiums FinancialGuaranteeInsuranceContractsScheduledNetEarnedPremiums	69000000	usd
CY2022Q1	ago	Financial Guarantee Insurance Contracts Scheduled Net Earned Premiums FinancialGuaranteeInsuranceContractsScheduledNetEarnedPremiums	79000000	usd
CY2023Q1	us-gaap	Financial Guarantee Insurance Contracts Accelerated Premium Revenue Amount FinancialGuaranteeInsuranceContractsAcceleratedPremiumRevenueAmount	4000000	usd
CY2022Q1	us-gaap	Financial Guarantee Insurance Contracts Accelerated Premium Revenue Amount FinancialGuaranteeInsuranceContractsAcceleratedPremiumRevenueAmount	128000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Net Premiums Receivable Adjustment Accretionof Discounton Net Premium Receivable FinancialGuaranteeInsuranceContractsNetPremiumsReceivableAdjustmentAccretionofDiscountonNetPremiumReceivable	-7000000	usd
CY2022Q1	ago	Financial Guarantee Insurance Contracts Net Premiums Receivable Adjustment Accretionof Discounton Net Premium Receivable FinancialGuaranteeInsuranceContractsNetPremiumsReceivableAdjustmentAccretionofDiscountonNetPremiumReceivable	-6000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Premiums Earned Net FinancialGuaranteeInsuranceContractsPremiumsEarnedNet	80000000	usd
CY2022Q1	ago	Financial Guarantee Insurance Contracts Premiums Earned Net FinancialGuaranteeInsuranceContractsPremiumsEarnedNet	213000000	usd
CY2023Q1	ago	Premiums Earned Net Specialty Insuranceand Reinsurance PremiumsEarnedNetSpecialtyInsuranceandReinsurance	1000000	usd
CY2022Q1	ago	Premiums Earned Net Specialty Insuranceand Reinsurance PremiumsEarnedNetSpecialtyInsuranceandReinsurance	1000000	usd
CY2023Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	81000000	usd
CY2022Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	214000000	usd
CY2022Q4	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable FinancialGuaranteeInsuranceContractsPremiumReceivable	1298000000	usd
CY2021Q4	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable FinancialGuaranteeInsuranceContractsPremiumReceivable	1372000000	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Premium Receivable Specialty Insurance FinancialGuaranteeInsuranceContractsPremiumReceivableSpecialtyInsurance	1000000	usd
CY2021Q4	ago	Financial Guarantee Insurance Contracts Premium Receivable Specialty Insurance FinancialGuaranteeInsuranceContractsPremiumReceivableSpecialtyInsurance	1000000	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Premium Receivable Excluding Other Non Financial Guarantee FinancialGuaranteeInsuranceContractsPremiumReceivableExcludingOtherNonFinancialGuarantee	1297000000	usd
CY2021Q4	ago	Financial Guarantee Insurance Contracts Premium Receivable Excluding Other Non Financial Guarantee FinancialGuaranteeInsuranceContractsPremiumReceivableExcludingOtherNonFinancialGuarantee	1371000000	usd
CY2023Q1	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable New Business Written FinancialGuaranteeInsuranceContractsPremiumReceivableNewBusinessWritten	79000000	usd
CY2022Q1	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable New Business Written FinancialGuaranteeInsuranceContractsPremiumReceivableNewBusinessWritten	61000000	usd
CY2023Q1	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable Proceeds From Premiums Received FinancialGuaranteeInsuranceContractsPremiumReceivableProceedsFromPremiumsReceived	64000000	usd
CY2022Q1	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable Proceeds From Premiums Received FinancialGuaranteeInsuranceContractsPremiumReceivableProceedsFromPremiumsReceived	83000000	usd
CY2023Q1	us-gaap	Financial Guarantee Insurance Contracts Premiums Receivable Adjustment Change In Period Of Contract FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentChangeInPeriodOfContract	6000000	usd
CY2022Q1	us-gaap	Financial Guarantee Insurance Contracts Premiums Receivable Adjustment Change In Period Of Contract FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentChangeInPeriodOfContract	8000000	usd
CY2023Q1	us-gaap	Financial Guarantee Insurance Contracts Premiums Receivable Accretion Of Discount On Premium Receivable FinancialGuaranteeInsuranceContractsPremiumsReceivableAccretionOfDiscountOnPremiumReceivable	7000000	usd
CY2022Q1	us-gaap	Financial Guarantee Insurance Contracts Premiums Receivable Accretion Of Discount On Premium Receivable FinancialGuaranteeInsuranceContractsPremiumsReceivableAccretionOfDiscountOnPremiumReceivable	6000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Premiums Receivable Adjustment Foreign Exchange Translation FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentForeignExchangeTranslation	20000000	usd
CY2022Q1	ago	Financial Guarantee Insurance Contracts Premiums Receivable Adjustment Foreign Exchange Translation FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentForeignExchangeTranslation	-29000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Premium Receivable Excluding Other Non Financial Guarantee FinancialGuaranteeInsuranceContractsPremiumReceivableExcludingOtherNonFinancialGuarantee	1345000000	usd
CY2022Q1	ago	Financial Guarantee Insurance Contracts Premium Receivable Excluding Other Non Financial Guarantee FinancialGuaranteeInsuranceContractsPremiumReceivableExcludingOtherNonFinancialGuarantee	1334000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Premium Receivable Specialty Insurance FinancialGuaranteeInsuranceContractsPremiumReceivableSpecialtyInsurance	1000000	usd
CY2022Q1	ago	Financial Guarantee Insurance Contracts Premium Receivable Specialty Insurance FinancialGuaranteeInsuranceContractsPremiumReceivableSpecialtyInsurance	1000000	usd
CY2023Q1	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable FinancialGuaranteeInsuranceContractsPremiumReceivable	1346000000	usd
CY2022Q1	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable FinancialGuaranteeInsuranceContractsPremiumReceivable	1335000000	usd
CY2023Q1	us-gaap	Financial Guarantee Insurance Contracts Claim Liability Weighted Average Risk Free Discount Rate FinancialGuaranteeInsuranceContractsClaimLiabilityWeightedAverageRiskFreeDiscountRate	0.0384
CY2022	us-gaap	Financial Guarantee Insurance Contracts Claim Liability Weighted Average Risk Free Discount Rate FinancialGuaranteeInsuranceContractsClaimLiabilityWeightedAverageRiskFreeDiscountRate	0.0415
CY2023Q1	ago	Reserve For Losses And Loss Adjustment Expenses Net Of Reinsurance And Salvage And Subrogation Recoveries ReserveForLossesAndLossAdjustmentExpensesNetOfReinsuranceAndSalvageAndSubrogationRecoveries	32000000	usd
CY2022Q4	ago	Reserve For Losses And Loss Adjustment Expenses Net Of Reinsurance And Salvage And Subrogation Recoveries ReserveForLossesAndLossAdjustmentExpensesNetOfReinsuranceAndSalvageAndSubrogationRecoveries	37000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Loss To Be Expensed During First Quarter Following Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLossToBeExpensedDuringFirstQuarterFollowingBalanceSheetDate	3000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Losstobe Expensed During Second Quarter Following Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLosstobeExpensedDuringSecondQuarterFollowingBalanceSheetDate	3000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Loss To Be Expensed During Fourth Quarter Following Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLossToBeExpensedDuringFourthQuarterFollowingBalanceSheetDate	3000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Loss To Be Expensed During Remainder Of Fiscal Year Following Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLossToBeExpensedDuringRemainderOfFiscalYearFollowingBalanceSheetDate	9000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Loss To Be Expensed In First Full Fiscal Year FinancialGuaranteeInsuranceContractsFutureExpectedNetLossToBeExpensedInFirstFullFiscalYear	12000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Losstobe Expensedin Second Full Fiscal Year FinancialGuaranteeInsuranceContractsFutureExpectedNetLosstobeExpensedinSecondFullFiscalYear	12000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Losstobe Expensedin Third Full Fiscal Year FinancialGuaranteeInsuranceContractsFutureExpectedNetLosstobeExpensedinThirdFullFiscalYear	17000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Losstobe Expensedin Fourth Full Fiscal Year FinancialGuaranteeInsuranceContractsFutureExpectedNetLosstobeExpensedinFourthFullFiscalYear	15000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Loss To Be Expensed More Than Four And Within9 Years From Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLossToBeExpensedMoreThanFourAndWithin9YearsFromBalanceSheetDate	61000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Loss To Be Expensed More Than9 And Within14 Years From Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLossToBeExpensedMoreThan9AndWithin14YearsFromBalanceSheetDate	49000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Loss To Be Expensed More Than14 And Within19 Years From Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLossToBeExpensedMoreThan14AndWithin19YearsFromBalanceSheetDate	8000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Future Expected Net Loss To Be Expensed Beyond Nineteenth Fiscal Year From Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLossToBeExpensedBeyondNineteenthFiscalYearFromBalanceSheetDate	12000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Net Losstobe Expensed Present Value FinancialGuaranteeInsuranceContractsNetLosstobeExpensedPresentValue	195000000	usd
CY2023Q1	ago	Scheduleof Insured Financial Obligationswith Credit Deterioration Reductionsof Gross Claim Liability Netof Reinsurance Recoverable Discount ScheduleofInsuredFinancialObligationswithCreditDeteriorationReductionsofGrossClaimLiabilityNetofReinsuranceRecoverableDiscount	66000000	usd
CY2023Q1	ago	Financial Guarantee Insurance Contracts Net Losstobe Expensed Undiscounted FinancialGuaranteeInsuranceContractsNetLosstobeExpensedUndiscounted	261000000	usd
CY2023Q1	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	4000000	usd
CY2022Q1	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	57000000	usd
CY2023Q1	us-gaap	Average Term Of Credit Risk Derivatives1 AverageTermOfCreditRiskDerivatives1	P12Y7M6D
CY2022	us-gaap	Average Term Of Credit Risk Derivatives1 AverageTermOfCreditRiskDerivatives1	P12Y9M18D
CY2023Q1	ago	Financial Guaranty Contracts Accountedforas Credit Derivatives Outstanding Principal Amount FinancialGuarantyContractsAccountedforasCreditDerivativesOutstandingPrincipalAmount	3262000000	usd
CY2023Q1	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	-148000000	usd
CY2022Q4	ago	Financial Guaranty Contracts Accountedforas Credit Derivatives Outstanding Principal Amount FinancialGuarantyContractsAccountedforasCreditDerivativesOutstandingPrincipalAmount	3203000000	usd
CY2022Q4	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	-162000000	usd
CY2022Q4	ago	Expected Loss On Credit Derivative To Be Paid Recovered Including Representation And Warranty Liability Benefit ExpectedLossOnCreditDerivativeToBePaidRecoveredIncludingRepresentationAndWarrantyLiabilityBenefit	3000000	usd
CY2023Q1	ago	Expected Loss On Credit Derivative To Be Paid Recovered Including Representation And Warranty Liability Benefit ExpectedLossOnCreditDerivativeToBePaidRecoveredIncludingRepresentationAndWarrantyLiabilityBenefit	3000000	usd
CY2023Q1	ago	Credit Derivative Realized Gain Lossand Other Settlements CreditDerivativeRealizedGainLossandOtherSettlements	1000000	usd
CY2022Q1	ago	Credit Derivative Realized Gain Lossand Other Settlements CreditDerivativeRealizedGainLossandOtherSettlements	-1000000	usd
CY2023Q1	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	14000000	usd
CY2022Q1	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-2000000	usd
CY2023Q1	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	15000000	usd
CY2022Q1	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-3000000	usd
CY2023Q1	ago	Credit Risk Derivatives At Fair Value Before Effect Of Credit Spread Net CreditRiskDerivativesAtFairValueBeforeEffectOfCreditSpreadNet	-209000000	usd
CY2022Q4	ago	Credit Risk Derivatives At Fair Value Before Effect Of Credit Spread Net CreditRiskDerivativesAtFairValueBeforeEffectOfCreditSpreadNet	-207000000	usd
CY2023Q1	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Liabilities DerivativeCreditRiskValuationAdjustmentDerivativeLiabilities	61000000	usd
CY2022Q4	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Liabilities DerivativeCreditRiskValuationAdjustmentDerivativeLiabilities	45000000	usd
CY2023Q1	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	-148000000	usd
CY2022Q4	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	-162000000	usd
CY2023Q1	ago	Numberof Outside Managers Managing Investment Portfolio NumberofOutsideManagersManagingInvestmentPortfolio	3	manager
CY2023Q1	us-gaap	Trading Securities Debt TradingSecuritiesDebt	300000000	usd
CY2022Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	303000000	usd
CY2023Q1	us-gaap	Short Term Investments ShortTermInvestments	1273000000	usd
CY2022Q4	us-gaap	Short Term Investments ShortTermInvestments	810000000	usd
CY2023Q1	us-gaap	Investments Investments	8582000000	usd
CY2022Q4	us-gaap	Investments Investments	8365000000	usd
CY2023Q1	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	76000000	usd
CY2022Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	71000000	usd
CY2023Q1	ago	Percentageof Availableforsale Securitiesat Amortized Cost PercentageofAvailableforsaleSecuritiesatAmortizedCost	1
CY2023Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	7359000000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	69000000	usd
CY2023Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	75000000	usd
CY2023Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	496000000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	6869000000	usd
CY2022Q4	ago	Percentageof Availableforsale Securitiesat Amortized Cost PercentageofAvailableforsaleSecuritiesatAmortizedCost	1
CY2022Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	7707000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	65000000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	65000000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	588000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	7119000000	usd
CY2023Q1	ago	Government Agency Obligations As Percentage Of Total Mortgage Backed Securities GovernmentAgencyObligationsAsPercentageOfTotalMortgageBackedSecurities	0.32
CY2022Q4	ago	Government Agency Obligations As Percentage Of Total Mortgage Backed Securities GovernmentAgencyObligationsAsPercentageOfTotalMortgageBackedSecurities	0.30
CY2023Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	1584000000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	32000000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	2499000000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	333000000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	4083000000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	365000000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	602	security
CY2023Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	1006	security
CY2023Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	1568	security
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	3751000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	213000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	1017000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	239000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	4768000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	452000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	1340	security
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	466	security
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	1776	security
CY2023Q1	ago	Available For Sale Securities Continuous Unrealized Loss Position Greater Than10 Percent Of Book Value Twelve Months Or Longer Number AvailableForSaleSecuritiesContinuousUnrealizedLossPositionGreaterThan10PercentOfBookValueTwelveMonthsOrLongerNumber	482	security
CY2022Q4	ago	Available For Sale Securities Continuous Unrealized Loss Position Greater Than10 Percent Of Book Value Twelve Months Or Longer Number AvailableForSaleSecuritiesContinuousUnrealizedLossPositionGreaterThan10PercentOfBookValueTwelveMonthsOrLongerNumber	567	security
CY2023Q1	ago	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Greater Than10 Percent Book Value Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerGreaterThan10PercentBookValueAggregateLosses	253000000	usd
CY2022Q4	ago	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Greater Than10 Percent Book Value Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerGreaterThan10PercentBookValueAggregateLosses	329000000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis	289000000	usd
CY2022Q1	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	9000000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	283000000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis	1636000000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	1531000000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis	1720000000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	1636000000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis	3018000000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue	2811000000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	7359000000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	6869000000	usd
CY2023Q1	us-gaap	Assets Held In Trust AssetsHeldInTrust	229000000	usd
CY2022Q4	us-gaap	Assets Held In Trust AssetsHeldInTrust	222000000	usd
CY2023Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	82000000	usd
CY2022Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	63000000	usd
CY2023Q1	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	1000000	usd
CY2022Q1	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	1000000	usd
CY2023Q1	us-gaap	Net Investment Income NetInvestmentIncome	81000000	usd
CY2022Q1	us-gaap	Net Investment Income NetInvestmentIncome	62000000	usd
CY2023Q1	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	-2000000	usd
CY2022Q1	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	-4000000	usd
CY2023Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2000000	usd
CY2022Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-11000000	usd
CY2023Q1	us-gaap	Fair Value Asset Liability Recurring Basis Still Held Unrealized Gain Loss FairValueAssetLiabilityRecurringBasisStillHeldUnrealizedGainLoss	-2000000	usd
CY2022Q1	us-gaap	Fair Value Asset Liability Recurring Basis Still Held Unrealized Gain Loss FairValueAssetLiabilityRecurringBasisStillHeldUnrealizedGainLoss	-4000000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	12000000	usd
CY2022Q1	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	2000000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Period Increase Decrease DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossPeriodIncreaseDecrease	-5000000	usd
CY2022Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Period Increase Decrease DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossPeriodIncreaseDecrease	-5000000	usd
CY2023Q1	ago	Net Realized Investment Gains Losses NetRealizedInvestmentGainsLosses	0	usd
CY2022Q1	ago	Net Realized Investment Gains Losses NetRealizedInvestmentGainsLosses	10000000	usd
CY2023Q1	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	-2000000	usd
CY2022Q1	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	3000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	65000000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	42000000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Not Previously Recorded DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossNotPreviouslyRecorded	0	usd
CY2022Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Not Previously Recorded DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossNotPreviouslyRecorded	4000000	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
CY2022Q1	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	1000000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	69000000	usd
CY2022Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	47000000	usd
CY2023Q1	ago	Variable Interest Entity Other Consolidated Carrying Amount Assets VariableInterestEntityOtherConsolidatedCarryingAmountAssets	89000000	usd
CY2023Q1	ago	Variable Interest Entity Other Consolidated Carrying Amount Liabilities VariableInterestEntityOtherConsolidatedCarryingAmountLiabilities	10000000	usd
CY2022Q4	ago	Variable Interest Entity Other Consolidated Carrying Amount Assets VariableInterestEntityOtherConsolidatedCarryingAmountAssets	86000000	usd
CY2022Q4	ago	Variable Interest Entity Other Consolidated Carrying Amount Liabilities VariableInterestEntityOtherConsolidatedCarryingAmountLiabilities	12000000	usd
CY2023Q1	ago	Variable Interest Entity Numberof Policies Monitored VariableInterestEntityNumberofPoliciesMonitored	15000	policy
CY2023Q1	ago	Variable Interest Entity Numberof Policies Monitored Not Withinthe Scopeof Asc810 VariableInterestEntityNumberofPoliciesMonitoredNotWithintheScopeofASC810	14000	policy
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CY2023Q1	us-gaap	Tax Credit Carryforward Valuation Allowance TaxCreditCarryforwardValuationAllowance	5000000	usd
CY2022Q4	us-gaap	Tax Credit Carryforward Valuation Allowance TaxCreditCarryforwardValuationAllowance	5000000	usd
CY2023Q1	ago	Deferred Tax Assets Realization Assessment Period For Which Cumulative Operating Income Considered DeferredTaxAssetsRealizationAssessmentPeriodForWhichCumulativeOperatingIncomeConsidered	P3Y
CY2023Q1	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	20000000	usd
CY2022Q1	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	14000000	usd
CY2023Q1	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	3000000	usd
CY2022Q1	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	3000000	usd
CY2023Q1	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	3000000	usd
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CY2023Q1	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3000000	usd
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CY2022Q1	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	1000000	usd
CY2023Q1	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	1000000	usd
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CY2023Q1	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	0	usd
CY2022Q1	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	2000000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23000000	usd
CY2022Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	18000000	usd
CY2023Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.191
CY2022Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.200
CY2023Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	120000000	usd
CY2022Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	93000000	usd
CY2023Q1	us-gaap	Revenues Revenues	283000000	usd
CY2022Q1	us-gaap	Revenues Revenues	300000000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	92000000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	95000000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-384000000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-378000000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	81000000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	66000000	usd
CY2023Q1	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	0	usd
CY2022Q1	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	0	usd
CY2023Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	81000000	usd
CY2022Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	66000000	usd
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59100000	shares
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	66300000	shares
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.37
CY2022Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.00
CY2023Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	81000000	usd
CY2022Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	66000000	usd
CY2023Q1	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	0	usd
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CY2023Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	81000000	usd
CY2022Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	66000000	usd
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59100000	shares
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	66300000	shares
CY2023Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1300000	shares
CY2022Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1100000	shares
CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	60400000	shares
CY2022Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	67400000	shares
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.34
CY2022Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.98
CY2023Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	100000	shares
CY2022Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	200000	shares

Files In Submission

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$AGO
ASSURED GUARANTY LTD Stock $ago

2023 Q2 Form 10-Q Financial Statement

#000127381323000031 Filed on May 10, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AGO ASSURED GUARANTY LTD Stock $ago

2023 Q2 Form 10-Q Financial Statement

#000127381323000031 Filed on May 10, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AGO
ASSURED GUARANTY LTD Stock $ago