10-Q Filing

ASSURED GUARANTY LTD CIK: 1273813 Q1 2025

Filing Information

Form Type	10-Q
Accession Number	`0001273813-25-000034`
Period End Date	20250331
Filing Date	20250509
Fiscal Year	2025
Fiscal Period	Q1
XBRL Instance	ago-20250331_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 174 Income Statement 104 Cash Flow Statement 146 Stockholders Equity 42 Comprehensive Income 48

Balance Sheet 174 line items

Line Item	Tag	Value	Unit	Period
Allowance for credit loss	`DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest`	$77.00M	USD	Point-in-time
Allowance for credit loss	`DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest`	$77.00M	USD	Point-in-time
Allowance for credit loss	`DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest`	$60.00M	USD	Point-in-time
Allowance for credit loss	`DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest`	$60.00M	USD	Point-in-time
Allowance for credit loss	`DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest`	$45.00M	USD	Point-in-time
Allowance for credit loss	`DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest`	$45.00M	USD	Point-in-time
Allowance for credit loss	`DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest`	$67.00M	USD	Point-in-time
Allowance for credit loss	`DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest`	$67.00M	USD	Point-in-time
Amortized cost	`DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss`	$6.77B	USD	Point-in-time
Amortized cost	`DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss`	$6.77B	USD	Point-in-time
Amortized cost	`DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss`	$6.83B	USD	Point-in-time
Amortized cost	`DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss`	$6.83B	USD	Point-in-time
Fixed-maturity securities, available-for-sale, at fair value, net of allowance for credit loss of $45 and $60 (amortized cost of $6,774 and $6,827)	`DebtSecuritiesAvailableForSaleExcludingAccruedInterest`	$6.37B	USD	Point-in-time
Fixed-maturity securities, available-for-sale, at fair value, net of allowance for credit loss of $45 and $60 (amortized cost of $6,774 and $6,827)	`DebtSecuritiesAvailableForSaleExcludingAccruedInterest`	$6.37B	USD	Point-in-time
Other invested assets fair value	`OtherInvestmentsFairValueDisclosure`	$3.00M	USD	Point-in-time
Other invested assets fair value	`OtherInvestmentsFairValueDisclosure`	$3.00M	USD	Point-in-time
Other invested assets fair value	`OtherInvestmentsFairValueDisclosure`	$4.00M	USD	Point-in-time
Other invested assets fair value	`OtherInvestmentsFairValueDisclosure`	$4.00M	USD	Point-in-time
Fixed-maturity securities, available-for-sale, at fair value, net of allowance for credit loss of $45 and $60 (amortized cost of $6,774 and $6,827)	`DebtSecuritiesAvailableForSaleExcludingAccruedInterest`	$6.42B	USD	Point-in-time
Fixed-maturity securities, available-for-sale, at fair value, net of allowance for credit loss of $45 and $60 (amortized cost of $6,774 and $6,827)	`DebtSecuritiesAvailableForSaleExcludingAccruedInterest`	$6.42B	USD	Point-in-time
Fixed-maturity securities, trading, at fair value	`TradingSecuritiesDebt`	$147.00M	USD	Point-in-time
Fixed-maturity securities, trading, at fair value	`TradingSecuritiesDebt`	$147.00M	USD	Point-in-time
Fixed-maturity securities, trading, at fair value	`TradingSecuritiesDebt`	$137.00M	USD	Point-in-time
Fixed-maturity securities, trading, at fair value	`TradingSecuritiesDebt`	$137.00M	USD	Point-in-time
Assets of consolidated investment vehicles, fair value disclosure	`AssetsofConsolidatedInvestmentVehiclesFairValueDisclosure`	$99.00M	USD	Point-in-time
Assets of consolidated investment vehicles, fair value disclosure	`AssetsofConsolidatedInvestmentVehiclesFairValueDisclosure`	$99.00M	USD	Point-in-time
Assets of consolidated investment vehicles, fair value disclosure	`AssetsofConsolidatedInvestmentVehiclesFairValueDisclosure`	$118.00M	USD	Point-in-time
Assets of consolidated investment vehicles, fair value disclosure	`AssetsofConsolidatedInvestmentVehiclesFairValueDisclosure`	$118.00M	USD	Point-in-time
Short-term investments, at fair value	`OtherShortTermInvestments`	$1.16B	USD	Point-in-time
Short-term investments, at fair value	`OtherShortTermInvestments`	$1.16B	USD	Point-in-time
Short-term investments, at fair value	`OtherShortTermInvestments`	$1.22B	USD	Point-in-time
Short-term investments, at fair value	`OtherShortTermInvestments`	$1.22B	USD	Point-in-time
Other assets, fair value disclosure	`OtherAssetsFairValueDisclosure`	$134.00M	USD	Point-in-time
Other assets, fair value disclosure	`OtherAssetsFairValueDisclosure`	$134.00M	USD	Point-in-time
Other invested assets (includes $3 and $4, at fair value)	`OtherInvestments`	$926.00M	USD	Point-in-time
Other invested assets (includes $3 and $4, at fair value)	`OtherInvestments`	$926.00M	USD	Point-in-time
Other assets, fair value disclosure	`OtherAssetsFairValueDisclosure`	$131.00M	USD	Point-in-time
Other assets, fair value disclosure	`OtherAssetsFairValueDisclosure`	$131.00M	USD	Point-in-time
Other invested assets (includes $3 and $4, at fair value)	`OtherInvestments`	$960.00M	USD	Point-in-time
Other invested assets (includes $3 and $4, at fair value)	`OtherInvestments`	$960.00M	USD	Point-in-time
Total investments	`Investments`	$8.66B	USD	Point-in-time
Total investments	`Investments`	$8.66B	USD	Point-in-time
Financial guaranty variable interest entities' liabilities, with recourse	`VariableInterestEntityConsolidatedCarryingAmountLiabilitiesWithRecourse`	$153.00M	USD	Point-in-time
Financial guaranty variable interest entities' liabilities, with recourse	`VariableInterestEntityConsolidatedCarryingAmountLiabilitiesWithRecourse`	$153.00M	USD	Point-in-time
Financial guaranty variable interest entities' liabilities, with recourse	`VariableInterestEntityConsolidatedCarryingAmountLiabilitiesWithRecourse`	$155.00M	USD	Point-in-time
Financial guaranty variable interest entities' liabilities, with recourse	`VariableInterestEntityConsolidatedCarryingAmountLiabilitiesWithRecourse`	$155.00M	USD	Point-in-time
Total investments	`Investments`	$8.67B	USD	Point-in-time
Total investments	`Investments`	$8.67B	USD	Point-in-time
Cash	`Cash`	$115.00M	USD	Point-in-time
Cash	`Cash`	$115.00M	USD	Point-in-time
Cash	`Cash`	$177.00M	USD	Point-in-time
Cash	`Cash`	$177.00M	USD	Point-in-time
Financial guaranty variable interest entities' liabilities, without recourse	`VariableInterestEntityConsolidatedCarryingAmountLiabilitiesWithoutRecourse`	$10.00M	USD	Point-in-time
Financial guaranty variable interest entities' liabilities, without recourse	`VariableInterestEntityConsolidatedCarryingAmountLiabilitiesWithoutRecourse`	$10.00M	USD	Point-in-time
Financial guaranty variable interest entities' liabilities, without recourse	`VariableInterestEntityConsolidatedCarryingAmountLiabilitiesWithoutRecourse`	$9.00M	USD	Point-in-time
Financial guaranty variable interest entities' liabilities, without recourse	`VariableInterestEntityConsolidatedCarryingAmountLiabilitiesWithoutRecourse`	$9.00M	USD	Point-in-time
Cash	`Cash`	$121.00M	USD	Point-in-time
Cash	`Cash`	$121.00M	USD	Point-in-time
Other liabilities. fair value disclosure	`OtherLiabilitiesFairValueDisclosure`	$34.00M	USD	Point-in-time
Other liabilities. fair value disclosure	`OtherLiabilitiesFairValueDisclosure`	$34.00M	USD	Point-in-time
Premiums receivable, net of commissions payable	`PremiumsReceivableAtCarryingValue`	$1.55B	USD	Point-in-time
Premiums receivable, net of commissions payable	`PremiumsReceivableAtCarryingValue`	$1.55B	USD	Point-in-time
Other liabilities. fair value disclosure	`OtherLiabilitiesFairValueDisclosure`	$34.00M	USD	Point-in-time
Other liabilities. fair value disclosure	`OtherLiabilitiesFairValueDisclosure`	$34.00M	USD	Point-in-time
Premiums receivable, net of commissions payable	`PremiumsReceivableAtCarryingValue`	$1.57B	USD	Point-in-time
Premiums receivable, net of commissions payable	`PremiumsReceivableAtCarryingValue`	$1.57B	USD	Point-in-time
Common stock par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Deferred acquisition costs	`DeferredPolicyAcquisitionCosts`	$176.00M	USD	Point-in-time
Deferred acquisition costs	`DeferredPolicyAcquisitionCosts`	$176.00M	USD	Point-in-time
Deferred acquisition costs	`DeferredPolicyAcquisitionCosts`	$181.00M	USD	Point-in-time
Deferred acquisition costs	`DeferredPolicyAcquisitionCosts`	$181.00M	USD	Point-in-time
Common stock par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	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
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
Salvage and subrogation recoverable	`SalvageAndSubrogationRecoveriesValue`	$396.00M	USD	Point-in-time
Salvage and subrogation recoverable	`SalvageAndSubrogationRecoveriesValue`	$396.00M	USD	Point-in-time
Salvage and subrogation recoverable	`SalvageAndSubrogationRecoveriesValue`	$389.00M	USD	Point-in-time
Salvage and subrogation recoverable	`SalvageAndSubrogationRecoveriesValue`	$389.00M	USD	Point-in-time
Financial guaranty variable interest entities assets, at fair value	`FinancialGuarantyOfVariableInterestEntitiesAssetsHeld`	$147.00M	USD	Point-in-time
Financial guaranty variable interest entities assets, at fair value	`FinancialGuarantyOfVariableInterestEntitiesAssetsHeld`	$147.00M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	50.51M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	50.51M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	49.55M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	49.55M	shares	Point-in-time
Financial guaranty variable interest entities assets, at fair value	`FinancialGuarantyOfVariableInterestEntitiesAssetsHeld`	$145.00M	USD	Point-in-time
Financial guaranty variable interest entities assets, at fair value	`FinancialGuarantyOfVariableInterestEntitiesAssetsHeld`	$145.00M	USD	Point-in-time
Assets of consolidated investment vehicles (includes $118 and $99, at fair value)	`AssetsofConsolidatedInvestmentVehicles`	$119.00M	USD	Point-in-time
Assets of consolidated investment vehicles (includes $118 and $99, at fair value)	`AssetsofConsolidatedInvestmentVehicles`	$119.00M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	49.55M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	49.55M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	50.51M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	50.51M	shares	Point-in-time
Assets of consolidated investment vehicles (includes $118 and $99, at fair value)	`AssetsofConsolidatedInvestmentVehicles`	$101.00M	USD	Point-in-time
Assets of consolidated investment vehicles (includes $118 and $99, at fair value)	`AssetsofConsolidatedInvestmentVehicles`	$101.00M	USD	Point-in-time
Accumulated other comprehensive income, tax provision	`AociTaxAttributableToParent`	$-75.00M	USD	Point-in-time
Accumulated other comprehensive income, tax provision	`AociTaxAttributableToParent`	$-75.00M	USD	Point-in-time
Accumulated other comprehensive income, tax provision	`AociTaxAttributableToParent`	$-64.00M	USD	Point-in-time
Accumulated other comprehensive income, tax provision	`AociTaxAttributableToParent`	$-64.00M	USD	Point-in-time
Other assets (includes $134 and $131, at fair value)	`OtherAssets`	$746.00M	USD	Point-in-time
Other assets (includes $134 and $131, at fair value)	`OtherAssets`	$746.00M	USD	Point-in-time
Other assets (includes $134 and $131, at fair value)	`OtherAssets`	$689.00M	USD	Point-in-time
Other assets (includes $134 and $131, at fair value)	`OtherAssets`	$689.00M	USD	Point-in-time
Total assets	`Assets`	$11.90B	USD	Point-in-time
Total assets	`Assets`	$11.90B	USD	Point-in-time
Total assets	`Assets`	$11.94B	USD	Point-in-time
Total assets	`Assets`	$11.94B	USD	Point-in-time
Unearned premium reserve	`UnearnedPremiums`	$3.67B	USD	Point-in-time
Unearned premium reserve	`UnearnedPremiums`	$3.67B	USD	Point-in-time
Unearned premium reserve	`UnearnedPremiums`	$3.72B	USD	Point-in-time
Unearned premium reserve	`UnearnedPremiums`	$3.72B	USD	Point-in-time
Loss and loss adjustment expense reserve	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$294.00M	USD	Point-in-time
Loss and loss adjustment expense reserve	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$294.00M	USD	Point-in-time
Loss and loss adjustment expense reserve	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$268.00M	USD	Point-in-time
Loss and loss adjustment expense reserve	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$268.00M	USD	Point-in-time
Long-term debt	`LongTermDebt`	$1.70B	USD	Point-in-time
Long-term debt	`LongTermDebt`	$1.70B	USD	Point-in-time
Long-term debt	`LongTermDebt`	$1.70B	USD	Point-in-time
Long-term debt	`LongTermDebt`	$1.70B	USD	Point-in-time
Financial guaranty variable interest entities liabilities, at fair value (with recourse $153 and $155, without recourse $10 and $9)	`VariableInterestEntityConsolidatedLiabilitiesAtFairValue`	$164.00M	USD	Point-in-time
Financial guaranty variable interest entities liabilities, at fair value (with recourse $153 and $155, without recourse $10 and $9)	`VariableInterestEntityConsolidatedLiabilitiesAtFairValue`	$164.00M	USD	Point-in-time
Financial guaranty variable interest entities liabilities, at fair value (with recourse $153 and $155, without recourse $10 and $9)	`VariableInterestEntityConsolidatedLiabilitiesAtFairValue`	$163.00M	USD	Point-in-time
Financial guaranty variable interest entities liabilities, at fair value (with recourse $153 and $155, without recourse $10 and $9)	`VariableInterestEntityConsolidatedLiabilitiesAtFairValue`	$163.00M	USD	Point-in-time
Other liabilities (includes $34 and $34, at fair value)	`OtherLiabilities`	$453.00M	USD	Point-in-time
Other liabilities (includes $34 and $34, at fair value)	`OtherLiabilities`	$453.00M	USD	Point-in-time
Other liabilities (includes $34 and $34, at fair value)	`OtherLiabilities`	$498.00M	USD	Point-in-time
Other liabilities (includes $34 and $34, at fair value)	`OtherLiabilities`	$498.00M	USD	Point-in-time
Total liabilities	`Liabilities`	$6.28B	USD	Point-in-time
Total liabilities	`Liabilities`	$6.28B	USD	Point-in-time
Total liabilities	`Liabilities`	$6.35B	USD	Point-in-time
Total liabilities	`Liabilities`	$6.35B	USD	Point-in-time
Commitments and contingencies (Notes 3, 4, 7 and 11)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Notes 3, 4, 7 and 11)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Notes 3, 4, 7 and 11)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Notes 3, 4, 7 and 11)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common shares ($0.01 par value, 500,000,000 shares authorized; 49,553,438 and 50,505,320 shares issued and outstanding)	`CommonStockValue`	$1.00M	USD	Point-in-time
Common shares ($0.01 par value, 500,000,000 shares authorized; 49,553,438 and 50,505,320 shares issued and outstanding)	`CommonStockValue`	$1.00M	USD	Point-in-time
Common shares ($0.01 par value, 500,000,000 shares authorized; 49,553,438 and 50,505,320 shares issued and outstanding)	`CommonStockValue`	-	USD	Point-in-time
Common shares ($0.01 par value, 500,000,000 shares authorized; 49,553,438 and 50,505,320 shares issued and outstanding)	`CommonStockValue`	-	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.90B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.90B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.88B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.88B	USD	Point-in-time
Accumulated other comprehensive income (loss), net of tax of $(64) and $(75)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-385.00M	USD	Point-in-time
Accumulated other comprehensive income (loss), net of tax of $(64) and $(75)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-385.00M	USD	Point-in-time
Accumulated other comprehensive income (loss), net of tax of $(64) and $(75)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-314.00M	USD	Point-in-time
Accumulated other comprehensive income (loss), net of tax of $(64) and $(75)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-314.00M	USD	Point-in-time
Deferred equity compensation	`CompensationAndBenefitsTrust`	$1.00M	USD	Point-in-time
Deferred equity compensation	`CompensationAndBenefitsTrust`	$1.00M	USD	Point-in-time
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`	$5.50B	USD	Point-in-time
Total shareholders equity attributable to Assured Guaranty Ltd.	`StockholdersEquity`	$5.50B	USD	Point-in-time
Total shareholders equity attributable to Assured Guaranty Ltd.	`StockholdersEquity`	$5.59B	USD	Point-in-time
Total shareholders equity attributable to Assured Guaranty Ltd.	`StockholdersEquity`	$5.59B	USD	Point-in-time
Nonredeemable noncontrolling interests (Note 8)	`MinorityInterest`	$67.00M	USD	Point-in-time
Nonredeemable noncontrolling interests (Note 8)	`MinorityInterest`	$67.00M	USD	Point-in-time
Nonredeemable noncontrolling interests (Note 8)	`MinorityInterest`	$58.00M	USD	Point-in-time
Nonredeemable noncontrolling interests (Note 8)	`MinorityInterest`	$58.00M	USD	Point-in-time
Total shareholders equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.66B	USD	Point-in-time
Total shareholders equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.66B	USD	Point-in-time
Total shareholders equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.76B	USD	Point-in-time
Total shareholders equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.76B	USD	Point-in-time
Total shareholders equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.68B	USD	Point-in-time
Total shareholders equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.68B	USD	Point-in-time
Total shareholders equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.55B	USD	Point-in-time
Total shareholders equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.55B	USD	Point-in-time
Total liabilities and shareholders equity	`LiabilitiesAndStockholdersEquity`	$11.90B	USD	Point-in-time
Total liabilities and shareholders equity	`LiabilitiesAndStockholdersEquity`	$11.90B	USD	Point-in-time
Total liabilities and shareholders equity	`LiabilitiesAndStockholdersEquity`	$11.94B	USD	Point-in-time
Total liabilities and shareholders equity	`LiabilitiesAndStockholdersEquity`	$11.94B	USD	Point-in-time

Income Statement 104 line items

Line Item	Tag	Value	Unit	Period
Net earned premiums	`PremiumsEarnedNet`	$91.00M	USD	1 Quarter
Net earned premiums	`PremiumsEarnedNet`	$91.00M	USD	1 Quarter
Net earned premiums	`PremiumsEarnedNet`	$119.00M	USD	1 Quarter
Net earned premiums	`PremiumsEarnedNet`	$119.00M	USD	1 Quarter
Net investment income	`NetInvestmentIncome`	$84.00M	USD	1 Quarter
Net investment income	`NetInvestmentIncome`	$84.00M	USD	1 Quarter
Net investment income	`NetInvestmentIncome`	$87.00M	USD	1 Quarter
Net investment income	`NetInvestmentIncome`	$87.00M	USD	1 Quarter
Net realized investment gains (losses)	`RealizedInvestmentGainsLosses`	$-16.00M	USD	1 Quarter
Net realized investment gains (losses)	`RealizedInvestmentGainsLosses`	$-16.00M	USD	1 Quarter
Net realized investment gains (losses)	`RealizedInvestmentGainsLosses`	$8.00M	USD	1 Quarter
Net realized investment gains (losses)	`RealizedInvestmentGainsLosses`	$8.00M	USD	1 Quarter
Fair value gains (losses) on credit derivatives	`DerivativeGainLossOnDerivativeNet`	$10.00M	USD	1 Quarter
Fair value gains (losses) on credit derivatives	`DerivativeGainLossOnDerivativeNet`	$10.00M	USD	1 Quarter
Fair value gains (losses) on credit derivatives	`DerivativeGainLossOnDerivativeNet`	$104.00M	USD	1 Quarter
Fair value gains (losses) on credit derivatives	`DerivativeGainLossOnDerivativeNet`	$104.00M	USD	1 Quarter
Fair value gains (losses) on committed capital securities	`FairValueGainLossOnCommittedCapitalSecurities`	$-10.00M	USD	1 Quarter
Fair value gains (losses) on committed capital securities	`FairValueGainLossOnCommittedCapitalSecurities`	$-10.00M	USD	1 Quarter
Fair value gains (losses) on committed capital securities	`FairValueGainLossOnCommittedCapitalSecurities`	$2.00M	USD	1 Quarter
Fair value gains (losses) on committed capital securities	`FairValueGainLossOnCommittedCapitalSecurities`	$2.00M	USD	1 Quarter
Fair value gains (losses) on financial guaranty variable interest entities	`VariableInterestEntityChangeinFairValue`	$-3.00M	USD	1 Quarter
Fair value gains (losses) on financial guaranty variable interest entities	`VariableInterestEntityChangeinFairValue`	$-3.00M	USD	1 Quarter
Fair value gains (losses) on financial guaranty variable interest entities	`VariableInterestEntityChangeinFairValue`	$1.00M	USD	1 Quarter
Fair value gains (losses) on financial guaranty variable interest entities	`VariableInterestEntityChangeinFairValue`	$1.00M	USD	1 Quarter
Fair value gains (losses) on consolidated investment vehicles	`FairValueGainLossOnConsolidatedInvestmentVehicles`	$19.00M	USD	1 Quarter
Fair value gains (losses) on consolidated investment vehicles	`FairValueGainLossOnConsolidatedInvestmentVehicles`	$19.00M	USD	1 Quarter
Fair value gains (losses) on consolidated investment vehicles	`FairValueGainLossOnConsolidatedInvestmentVehicles`	$22.00M	USD	1 Quarter
Fair value gains (losses) on consolidated investment vehicles	`FairValueGainLossOnConsolidatedInvestmentVehicles`	$22.00M	USD	1 Quarter
Foreign exchange gains (losses) on remeasurement	`ForeignCurrencyTransactionGainLossBeforeTax`	$37.00M	USD	1 Quarter
Foreign exchange gains (losses) on remeasurement	`ForeignCurrencyTransactionGainLossBeforeTax`	$37.00M	USD	1 Quarter
Foreign exchange gains (losses) on remeasurement	`ForeignCurrencyTransactionGainLossBeforeTax`	$-12.00M	USD	1 Quarter
Foreign exchange gains (losses) on remeasurement	`ForeignCurrencyTransactionGainLossBeforeTax`	$-12.00M	USD	1 Quarter
Fair value gains (losses) on trading securities	`DebtSecuritiesTradingUnrealizedGainLoss`	$1.00M	USD	1 Quarter
Fair value gains (losses) on trading securities	`DebtSecuritiesTradingUnrealizedGainLoss`	$1.00M	USD	1 Quarter
Fair value gains (losses) on trading securities	`DebtSecuritiesTradingUnrealizedGainLoss`	$26.00M	USD	1 Quarter
Fair value gains (losses) on trading securities	`DebtSecuritiesTradingUnrealizedGainLoss`	$26.00M	USD	1 Quarter
Other income (loss)	`OtherIncome`	$1.00M	USD	1 Quarter
Other income (loss)	`OtherIncome`	$1.00M	USD	1 Quarter
Other income (loss)	`OtherIncome`	$19.00M	USD	1 Quarter
Other income (loss)	`OtherIncome`	$19.00M	USD	1 Quarter
Total revenues	`Revenues`	$345.00M	USD	1 Quarter
Total revenues	`Revenues`	$345.00M	USD	1 Quarter
Total revenues	`Revenues`	$245.00M	USD	1 Quarter
Total revenues	`Revenues`	$245.00M	USD	1 Quarter
Loss and loss adjustment expenses (benefit)	`PolicyholderBenefitsAndClaimsIncurredNet`	$-1.00M	USD	1 Quarter
Loss and loss adjustment expenses (benefit)	`PolicyholderBenefitsAndClaimsIncurredNet`	$-1.00M	USD	1 Quarter
Loss and loss adjustment expenses (benefit)	`PolicyholderBenefitsAndClaimsIncurredNet`	$40.00M	USD	1 Quarter
Loss and loss adjustment expenses (benefit)	`PolicyholderBenefitsAndClaimsIncurredNet`	$40.00M	USD	1 Quarter
Interest Expense, Operating	`InterestExpenseOperating`	$23.00M	USD	1 Quarter
Interest Expense, Operating	`InterestExpenseOperating`	$23.00M	USD	1 Quarter
Interest Expense, Operating	`InterestExpenseOperating`	$22.00M	USD	1 Quarter
Interest Expense, Operating	`InterestExpenseOperating`	$22.00M	USD	1 Quarter
Amortization of deferred acquisition costs	`DeferredPolicyAcquisitionCostAmortizationExpense`	$6.00M	USD	1 Quarter
Amortization of deferred acquisition costs	`DeferredPolicyAcquisitionCostAmortizationExpense`	$6.00M	USD	1 Quarter
Amortization of deferred acquisition costs	`DeferredPolicyAcquisitionCostAmortizationExpense`	$5.00M	USD	1 Quarter
Amortization of deferred acquisition costs	`DeferredPolicyAcquisitionCostAmortizationExpense`	$5.00M	USD	1 Quarter
Employee compensation and benefit expenses	`EmployeeBenefitsAndShareBasedCompensation`	$60.00M	USD	1 Quarter
Employee compensation and benefit expenses	`EmployeeBenefitsAndShareBasedCompensation`	$60.00M	USD	1 Quarter
Employee compensation and benefit expenses	`EmployeeBenefitsAndShareBasedCompensation`	$58.00M	USD	1 Quarter
Employee compensation and benefit expenses	`EmployeeBenefitsAndShareBasedCompensation`	$58.00M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$39.00M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$39.00M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$42.00M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$42.00M	USD	1 Quarter
Total expenses	`BenefitsLossesAndExpenses`	$125.00M	USD	1 Quarter
Total expenses	`BenefitsLossesAndExpenses`	$125.00M	USD	1 Quarter
Total expenses	`BenefitsLossesAndExpenses`	$169.00M	USD	1 Quarter
Total expenses	`BenefitsLossesAndExpenses`	$169.00M	USD	1 Quarter
Income (loss) before income taxes and equity in earnings (losses) of investees	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$176.00M	USD	1 Quarter
Income (loss) before income taxes and equity in earnings (losses) of investees	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$176.00M	USD	1 Quarter
Income (loss) before income taxes and equity in earnings (losses) of investees	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$120.00M	USD	1 Quarter
Income (loss) before income taxes and equity in earnings (losses) of investees	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$120.00M	USD	1 Quarter
Equity in Earnings (Losses) of Investees	`IncomeLossFromEquityMethodInvestments`	$53.00M	USD	1 Quarter
Equity in Earnings (Losses) of Investees	`IncomeLossFromEquityMethodInvestments`	$53.00M	USD	1 Quarter
Equity in Earnings (Losses) of Investees	`IncomeLossFromEquityMethodInvestments`	$24.00M	USD	1 Quarter
Equity in Earnings (Losses) of Investees	`IncomeLossFromEquityMethodInvestments`	$24.00M	USD	1 Quarter
Total before tax	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$144.00M	USD	1 Quarter
Total before tax	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$144.00M	USD	1 Quarter
Total before tax	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$229.00M	USD	1 Quarter
Total before tax	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$229.00M	USD	1 Quarter
Less: Provision (benefit) for income taxes	`IncomeTaxExpenseBenefit`	$31.00M	USD	1 Quarter
Less: Provision (benefit) for income taxes	`IncomeTaxExpenseBenefit`	$31.00M	USD	1 Quarter
Less: Provision (benefit) for income taxes	`IncomeTaxExpenseBenefit`	$44.00M	USD	1 Quarter
Less: Provision (benefit) for income taxes	`IncomeTaxExpenseBenefit`	$44.00M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$185.00M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$185.00M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$113.00M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$113.00M	USD	1 Quarter
Less: Noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$9.00M	USD	1 Quarter
Less: Noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$9.00M	USD	1 Quarter
Less: Noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.00M	USD	1 Quarter
Less: Noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.00M	USD	1 Quarter
Net income (loss) attributable to Assured Guaranty Ltd.	`NetIncomeLoss`	$109.00M	USD	1 Quarter
Net income (loss) attributable to Assured Guaranty Ltd.	`NetIncomeLoss`	$109.00M	USD	1 Quarter
Net income (loss) attributable to Assured Guaranty Ltd.	`NetIncomeLoss`	$176.00M	USD	1 Quarter
Net income (loss) attributable to Assured Guaranty Ltd.	`NetIncomeLoss`	$176.00M	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.94	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.94	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.49	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.49	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.44	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.44	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.89	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.89	USD	1 Quarter

Cash Flow Statement 146 line items

Line Item	Tag	Value	Unit	Period
Net cash flows provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-74.00M	USD	1 Quarter
Net cash flows provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-74.00M	USD	1 Quarter
Net cash flows provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$87.00M	USD	1 Quarter
Net cash flows provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$87.00M	USD	1 Quarter
Purchases	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$321.00M	USD	1 Quarter
Purchases	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$321.00M	USD	1 Quarter
Purchases	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$344.00M	USD	1 Quarter
Purchases	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$344.00M	USD	1 Quarter
Sales	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$216.00M	USD	1 Quarter
Sales	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$216.00M	USD	1 Quarter
Sales	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$359.00M	USD	1 Quarter
Sales	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$359.00M	USD	1 Quarter
Maturities and paydowns	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$188.00M	USD	1 Quarter
Maturities and paydowns	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$188.00M	USD	1 Quarter
Maturities and paydowns	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$165.00M	USD	1 Quarter
Maturities and paydowns	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$165.00M	USD	1 Quarter
Purchases	`PaymentsToAcquireShortTermInvestments`	-	USD	1 Quarter
Purchases	`PaymentsToAcquireShortTermInvestments`	-	USD	1 Quarter
Purchases	`PaymentsToAcquireShortTermInvestments`	$2.00M	USD	1 Quarter
Purchases	`PaymentsToAcquireShortTermInvestments`	$2.00M	USD	1 Quarter
Maturities and paydowns	`ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments`	-	USD	1 Quarter
Maturities and paydowns	`ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments`	-	USD	1 Quarter
Maturities and paydowns	`ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments`	$4.00M	USD	1 Quarter
Maturities and paydowns	`ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments`	$4.00M	USD	1 Quarter
Net sales (purchases) of short-term investments with original maturities of less than three months	`PaymentsforProceedsfromShorttermInvestmentswithMaturitiesofLessThanThreeMonths`	$-8.00M	USD	1 Quarter
Net sales (purchases) of short-term investments with original maturities of less than three months	`PaymentsforProceedsfromShorttermInvestmentswithMaturitiesofLessThanThreeMonths`	$-8.00M	USD	1 Quarter
Net sales (purchases) of short-term investments with original maturities of less than three months	`PaymentsforProceedsfromShorttermInvestmentswithMaturitiesofLessThanThreeMonths`	$-67.00M	USD	1 Quarter
Net sales (purchases) of short-term investments with original maturities of less than three months	`PaymentsforProceedsfromShorttermInvestmentswithMaturitiesofLessThanThreeMonths`	$-67.00M	USD	1 Quarter
Sales of fixed-maturity securities, trading	`ProceedsFromPaymentsForTradingSecurities`	$72.00M	USD	1 Quarter
Sales of fixed-maturity securities, trading	`ProceedsFromPaymentsForTradingSecurities`	$72.00M	USD	1 Quarter
Sales of fixed-maturity securities, trading	`ProceedsFromPaymentsForTradingSecurities`	$8.00M	USD	1 Quarter
Sales of fixed-maturity securities, trading	`ProceedsFromPaymentsForTradingSecurities`	$8.00M	USD	1 Quarter
Maturities and paydowns of fixed-maturity securities, trading	`ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment`	$3.00M	USD	1 Quarter
Maturities and paydowns of fixed-maturity securities, trading	`ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment`	$3.00M	USD	1 Quarter
Maturities and paydowns of fixed-maturity securities, trading	`ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment`	-	USD	1 Quarter
Maturities and paydowns of fixed-maturity securities, trading	`ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment`	-	USD	1 Quarter
Paydowns of financial guaranty variable interest entities assets	`ProceedsfromPaydownsonFinancialGuarantyVariableInterestEntitiesAssets`	$6.00M	USD	1 Quarter
Paydowns of financial guaranty variable interest entities assets	`ProceedsfromPaydownsonFinancialGuarantyVariableInterestEntitiesAssets`	$6.00M	USD	1 Quarter
Paydowns of financial guaranty variable interest entities assets	`ProceedsfromPaydownsonFinancialGuarantyVariableInterestEntitiesAssets`	$5.00M	USD	1 Quarter
Paydowns of financial guaranty variable interest entities assets	`ProceedsfromPaydownsonFinancialGuarantyVariableInterestEntitiesAssets`	$5.00M	USD	1 Quarter
Purchases of and contributions to other invested assets	`PaymentsToAcquireOtherInvestments`	$13.00M	USD	1 Quarter
Purchases of and contributions to other invested assets	`PaymentsToAcquireOtherInvestments`	$13.00M	USD	1 Quarter
Purchases of and contributions to other invested assets	`PaymentsToAcquireOtherInvestments`	$56.00M	USD	1 Quarter
Purchases of and contributions to other invested assets	`PaymentsToAcquireOtherInvestments`	$56.00M	USD	1 Quarter
Sales of and return of capital from other invested assets	`ProceedsFromSaleOfOtherAssetsInvestingActivities`	$17.00M	USD	1 Quarter
Sales of and return of capital from other invested assets	`ProceedsFromSaleOfOtherAssetsInvestingActivities`	$17.00M	USD	1 Quarter
Sales of and return of capital from other invested assets	`ProceedsFromSaleOfOtherAssetsInvestingActivities`	$10.00M	USD	1 Quarter
Sales of and return of capital from other invested assets	`ProceedsFromSaleOfOtherAssetsInvestingActivities`	$10.00M	USD	1 Quarter
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$1.00M	USD	1 Quarter
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$1.00M	USD	1 Quarter
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$4.00M	USD	1 Quarter
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$4.00M	USD	1 Quarter
Net cash flows provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$253.00M	USD	1 Quarter
Net cash flows provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$253.00M	USD	1 Quarter
Net cash flows provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$134.00M	USD	1 Quarter
Net cash flows provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$134.00M	USD	1 Quarter
Dividends paid	`PaymentsOfDividendsCommonStock`	$19.00M	USD	1 Quarter
Dividends paid	`PaymentsOfDividendsCommonStock`	$19.00M	USD	1 Quarter
Dividends paid	`PaymentsOfDividendsCommonStock`	$19.00M	USD	1 Quarter
Dividends paid	`PaymentsOfDividendsCommonStock`	$19.00M	USD	1 Quarter
Repurchases of common shares	`PaymentsForRepurchaseOfCommonStock`	$129.00M	USD	1 Quarter
Repurchases of common shares	`PaymentsForRepurchaseOfCommonStock`	$129.00M	USD	1 Quarter
Repurchases of common shares	`PaymentsForRepurchaseOfCommonStock`	$120.00M	USD	1 Quarter
Repurchases of common shares	`PaymentsForRepurchaseOfCommonStock`	$120.00M	USD	1 Quarter
Net paydowns of financial guaranty variable interest entities liabilities	`PaydownOfFinancialGuarantyVariableInterestEntitiesLiabilities`	$148.00M	USD	1 Quarter
Net paydowns of financial guaranty variable interest entities liabilities	`PaydownOfFinancialGuarantyVariableInterestEntitiesLiabilities`	$148.00M	USD	1 Quarter
Net paydowns of financial guaranty variable interest entities liabilities	`PaydownOfFinancialGuarantyVariableInterestEntitiesLiabilities`	$4.00M	USD	1 Quarter
Net paydowns of financial guaranty variable interest entities liabilities	`PaydownOfFinancialGuarantyVariableInterestEntitiesLiabilities`	$4.00M	USD	1 Quarter
Payments related to tax withholding for share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$29.00M	USD	1 Quarter
Payments related to tax withholding for share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$29.00M	USD	1 Quarter
Payments related to tax withholding for share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$28.00M	USD	1 Quarter
Payments related to tax withholding for share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$28.00M	USD	1 Quarter
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$1.00M	USD	1 Quarter
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$1.00M	USD	1 Quarter
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$1.00M	USD	1 Quarter
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$1.00M	USD	1 Quarter
Distributions to noncontrolling interests from consolidated investment vehicles	`DistributionsToNoncontrollingInterestsFromInvestmentVehicles`	$3.00M	USD	1 Quarter
Distributions to noncontrolling interests from consolidated investment vehicles	`DistributionsToNoncontrollingInterestsFromInvestmentVehicles`	$3.00M	USD	1 Quarter
Distributions to noncontrolling interests from consolidated investment vehicles	`DistributionsToNoncontrollingInterestsFromInvestmentVehicles`	-	USD	1 Quarter
Distributions to noncontrolling interests from consolidated investment vehicles	`DistributionsToNoncontrollingInterestsFromInvestmentVehicles`	-	USD	1 Quarter
Net cash flows provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-170.00M	USD	1 Quarter
Net cash flows provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-170.00M	USD	1 Quarter
Net cash flows provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-327.00M	USD	1 Quarter
Net cash flows provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-327.00M	USD	1 Quarter
Effect of foreign exchange rate changes	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$3.00M	USD	1 Quarter
Effect of foreign exchange rate changes	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$3.00M	USD	1 Quarter
Effect of foreign exchange rate changes	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-1.00M	USD	1 Quarter
Effect of foreign exchange rate changes	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-1.00M	USD	1 Quarter
Increase (decrease) in cash and cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-149.00M	USD	1 Quarter
Increase (decrease) in cash and cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-149.00M	USD	1 Quarter
Increase (decrease) in cash and cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$54.00M	USD	1 Quarter
Increase (decrease) in cash and cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$54.00M	USD	1 Quarter
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$286.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$286.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$182.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$182.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$128.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$128.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$137.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$137.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$286.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$286.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$182.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$182.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$128.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$128.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$137.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$137.00M	USD	Point-in-time
Income taxes paid (received)	`IncomeTaxesPaidNet`	-	USD	1 Quarter
Income taxes paid (received)	`IncomeTaxesPaidNet`	-	USD	1 Quarter
Income taxes paid (received)	`IncomeTaxesPaidNet`	$-3.00M	USD	1 Quarter
Income taxes paid (received)	`IncomeTaxesPaidNet`	$-3.00M	USD	1 Quarter
Interest paid on long-term debt	`InterestPaidNet`	$21.00M	USD	1 Quarter
Interest paid on long-term debt	`InterestPaidNet`	$21.00M	USD	1 Quarter
Interest paid on long-term debt	`InterestPaidNet`	$22.00M	USD	1 Quarter
Interest paid on long-term debt	`InterestPaidNet`	$22.00M	USD	1 Quarter
Receipt of fixed-maturity securities, available-for-sale	`NoncashOrPartNoncashAcquisitionInvestmentsAcquiredAvailableForSale`	-	USD	1 Quarter
Receipt of fixed-maturity securities, available-for-sale	`NoncashOrPartNoncashAcquisitionInvestmentsAcquiredAvailableForSale`	-	USD	1 Quarter
Receipt of fixed-maturity securities, available-for-sale	`NoncashOrPartNoncashAcquisitionInvestmentsAcquiredAvailableForSale`	$-5.00M	USD	1 Quarter
Receipt of fixed-maturity securities, available-for-sale	`NoncashOrPartNoncashAcquisitionInvestmentsAcquiredAvailableForSale`	$-5.00M	USD	1 Quarter
Distributions from equity method investments	`NoncashDistributionsFromEquityMethodInvestments`	$7.00M	USD	1 Quarter
Distributions from equity method investments	`NoncashDistributionsFromEquityMethodInvestments`	$7.00M	USD	1 Quarter
Distributions from equity method investments	`NoncashDistributionsFromEquityMethodInvestments`	-	USD	1 Quarter
Distributions from equity method investments	`NoncashDistributionsFromEquityMethodInvestments`	-	USD	1 Quarter
Cash	`Cash`	$115.00M	USD	Point-in-time
Cash	`Cash`	$115.00M	USD	Point-in-time
Cash	`Cash`	$177.00M	USD	Point-in-time
Cash	`Cash`	$177.00M	USD	Point-in-time
Cash	`Cash`	$121.00M	USD	Point-in-time
Cash	`Cash`	$121.00M	USD	Point-in-time
Cash and cash equivalents of consolidated investment vehicles (See Note 8)	`CashofConsolidatedInvestmentVehicles`	$22.00M	USD	Point-in-time
Cash and cash equivalents of consolidated investment vehicles (See Note 8)	`CashofConsolidatedInvestmentVehicles`	$22.00M	USD	Point-in-time
Cash and cash equivalents of consolidated investment vehicles (See Note 8)	`CashofConsolidatedInvestmentVehicles`	$1.00M	USD	Point-in-time
Cash and cash equivalents of consolidated investment vehicles (See Note 8)	`CashofConsolidatedInvestmentVehicles`	$1.00M	USD	Point-in-time
Restricted cash (included in other assets)	`RestrictedCash`	$4.00M	USD	Point-in-time
Restricted cash (included in other assets)	`RestrictedCash`	$4.00M	USD	Point-in-time
Restricted cash (included in other assets)	`RestrictedCash`	-	USD	Point-in-time
Restricted cash (included in other assets)	`RestrictedCash`	-	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$286.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$286.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$182.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$182.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$128.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$128.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$137.00M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$137.00M	USD	Point-in-time

Stockholders Equity 42 line items

Line Item	Tag	Value	Unit	Period
Dividends per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.31	USD	1 Quarter
Dividends per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.31	USD	1 Quarter
Dividends per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.34	USD	1 Quarter
Dividends per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.34	USD	1 Quarter
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.66B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.66B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.76B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.76B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.68B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.68B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.55B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.55B	USD	Point-in-time
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$185.00M	USD	1 Quarter
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$185.00M	USD	1 Quarter
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$113.00M	USD	1 Quarter
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$113.00M	USD	1 Quarter
Dividends	`DividendsCommonStockCash`	$19.00M	USD	1 Quarter
Dividends	`DividendsCommonStockCash`	$19.00M	USD	1 Quarter
Dividends	`DividendsCommonStockCash`	$18.00M	USD	1 Quarter
Dividends	`DividendsCommonStockCash`	$18.00M	USD	1 Quarter
Common shares repurchases	`StockRepurchasedAndRetiredDuringPeriodValue`	$131.00M	USD	1 Quarter
Common shares repurchases	`StockRepurchasedAndRetiredDuringPeriodValue`	$131.00M	USD	1 Quarter
Common shares repurchases	`StockRepurchasedAndRetiredDuringPeriodValue`	$120.00M	USD	1 Quarter
Common shares repurchases	`StockRepurchasedAndRetiredDuringPeriodValue`	$120.00M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueSharebasedCompensationandOther`	$-15.00M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueSharebasedCompensationandOther`	$-15.00M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueSharebasedCompensationandOther`	$-14.00M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueSharebasedCompensationandOther`	$-14.00M	USD	1 Quarter
Distributions	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$3.00M	USD	1 Quarter
Distributions	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$3.00M	USD	1 Quarter
Other comprehensive (loss) income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-28.00M	USD	1 Quarter
Other comprehensive (loss) income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-28.00M	USD	1 Quarter
Other comprehensive (loss) income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$71.00M	USD	1 Quarter
Other comprehensive (loss) income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$71.00M	USD	1 Quarter
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.66B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.66B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.76B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.76B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.68B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.68B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.55B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.55B	USD	Point-in-time

Comprehensive Income 48 line items

Line Item	Tag	Value	Unit	Period
Investments with no credit impairment, tax	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithoutCreditImpairmentTax`	$-5.00M	USD	1 Quarter
Investments with no credit impairment, tax	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithoutCreditImpairmentTax`	$-5.00M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$185.00M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$185.00M	USD	1 Quarter
Investments with no credit impairment, tax	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithoutCreditImpairmentTax`	$6.00M	USD	1 Quarter
Investments with no credit impairment, tax	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithoutCreditImpairmentTax`	$6.00M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$113.00M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$113.00M	USD	1 Quarter
Investments with credit impairment, tax	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentTax`	-	USD	1 Quarter
Investments with credit impairment, tax	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentTax`	-	USD	1 Quarter
Investments with credit impairment, tax	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentTax`	$5.00M	USD	1 Quarter
Investments with credit impairment, tax	`OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentTax`	$5.00M	USD	1 Quarter
Investments with no credit impairment, net of tax provision (benefit) of $6 and $(5)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesWithoutCreditImpairmentNetOfTax`	$-29.00M	USD	1 Quarter
Investments with no credit impairment, net of tax provision (benefit) of $6 and $(5)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesWithoutCreditImpairmentNetOfTax`	$-29.00M	USD	1 Quarter
Investments with no credit impairment, net of tax provision (benefit) of $6 and $(5)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesWithoutCreditImpairmentNetOfTax`	$52.00M	USD	1 Quarter
Investments with no credit impairment, net of tax provision (benefit) of $6 and $(5)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesWithoutCreditImpairmentNetOfTax`	$52.00M	USD	1 Quarter
Investments with credit impairment, net of tax provision (benefit) of $5 and $0	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesWithCreditImpairmentNetOfTax`	$21.00M	USD	1 Quarter
Investments with credit impairment, net of tax provision (benefit) of $5 and $0	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesWithCreditImpairmentNetOfTax`	$21.00M	USD	1 Quarter
Investments with credit impairment, net of tax provision (benefit) of $5 and $0	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesWithCreditImpairmentNetOfTax`	$1.00M	USD	1 Quarter
Investments with credit impairment, net of tax provision (benefit) of $5 and $0	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesWithCreditImpairmentNetOfTax`	$1.00M	USD	1 Quarter
Change in net unrealized gains (losses) on investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-28.00M	USD	1 Quarter
Change in net unrealized gains (losses) on investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-28.00M	USD	1 Quarter
Change in net unrealized gains (losses) on investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$73.00M	USD	1 Quarter
Change in net unrealized gains (losses) on investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$73.00M	USD	1 Quarter
Change in instrument-specific credit risk on financial guaranty variable interest entities liabilities with recourse, net of tax provision (benefit)	`OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustment`	$-1.00M	USD	1 Quarter
Change in instrument-specific credit risk on financial guaranty variable interest entities liabilities with recourse, net of tax provision (benefit)	`OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustment`	$-1.00M	USD	1 Quarter
Change in instrument-specific credit risk on financial guaranty variable interest entities liabilities with recourse, net of tax provision (benefit)	`OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustment`	$-1.00M	USD	1 Quarter
Change in instrument-specific credit risk on financial guaranty variable interest entities liabilities with recourse, net of tax provision (benefit)	`OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustment`	$-1.00M	USD	1 Quarter
Other, net of tax provision (benefit)	`OtherComprehensiveIncomeLossOtherNetofTaxPortionAttributableToParent`	$1.00M	USD	1 Quarter
Other, net of tax provision (benefit)	`OtherComprehensiveIncomeLossOtherNetofTaxPortionAttributableToParent`	$1.00M	USD	1 Quarter
Other, net of tax provision (benefit)	`OtherComprehensiveIncomeLossOtherNetofTaxPortionAttributableToParent`	$-1.00M	USD	1 Quarter
Other, net of tax provision (benefit)	`OtherComprehensiveIncomeLossOtherNetofTaxPortionAttributableToParent`	$-1.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-28.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-28.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$71.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$71.00M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$256.00M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$256.00M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$85.00M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$85.00M	USD	1 Quarter
Less: Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$4.00M	USD	1 Quarter
Less: Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$4.00M	USD	1 Quarter
Less: Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$9.00M	USD	1 Quarter
Less: Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$9.00M	USD	1 Quarter
Comprehensive income (loss) attributable to Assured Guaranty Ltd.	`ComprehensiveIncomeNetOfTax`	$81.00M	USD	1 Quarter
Comprehensive income (loss) attributable to Assured Guaranty Ltd.	`ComprehensiveIncomeNetOfTax`	$81.00M	USD	1 Quarter
Comprehensive income (loss) attributable to Assured Guaranty Ltd.	`ComprehensiveIncomeNetOfTax`	$247.00M	USD	1 Quarter
Comprehensive income (loss) attributable to Assured Guaranty Ltd.	`ComprehensiveIncomeNetOfTax`	$247.00M	USD	1 Quarter

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