10-Q Filing

ASSURED GUARANTY LTD CIK: 1273813 Q3 2022

Filing Information

Form Type	10-Q
Accession Number	`0001273813-22-000041`
Period End Date	20220930
Filing Date	20221108
Fiscal Year	2022
Fiscal Period	Q3
XBRL Instance	ago-20220930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 99 Income Statement 112 Cash Flow Statement 97 Stockholders Equity 44 Comprehensive Income 48

Balance Sheet 99 line items

Line Item	Tag	Value	Unit	Period
Allowance for credit loss	`DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest`	$57.00M	USD	Point-in-time
Allowance for credit loss	`DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest`	$39.00M	USD	Point-in-time
Allowance for credit loss	`DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest`	$78.00M	USD	Point-in-time
Allowance for credit loss	`DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest`	$35.00M	USD	Point-in-time
Allowance for credit loss	`DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest`	$42.00M	USD	Point-in-time
Allowance for credit loss	`DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest`	$51.00M	USD	Point-in-time
Amortized cost	`DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss`	$7.51B	USD	Point-in-time
Amortized cost	`DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss`	$7.82B	USD	Point-in-time
Fixed-maturity securities, available-for-sale, at fair value, net of allowance for credit loss of $57 and $42 (amortized cost of $7,506 and $7,822)	`DebtSecuritiesAvailableForSaleExcludingAccruedInterest`	$6.78B	USD	Point-in-time
Other invested assets fair value disclosure	`OtherInvestmentsFairValueDisclosure`	$24.00M	USD	Point-in-time
Other invested assets fair value disclosure	`OtherInvestmentsFairValueDisclosure`	$31.00M	USD	Point-in-time
Fixed-maturity securities, available-for-sale, at fair value, net of allowance for credit loss of $57 and $42 (amortized cost of $7,506 and $7,822)	`DebtSecuritiesAvailableForSaleExcludingAccruedInterest`	$8.20B	USD	Point-in-time
Fixed-maturity securities, trading, at fair value	`TradingSecuritiesDebt`	$393.00M	USD	Point-in-time
Assets of consolidated investment vehicles, fair value disclosure	`AssetsofConsolidatedInvestmentVehiclesFairValueDisclosure`	$5.15B	USD	Point-in-time
Fixed-maturity securities, trading, at fair value	`TradingSecuritiesDebt`	-	USD	Point-in-time
Assets of consolidated investment vehicles, fair value disclosure	`AssetsofConsolidatedInvestmentVehiclesFairValueDisclosure`	$4.90B	USD	Point-in-time
Other assets, fair value disclosure	`OtherAssetsFairValueDisclosure`	$129.00M	USD	Point-in-time
Other assets, fair value disclosure	`OtherAssetsFairValueDisclosure`	$132.00M	USD	Point-in-time
Short-term investments, at fair value	`OtherShortTermInvestments`	$1.18B	USD	Point-in-time
Short-term investments, at fair value	`OtherShortTermInvestments`	$1.23B	USD	Point-in-time
Other invested assets (includes $24 and $31, at fair value)	`OtherInvestments`	$181.00M	USD	Point-in-time
Other invested assets (includes $24 and $31, at fair value)	`OtherInvestments`	$130.00M	USD	Point-in-time
Financial guaranty variable interest entities' liabilities, with recourse	`VariableInterestEntityConsolidatedCarryingAmountLiabilitiesWithRecourse`	$238.00M	USD	Point-in-time
Financial guaranty variable interest entities' liabilities, with recourse	`VariableInterestEntityConsolidatedCarryingAmountLiabilitiesWithRecourse`	$269.00M	USD	Point-in-time
Financial guaranty variable interest entities' liabilities, without recourse	`VariableInterestEntityConsolidatedCarryingAmountLiabilitiesWithoutRecourse`	$13.00M	USD	Point-in-time
Total investments	`Investments`	$9.61B	USD	Point-in-time
Financial guaranty variable interest entities' liabilities, without recourse	`VariableInterestEntityConsolidatedCarryingAmountLiabilitiesWithoutRecourse`	$20.00M	USD	Point-in-time
Total investments	`Investments`	$8.48B	USD	Point-in-time
Liabilities of consolidated investment vehicles, fair value disclosure	`LiabilitiesofConsolidatedInvestmentVehiclesFairValueDisclosure`	$3.85B	USD	Point-in-time
Liabilities of consolidated investment vehicles, fair value disclosure	`LiabilitiesofConsolidatedInvestmentVehiclesFairValueDisclosure`	$4.21B	USD	Point-in-time
Cash	`Cash`	$101.00M	USD	Point-in-time
Cash	`Cash`	$120.00M	USD	Point-in-time
Cash	`Cash`	$131.00M	USD	Point-in-time
Premiums receivable, net of commissions payable	`PremiumsReceivableAtCarryingValue`	$1.18B	USD	Point-in-time
Common stock par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Premiums receivable, net of commissions payable	`PremiumsReceivableAtCarryingValue`	$1.37B	USD	Point-in-time
Common stock par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Deferred acquisition costs	`DeferredPolicyAcquisitionCosts`	$131.00M	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	500.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	500.00M	shares	Point-in-time
Deferred acquisition costs	`DeferredPolicyAcquisitionCosts`	$142.00M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	60.72M	shares	Point-in-time
Salvage and subrogation recoverable	`SalvageAndSubrogationRecoveriesValue`	$801.00M	USD	Point-in-time
Salvage and subrogation recoverable	`SalvageAndSubrogationRecoveriesValue`	$385.00M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	67.52M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	60.72M	shares	Point-in-time
Financial guaranty variable interest entities assets, at fair value	`FinancialGuarantyOfVariableInterestEntitiesAssetsHeld`	$236.00M	USD	Point-in-time
Financial guaranty variable interest entities assets, at fair value	`FinancialGuarantyOfVariableInterestEntitiesAssetsHeld`	$260.00M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	67.52M	shares	Point-in-time
Assets of consolidated investment vehicles (includes $5,151 and $4,902, at fair value)	`AssetsofConsolidatedInvestmentVehicles`	$5.34B	USD	Point-in-time
Assets of consolidated investment vehicles (includes $5,151 and $4,902, at fair value)	`AssetsofConsolidatedInvestmentVehicles`	$5.27B	USD	Point-in-time
Accumulated other comprehensive income, tax provision	`AociTaxAttributableToParent`	$-100.00M	USD	Point-in-time
Accumulated other comprehensive income, tax provision	`AociTaxAttributableToParent`	$60.00M	USD	Point-in-time
Goodwill and other intangible assets	`IntangibleAssetsNetIncludingGoodwill`	$166.00M	USD	Point-in-time
Goodwill and other intangible assets	`IntangibleAssetsNetIncludingGoodwill`	$175.00M	USD	Point-in-time
Other assets (includes $129 and $132, at fair value)	`OtherAssets`	$606.00M	USD	Point-in-time
Other assets (includes $129 and $132, at fair value)	`OtherAssets`	$470.00M	USD	Point-in-time
Total assets	`Assets`	$16.66B	USD	Point-in-time
Total assets	`Assets`	$18.21B	USD	Point-in-time
Unearned premium reserve	`UnearnedPremiums`	$3.72B	USD	Point-in-time
Unearned premium reserve	`UnearnedPremiums`	$3.60B	USD	Point-in-time
Loss and loss adjustment expense reserve	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$882.00M	USD	Point-in-time
Loss and loss adjustment expense reserve	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$869.00M	USD	Point-in-time
Long-term debt	`LongTermDebt`	$1.67B	USD	Point-in-time
Long-term debt	`LongTermDebt`	$1.68B	USD	Point-in-time
Credit derivative liabilities, at fair value	`CreditRiskDerivativeLiabilitiesAtFairValue`	$156.00M	USD	Point-in-time
Credit derivative liabilities, at fair value	`CreditRiskDerivativeLiabilitiesAtFairValue`	$195.00M	USD	Point-in-time
Financial guaranty variable interest entities liabilities, at fair value (with recourse $238 and $269, without recourse $13 and $20)	`VariableInterestEntityConsolidatedLiabilitiesAtFairValue`	$289.00M	USD	Point-in-time
Financial guaranty variable interest entities liabilities, at fair value (with recourse $238 and $269, without recourse $13 and $20)	`VariableInterestEntityConsolidatedLiabilitiesAtFairValue`	$251.00M	USD	Point-in-time
Liabilities of consolidated investment vehicles (includes $4,209 and $3,849, at fair value)	`LiabilitiesofConsolidatedInvestmentsVehicles`	$4.45B	USD	Point-in-time
Liabilities of consolidated investment vehicles (includes $4,209 and $3,849, at fair value)	`LiabilitiesofConsolidatedInvestmentsVehicles`	$4.44B	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$569.00M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$440.00M	USD	Point-in-time
Total liabilities	`Liabilities`	$11.49B	USD	Point-in-time
Total liabilities	`Liabilities`	$11.71B	USD	Point-in-time
Commitments and contingencies (Note 13)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 13)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Redeemable noncontrolling interests (Note 8)	`RedeemableNoncontrollingInterestEquityOtherCarryingAmount`	$22.00M	USD	Point-in-time
Redeemable noncontrolling interests (Note 8)	`RedeemableNoncontrollingInterestEquityOtherCarryingAmount`	$21.00M	USD	Point-in-time
Common shares ($0.01 par value, 500,000,000 shares authorized; 60,719,431 and 67,518,424 shares issued and outstanding)	`CommonStockValue`	$1.00M	USD	Point-in-time
Common shares ($0.01 par value, 500,000,000 shares authorized; 60,719,431 and 67,518,424 shares issued and outstanding)	`CommonStockValue`	$1.00M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.99B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.58B	USD	Point-in-time
Accumulated other comprehensive income (loss), net of tax of $(100) and $60	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-652.00M	USD	Point-in-time
Accumulated other comprehensive income (loss), net of tax of $(100) and $60	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$300.00M	USD	Point-in-time
Deferred equity compensation	`CompensationAndBenefitsTrust`	$1.00M	USD	Point-in-time
Deferred equity compensation	`CompensationAndBenefitsTrust`	$1.00M	USD	Point-in-time
Total shareholders equity attributable to Assured Guaranty Ltd.	`StockholdersEquity`	$6.29B	USD	Point-in-time
Total shareholders equity attributable to Assured Guaranty Ltd.	`StockholdersEquity`	$4.93B	USD	Point-in-time
Nonredeemable noncontrolling interests (Note 8)	`MinorityInterest`	$186.00M	USD	Point-in-time
Nonredeemable noncontrolling interests (Note 8)	`MinorityInterest`	$224.00M	USD	Point-in-time
Total shareholders equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.38B	USD	Point-in-time
Total shareholders equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.55B	USD	Point-in-time
Total shareholders equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.68B	USD	Point-in-time
Total shareholders equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.15B	USD	Point-in-time
Total shareholders equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.55B	USD	Point-in-time
Total shareholders equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.48B	USD	Point-in-time
Total liabilities, redeemable noncontrolling interests and shareholders equity	`LiabilitiesAndStockholdersEquity`	$16.66B	USD	Point-in-time
Total liabilities, redeemable noncontrolling interests and shareholders equity	`LiabilitiesAndStockholdersEquity`	$18.21B	USD	Point-in-time

Income Statement 112 line items

Line Item	Tag	Value	Unit	Period
Net earned premiums	`PremiumsEarnedNet`	$102.00M	USD	1 Quarter
Net earned premiums	`PremiumsEarnedNet`	$385.00M	USD	3 Qtrs
Net earned premiums	`PremiumsEarnedNet`	$89.00M	USD	1 Quarter
Net earned premiums	`PremiumsEarnedNet`	$307.00M	USD	3 Qtrs
Net investment income	`NetInvestmentIncome`	$204.00M	USD	3 Qtrs
Net investment income	`NetInvestmentIncome`	$191.00M	USD	3 Qtrs
Net investment income	`NetInvestmentIncome`	$66.00M	USD	1 Quarter
Net investment income	`NetInvestmentIncome`	$67.00M	USD	1 Quarter
Asset management fees	`RevenueFromContractWithCustomerExcludingAssessedTax`	$16.00M	USD	1 Quarter
Asset management fees	`RevenueFromContractWithCustomerExcludingAssessedTax`	$20.00M	USD	1 Quarter
Asset management fees	`RevenueFromContractWithCustomerExcludingAssessedTax`	$65.00M	USD	3 Qtrs
Asset management fees	`RevenueFromContractWithCustomerExcludingAssessedTax`	$71.00M	USD	3 Qtrs
Net realized investment gains (losses)	`RealizedInvestmentGainsLosses`	$4.00M	USD	3 Qtrs
Net realized investment gains (losses)	`RealizedInvestmentGainsLosses`	$3.00M	USD	1 Quarter
Net realized investment gains (losses)	`RealizedInvestmentGainsLosses`	$-14.00M	USD	1 Quarter
Net realized investment gains (losses)	`RealizedInvestmentGainsLosses`	$-39.00M	USD	3 Qtrs
Fair value gains (losses) on credit derivatives	`DerivativeGainLossOnDerivativeNet`	$21.00M	USD	1 Quarter
Fair value gains (losses) on credit derivatives	`DerivativeGainLossOnDerivativeNet`	$-42.00M	USD	3 Qtrs
Fair value gains (losses) on credit derivatives	`DerivativeGainLossOnDerivativeNet`	$-48.00M	USD	1 Quarter
Fair value gains (losses) on credit derivatives	`DerivativeGainLossOnDerivativeNet`	$-31.00M	USD	3 Qtrs
Fair value gains (losses) on committed capital securities	`FairValueGainLossOnCommittedCapitalSecurities`	$12.00M	USD	3 Qtrs
Fair value gains (losses) on committed capital securities	`FairValueGainLossOnCommittedCapitalSecurities`	$1.00M	USD	1 Quarter
Fair value gains (losses) on committed capital securities	`FairValueGainLossOnCommittedCapitalSecurities`	$-28.00M	USD	3 Qtrs
Fair value gains (losses) on committed capital securities	`FairValueGainLossOnCommittedCapitalSecurities`	$-3.00M	USD	1 Quarter
Fair value gains (losses) on financial guaranty variable interest entities	`VariableInterestEntityChangeinFairValue`	$27.00M	USD	3 Qtrs
Fair value gains (losses) on financial guaranty variable interest entities	`VariableInterestEntityChangeinFairValue`	$11.00M	USD	1 Quarter
Fair value gains (losses) on financial guaranty variable interest entities	`VariableInterestEntityChangeinFairValue`	$5.00M	USD	1 Quarter
Fair value gains (losses) on financial guaranty variable interest entities	`VariableInterestEntityChangeinFairValue`	$18.00M	USD	3 Qtrs
Fair value gains (losses) on consolidated investment vehicles	`FairValueGainLossOnConsolidatedInvestmentVehicles`	$8.00M	USD	1 Quarter
Fair value gains (losses) on consolidated investment vehicles	`FairValueGainLossOnConsolidatedInvestmentVehicles`	$16.00M	USD	1 Quarter
Fair value gains (losses) on consolidated investment vehicles	`FairValueGainLossOnConsolidatedInvestmentVehicles`	$25.00M	USD	3 Qtrs
Fair value gains (losses) on consolidated investment vehicles	`FairValueGainLossOnConsolidatedInvestmentVehicles`	$53.00M	USD	3 Qtrs
Foreign exchange gains (losses) on remeasurement	`ForeignCurrencyTransactionGainLossBeforeTax`	$-181.00M	USD	3 Qtrs
Foreign exchange gains (losses) on remeasurement	`ForeignCurrencyTransactionGainLossBeforeTax`	$-22.00M	USD	3 Qtrs
Foreign exchange gains (losses) on remeasurement	`ForeignCurrencyTransactionGainLossBeforeTax`	$-80.00M	USD	1 Quarter
Foreign exchange gains (losses) on remeasurement	`ForeignCurrencyTransactionGainLossBeforeTax`	$-27.00M	USD	1 Quarter
Fair value gains (losses) on trading securities	`DebtSecuritiesTradingUnrealizedGainLoss`	-	USD	3 Qtrs
Fair value gains (losses) on trading securities	`DebtSecuritiesTradingUnrealizedGainLoss`	$-8.00M	USD	1 Quarter
Fair value gains (losses) on trading securities	`DebtSecuritiesTradingUnrealizedGainLoss`	-	USD	1 Quarter
Fair value gains (losses) on trading securities	`DebtSecuritiesTradingUnrealizedGainLoss`	$-30.00M	USD	3 Qtrs
Other income (loss)	`OtherIncome`	$-1.00M	USD	1 Quarter
Other income (loss)	`OtherIncome`	$15.00M	USD	3 Qtrs
Other income (loss)	`OtherIncome`	$9.00M	USD	1 Quarter
Other income (loss)	`OtherIncome`	$12.00M	USD	3 Qtrs
Total revenues	`Revenues`	$41.00M	USD	1 Quarter
Total revenues	`Revenues`	$212.00M	USD	1 Quarter
Total revenues	`Revenues`	$585.00M	USD	3 Qtrs
Total revenues	`Revenues`	$431.00M	USD	3 Qtrs
Loss and loss adjustment expenses (benefit)	`PolicyholderBenefitsAndClaimsIncurredNet`	$-68.00M	USD	1 Quarter
Loss and loss adjustment expenses (benefit)	`PolicyholderBenefitsAndClaimsIncurredNet`	$-54.00M	USD	3 Qtrs
Loss and loss adjustment expenses (benefit)	`PolicyholderBenefitsAndClaimsIncurredNet`	$-75.00M	USD	1 Quarter
Loss and loss adjustment expenses (benefit)	`PolicyholderBenefitsAndClaimsIncurredNet`	$-29.00M	USD	3 Qtrs
Interest expense	`InterestExpense`	$20.00M	USD	1 Quarter
Interest expense	`InterestExpense`	$23.00M	USD	1 Quarter
Interest expense	`InterestExpense`	$60.00M	USD	3 Qtrs
Interest expense	`InterestExpense`	$67.00M	USD	3 Qtrs
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	3 Qtrs
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-175.00M	USD	1 Quarter
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-175.00M	USD	3 Qtrs
Amortization of deferred acquisition costs	`DeferredPolicyAcquisitionCostAmortizationExpense`	$11.00M	USD	3 Qtrs
Amortization of deferred acquisition costs	`DeferredPolicyAcquisitionCostAmortizationExpense`	$3.00M	USD	1 Quarter
Amortization of deferred acquisition costs	`DeferredPolicyAcquisitionCostAmortizationExpense`	$10.00M	USD	3 Qtrs
Amortization of deferred acquisition costs	`DeferredPolicyAcquisitionCostAmortizationExpense`	$4.00M	USD	1 Quarter
Employee compensation and benefit expenses	`EmployeeBenefitsAndShareBasedCompensation`	$59.00M	USD	1 Quarter
Employee compensation and benefit expenses	`EmployeeBenefitsAndShareBasedCompensation`	$189.00M	USD	3 Qtrs
Employee compensation and benefit expenses	`EmployeeBenefitsAndShareBasedCompensation`	$57.00M	USD	1 Quarter
Employee compensation and benefit expenses	`EmployeeBenefitsAndShareBasedCompensation`	$173.00M	USD	3 Qtrs
Other operating expenses	`OtherCostAndExpenseOperating`	$135.00M	USD	3 Qtrs
Other operating expenses	`OtherCostAndExpenseOperating`	$120.00M	USD	3 Qtrs
Other operating expenses	`OtherCostAndExpenseOperating`	$38.00M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$37.00M	USD	1 Quarter
Total expenses	`BenefitsLossesAndExpenses`	$351.00M	USD	3 Qtrs
Total expenses	`BenefitsLossesAndExpenses`	$506.00M	USD	3 Qtrs
Total expenses	`BenefitsLossesAndExpenses`	$230.00M	USD	1 Quarter
Total expenses	`BenefitsLossesAndExpenses`	$43.00M	USD	1 Quarter
Income (loss) before income taxes and equity in earnings (losses) of investees	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-18.00M	USD	1 Quarter
Income (loss) before income taxes and equity in earnings (losses) of investees	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$80.00M	USD	3 Qtrs
Income (loss) before income taxes and equity in earnings (losses) of investees	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$79.00M	USD	3 Qtrs
Income (loss) before income taxes and equity in earnings (losses) of investees	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-2.00M	USD	1 Quarter
Equity in earnings (losses) of investees	`EquitySecuritiesFvNiRealizedGainLoss`	$-31.00M	USD	3 Qtrs
Equity in earnings (losses) of investees	`EquitySecuritiesFvNiRealizedGainLoss`	$-20.00M	USD	1 Quarter
Equity in earnings (losses) of investees	`EquitySecuritiesFvNiRealizedGainLoss`	$66.00M	USD	3 Qtrs
Equity in earnings (losses) of investees	`EquitySecuritiesFvNiRealizedGainLoss`	$23.00M	USD	1 Quarter
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-22.00M	USD	1 Quarter
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$5.00M	USD	1 Quarter
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$49.00M	USD	3 Qtrs
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$145.00M	USD	3 Qtrs
Less: Provision (benefit) for income taxes	`IncomeTaxExpenseBenefit`	$8.00M	USD	3 Qtrs
Less: Provision (benefit) for income taxes	`IncomeTaxExpenseBenefit`	$-27.00M	USD	1 Quarter
Less: Provision (benefit) for income taxes	`IncomeTaxExpenseBenefit`	$-6.00M	USD	3 Qtrs
Less: Provision (benefit) for income taxes	`IncomeTaxExpenseBenefit`	$-15.00M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$137.00M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$20.00M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$5.00M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$55.00M	USD	3 Qtrs
Less: Noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$11.00M	USD	3 Qtrs
Less: Noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.00M	USD	1 Quarter
Less: Noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$25.00M	USD	3 Qtrs
Less: Noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-6.00M	USD	1 Quarter
Net income (loss) attributable to Assured Guaranty Ltd.	`NetIncomeLoss`	$30.00M	USD	3 Qtrs
Net income (loss) attributable to Assured Guaranty Ltd.	`NetIncomeLoss`	$126.00M	USD	3 Qtrs
Net income (loss) attributable to Assured Guaranty Ltd.	`NetIncomeLoss`	$11.00M	USD	1 Quarter
Net income (loss) attributable to Assured Guaranty Ltd.	`NetIncomeLoss`	$17.00M	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.22	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.18	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.67	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.47	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.66	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.22	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.46	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.18	USD	1 Quarter

Cash Flow Statement 97 line items

Line Item	Tag	Value	Unit	Period
Net cash flows provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-1.85B	USD	3 Qtrs
Net cash flows provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-1.79B	USD	3 Qtrs
Purchases	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$1.02B	USD	3 Qtrs
Purchases	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$279.00M	USD	3 Qtrs
Sales	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$560.00M	USD	3 Qtrs
Sales	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	-	USD	1 Quarter
Sales	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$207.00M	USD	1 Quarter
Sales	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$222.00M	USD	3 Qtrs
Maturities and paydowns	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$585.00M	USD	3 Qtrs
Maturities and paydowns	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$757.00M	USD	3 Qtrs
Purchases	`PaymentsToAcquireShortTermInvestments`	-	USD	3 Qtrs
Purchases	`PaymentsToAcquireShortTermInvestments`	$42.00M	USD	3 Qtrs
Maturities and paydowns	`ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments`	$32.00M	USD	3 Qtrs
Maturities and paydowns	`ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments`	$23.00M	USD	3 Qtrs
Net sales (purchases) of short-term investments with original maturities of less than three months	`PaymentsforProceedsfromShorttermInvestmentswithMaturitiesofLessThanThreeMonths`	$-125.00M	USD	3 Qtrs
Net sales (purchases) of short-term investments with original maturities of less than three months	`PaymentsforProceedsfromShorttermInvestmentswithMaturitiesofLessThanThreeMonths`	$-64.00M	USD	3 Qtrs
Sales of fixed-maturity securities, trading	`ProceedsFromPaymentsForTradingSecurities`	$121.00M	USD	3 Qtrs
Sales of fixed-maturity securities, trading	`ProceedsFromPaymentsForTradingSecurities`	-	USD	3 Qtrs
Paydowns of financial guaranty variable interest entities assets	`ProceedsfromPaydownsonFinancialGuarantyVariableInterestEntitiesAssets`	$74.00M	USD	3 Qtrs
Paydowns of financial guaranty variable interest entities assets	`ProceedsfromPaydownsonFinancialGuarantyVariableInterestEntitiesAssets`	$45.00M	USD	3 Qtrs
Purchases of other invested assets	`PaymentsToAcquireOtherInvestments`	$44.00M	USD	3 Qtrs
Purchases of other invested assets	`PaymentsToAcquireOtherInvestments`	$11.00M	USD	3 Qtrs
Return of capital from and sales of other invested assets	`ProceedsFromSaleOfOtherAssetsInvestingActivities`	$61.00M	USD	3 Qtrs
Return of capital from and sales of other invested assets	`ProceedsFromSaleOfOtherAssetsInvestingActivities`	$35.00M	USD	3 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$2.00M	USD	3 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$4.00M	USD	3 Qtrs
Net cash flows provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$169.00M	USD	3 Qtrs
Net cash flows provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$1.13B	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$51.00M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$49.00M	USD	3 Qtrs
Repurchases of common shares	`PaymentsForRepurchaseOfCommonStock`	$400.00M	USD	3 Qtrs
Repurchases of common shares	`PaymentsForRepurchaseOfCommonStock`	$305.00M	USD	3 Qtrs
Net paydowns of financial guaranty variable interest entities liabilities	`PaydownOfFinancialGuarantyVariableInterestEntitiesLiabilities`	$92.00M	USD	3 Qtrs
Net paydowns of financial guaranty variable interest entities liabilities	`PaydownOfFinancialGuarantyVariableInterestEntitiesLiabilities`	$38.00M	USD	3 Qtrs
Issuance of long-term debt, net of issuance costs	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	3 Qtrs
Issuance of long-term debt, net of issuance costs	`ProceedsFromIssuanceOfLongTermDebt`	$889.00M	USD	3 Qtrs
Redemptions and purchases of debt, including make-whole	`RepaymentsOfLongTermDebt`	$620.00M	USD	3 Qtrs
Redemptions and purchases of debt, including make-whole	`RepaymentsOfLongTermDebt`	-	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-6.00M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$7.00M	USD	3 Qtrs
Proceeds from issuance of collateralized loan obligations	`ProceedsFromIssuanceOfCollateralizedLoanObligations`	$1.37B	USD	3 Qtrs
Proceeds from issuance of collateralized loan obligations	`ProceedsFromIssuanceOfCollateralizedLoanObligations`	$2.08B	USD	3 Qtrs
Repayment of collateralized loan obligations	`RepaymentsOfCollateralizedLoanObligations`	$365.00M	USD	3 Qtrs
Repayment of collateralized loan obligations	`RepaymentsOfCollateralizedLoanObligations`	$373.00M	USD	3 Qtrs
Proceeds from issuance of warehouse financing debt	`ProceedsFromIssuanceOfWarehouseLoansAndEquity`	$1.01B	USD	3 Qtrs
Proceeds from issuance of warehouse financing debt	`ProceedsFromIssuanceOfWarehouseLoansAndEquity`	$882.00M	USD	3 Qtrs
Repayment of warehouse financing debt	`RepaymentofWarehouseLoansandEquity`	$758.00M	USD	3 Qtrs
Repayment of warehouse financing debt	`RepaymentofWarehouseLoansandEquity`	$1.06B	USD	3 Qtrs
Borrowings under credit facilities	`ProceedsFromLinesOfCredit`	$46.00M	USD	3 Qtrs
Borrowings under credit facilities	`ProceedsFromLinesOfCredit`	-	USD	3 Qtrs
Contributions from noncontrolling interests to consolidated investment vehicles	`ContributionsFromNoncontrollingInterestsToInvestmentVehicles`	$52.00M	USD	3 Qtrs
Contributions from noncontrolling interests to consolidated investment vehicles	`ContributionsFromNoncontrollingInterestsToInvestmentVehicles`	$33.00M	USD	3 Qtrs
Distributions to noncontrolling interests from consolidated investment vehicles	`DistributionsToNoncontrollingInterestsFromInvestmentVehicles`	$19.00M	USD	3 Qtrs
Distributions to noncontrolling interests from consolidated investment vehicles	`DistributionsToNoncontrollingInterestsFromInvestmentVehicles`	$10.00M	USD	3 Qtrs
Net cash flows provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$655.00M	USD	3 Qtrs
Net cash flows provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.57B	USD	3 Qtrs
Effect of foreign exchange rate changes	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-6.00M	USD	3 Qtrs
Effect of foreign exchange rate changes	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-1.00M	USD	3 Qtrs
Increase (decrease) in cash and cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-58.00M	USD	3 Qtrs
Increase (decrease) in cash and cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-71.00M	USD	3 Qtrs
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$298.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$271.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$240.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$342.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$298.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$271.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$240.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$342.00M	USD	Point-in-time
Income taxes paid (received)	`IncomeTaxesPaidNet`	$1.00M	USD	3 Qtrs
Income taxes paid (received)	`IncomeTaxesPaidNet`	$97.00M	USD	3 Qtrs
Interest paid on long-term debt	`InterestPaidNet`	$47.00M	USD	3 Qtrs
Interest paid on long-term debt	`InterestPaidNet`	$50.00M	USD	3 Qtrs
Fixed-maturity securities, available-for-sale, received as salvage	`NoncashOrPartNoncashAcquisitionInvestmentsAcquiredAvailableForSale`	-	USD	3 Qtrs
Fixed-maturity securities, available-for-sale, received as salvage	`NoncashOrPartNoncashAcquisitionInvestmentsAcquiredAvailableForSale`	$-610.00M	USD	3 Qtrs
Fixed-maturity securities, available-for-sale, ceded to a reinsurer	`NoncashOrPartNoncashAcquisitionInvestmentsSoldAvailableForSale`	-	USD	3 Qtrs
Fixed-maturity securities, available-for-sale, ceded to a reinsurer	`NoncashOrPartNoncashAcquisitionInvestmentsSoldAvailableForSale`	$27.00M	USD	3 Qtrs
Fixed-maturity securities, trading, received as salvage	`NoncashOrPartNoncashAcquisitionInvestmentsAcquiredTrading`	$-550.00M	USD	3 Qtrs
Fixed-maturity securities, trading, received as salvage	`NoncashOrPartNoncashAcquisitionInvestmentsAcquiredTrading`	-	USD	3 Qtrs
Fixed-maturity securities, trading, ceded to a reinsurer	`NoncashOrPartNoncashAcquisitionInvestmentsSoldTrading`	-	USD	3 Qtrs
Fixed-maturity securities, trading, ceded to a reinsurer	`NoncashOrPartNoncashAcquisitionInvestmentsSoldTrading`	$6.00M	USD	3 Qtrs
Debt securities of financial guaranty variable interest entities received as salvage	`PaymentsToAcquireDebtSecuritiesFGVIEsNonCash`	$-54.00M	USD	3 Qtrs
Debt securities of financial guaranty variable interest entities received as salvage	`PaymentsToAcquireDebtSecuritiesFGVIEsNonCash`	-	USD	3 Qtrs
Contributions from noncontrolling interests	`NoncashContributionsFromNoncontrollingInterests`	$32.00M	USD	3 Qtrs
Contributions from noncontrolling interests	`NoncashContributionsFromNoncontrollingInterests`	$1.00M	USD	3 Qtrs
Distributions to noncontrolling interests	`NoncashDistributionsToNoncontrollingInterests`	$1.00M	USD	3 Qtrs
Distributions to noncontrolling interests	`NoncashDistributionsToNoncontrollingInterests`	$53.00M	USD	3 Qtrs
Cash	`Cash`	$101.00M	USD	Point-in-time
Cash	`Cash`	$120.00M	USD	Point-in-time
Cash	`Cash`	$131.00M	USD	Point-in-time
Restricted cash (included in other assets)	`RestrictedCash`	$1.00M	USD	Point-in-time
Restricted cash (included in other assets)	`RestrictedCash`	$1.00M	USD	Point-in-time
Cash and cash equivalents of consolidated investment vehicles (Note 8)	`CashofConsolidatedInvestmentVehicles`	$139.00M	USD	Point-in-time
Cash and cash equivalents of consolidated investment vehicles (Note 8)	`CashofConsolidatedInvestmentVehicles`	$138.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$298.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$271.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$240.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$342.00M	USD	Point-in-time

Stockholders Equity 44 line items

Line Item	Tag	Value	Unit	Period
Dividends per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.22	USD	1 Quarter
Dividends per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.75	USD	3 Qtrs
Dividends per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.25	USD	1 Quarter
Dividends per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.66	USD	3 Qtrs
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.38B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.55B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.68B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.15B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.55B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.48B	USD	Point-in-time
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$56.00M	USD	3 Qtrs
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$20.00M	USD	1 Quarter
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$137.00M	USD	3 Qtrs
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$5.00M	USD	1 Quarter
Dividends	`DividendsCommonStockCash`	$49.00M	USD	3 Qtrs
Dividends	`DividendsCommonStockCash`	$16.00M	USD	1 Quarter
Dividends	`DividendsCommonStockCash`	$50.00M	USD	3 Qtrs
Dividends	`DividendsCommonStockCash`	$16.00M	USD	1 Quarter
Contributions	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$25.00M	USD	1 Quarter
Contributions	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$63.00M	USD	3 Qtrs
Contributions	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$34.00M	USD	3 Qtrs
Contributions	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$23.00M	USD	1 Quarter
Common shares repurchases	`StockRepurchasedAndRetiredDuringPeriodValue`	$305.00M	USD	3 Qtrs
Common shares repurchases	`StockRepurchasedAndRetiredDuringPeriodValue`	$140.00M	USD	1 Quarter
Common shares repurchases	`StockRepurchasedAndRetiredDuringPeriodValue`	$97.00M	USD	1 Quarter
Common shares repurchases	`StockRepurchasedAndRetiredDuringPeriodValue`	$403.00M	USD	3 Qtrs
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$7.00M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$11.00M	USD	3 Qtrs
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$9.00M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$10.00M	USD	3 Qtrs
Distributions	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$36.00M	USD	1 Quarter
Distributions	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$2.00M	USD	1 Quarter
Distributions	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$11.00M	USD	3 Qtrs
Distributions	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$51.00M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-952.00M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-282.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-71.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-124.00M	USD	3 Qtrs
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.38B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.55B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.68B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.15B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.55B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.48B	USD	Point-in-time

Comprehensive Income 48 line items

Line Item	Tag	Value	Unit	Period
Investments with no credit impairment, tax	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithoutCreditImpairmentTax`	$-39.00M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$137.00M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$20.00M	USD	1 Quarter
Investments with no credit impairment, tax	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithoutCreditImpairmentTax`	$-18.00M	USD	3 Qtrs
Investments with no credit impairment, tax	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithoutCreditImpairmentTax`	$-8.00M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$5.00M	USD	1 Quarter
Investments with no credit impairment, tax	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithoutCreditImpairmentTax`	$-139.00M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$55.00M	USD	3 Qtrs
Investments with credit impairment, tax	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentTax`	$1.00M	USD	1 Quarter
Investments with credit impairment, tax	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentTax`	$3.00M	USD	3 Qtrs
Investments with credit impairment, tax	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentTax`	$-2.00M	USD	1 Quarter
Investments with credit impairment, tax	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentTax`	$-18.00M	USD	3 Qtrs
Investments with no credit impairment, net of tax provision (benefit) of $(39), $(8), $(139) and $(18)	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithoutCreditImpairmentNetofTax`	$-857.00M	USD	3 Qtrs
Investments with no credit impairment, net of tax provision (benefit) of $(39), $(8), $(139) and $(18)	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithoutCreditImpairmentNetofTax`	$-134.00M	USD	3 Qtrs
Investments with no credit impairment, net of tax provision (benefit) of $(39), $(8), $(139) and $(18)	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithoutCreditImpairmentNetofTax`	$-66.00M	USD	1 Quarter
Investments with no credit impairment, net of tax provision (benefit) of $(39), $(8), $(139) and $(18)	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithoutCreditImpairmentNetofTax`	$-277.00M	USD	1 Quarter
Investments with credit impairment, net of tax provision (benefit) of $1, $(2), $(18) and $3	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentNetofTax`	$2.00M	USD	1 Quarter
Investments with credit impairment, net of tax provision (benefit) of $1, $(2), $(18) and $3	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentNetofTax`	$-6.00M	USD	1 Quarter
Investments with credit impairment, net of tax provision (benefit) of $1, $(2), $(18) and $3	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentNetofTax`	$12.00M	USD	3 Qtrs
Investments with credit impairment, net of tax provision (benefit) of $1, $(2), $(18) and $3	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentNetofTax`	$-81.00M	USD	3 Qtrs
Change in net unrealized gains (losses) on investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-122.00M	USD	3 Qtrs
Change in net unrealized gains (losses) on investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-72.00M	USD	1 Quarter
Change in net unrealized gains (losses) on investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-275.00M	USD	1 Quarter
Change in net unrealized gains (losses) on investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-938.00M	USD	3 Qtrs
Change in instrument-specific credit risk on financial guaranty variable interest entities liabilities with recourse, net of tax	`OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustment`	$2.00M	USD	1 Quarter
Change in instrument-specific credit risk on financial guaranty variable interest entities liabilities with recourse, net of tax	`OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustment`	$-3.00M	USD	1 Quarter
Change in instrument-specific credit risk on financial guaranty variable interest entities liabilities with recourse, net of tax	`OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustment`	$-1.00M	USD	3 Qtrs
Change in instrument-specific credit risk on financial guaranty variable interest entities liabilities with recourse, net of tax	`OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustment`	$-1.00M	USD	3 Qtrs
Other, net of tax	`OtherComprehensiveIncomeLossOtherNetofTaxPortionAttributableToParent`	$-1.00M	USD	1 Quarter
Other, net of tax	`OtherComprehensiveIncomeLossOtherNetofTaxPortionAttributableToParent`	$-13.00M	USD	3 Qtrs
Other, net of tax	`OtherComprehensiveIncomeLossOtherNetofTaxPortionAttributableToParent`	$-1.00M	USD	3 Qtrs
Other, net of tax	`OtherComprehensiveIncomeLossOtherNetofTaxPortionAttributableToParent`	$-4.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-282.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-124.00M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-952.00M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-71.00M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-51.00M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$13.00M	USD	3 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-277.00M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-897.00M	USD	3 Qtrs
Less: Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$11.00M	USD	3 Qtrs
Less: Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$25.00M	USD	3 Qtrs
Less: Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$3.00M	USD	1 Quarter
Less: Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-6.00M	USD	1 Quarter
Comprehensive income (loss) attributable to Assured Guaranty Ltd.	`ComprehensiveIncomeNetOfTax`	$2.00M	USD	3 Qtrs
Comprehensive income (loss) attributable to Assured Guaranty Ltd.	`ComprehensiveIncomeNetOfTax`	$-54.00M	USD	1 Quarter
Comprehensive income (loss) attributable to Assured Guaranty Ltd.	`ComprehensiveIncomeNetOfTax`	$-271.00M	USD	1 Quarter
Comprehensive income (loss) attributable to Assured Guaranty Ltd.	`ComprehensiveIncomeNetOfTax`	$-922.00M	USD	3 Qtrs

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.