XML 70 R50.htm IDEA: XBRL DOCUMENT
v3.23.1

Outstanding Exposure - Amortization Schedule of Puerto Rico Net Par Outstanding and Net Debt Service Outstanding (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Scheduled Net Par Amortization |  |
Total | $ 236,383 | $ 233,258
Scheduled Net Debt Service Amortization |  |
Total | 374,475 | 369,951
Puerto Rico |  |
Scheduled Net Par Amortization |  |
2023 (April 1 - June 30) | 0 |
2023 (July 1 - September 30) | 124 |
2023 (October 1 - December 31) | 0 |
Subtotal 2023 | 124 |
2024 | 110 |
2025 | 94 |
2026 | 149 |
2027 | 124 |
2028-2032 | 378 |
2033-2037 | 240 |
2038-2041 | 132 |
Total | 1,351 | $ 1,361
Scheduled Net Debt Service Amortization |  |
2023 (April 1 - June 30) | 3 |
2023 (July 1 - September 30) | 154 |
2023 (October 1 - December 31) | 3 |
Subtotal 2023 | 160 |
2024 | 170 |
2025 | 148 |
2026 | 200 |
2027 | 168 |
2028-2032 | 528 |
2033-2037 | 311 |
2038-2041 | 150 |
Total | $ 1,835 |

X
- Definition Financial Guaranty Insured Obligations, Expected Amortization [Abstract] + References No definition available. + Details
Name: | ago_FinancialGuarantyInsuredObligationsExpectedAmortizationAbstract
Namespace Prefix: | ago_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the amount of insured contractual payments (principal and interest) outstanding on the underlying insured obligations for financial guaranty contracts, net of ceded contracts. + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsInsuredContractualPaymentsOutstandingNet
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Contractual Payments, Remainder Of Fiscal Year + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesOfOutstandingContractualPaymentsRemainderOfFiscalYear
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Contractual Payments, Year Fifteen to Eighteen + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesOfOutstandingContractualPaymentsYearFifteenToEighteen
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Contractual Payments, Year Five To Nine + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesOfOutstandingContractualPaymentsYearFiveToNine
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Contractual Payments, Year One + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesOfOutstandingContractualPaymentsYearOne
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Contractual Payments, Year Ten to Fourteen + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesOfOutstandingContractualPaymentsYearTenToFourteen
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Principal Amount, Remainder Of Fiscal Year + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesOfOutstandingPrincipalAmountRemainderOfFiscalYear
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Principal Amount, Year Fifteen to Eighteen + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesOfOutstandingPrincipalAmountYearFifteenToEighteen
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Principal Amount, Year Five To Nine + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesOfOutstandingPrincipalAmountYearFiveToNine
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Principal Amount, Year One + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesOfOutstandingPrincipalAmountYearOne
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Principal Amount, Year Ten to Fourteen + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesOfOutstandingPrincipalAmountYearTenToFourteen
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Contractual Payments [Abstract] + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesofOutstandingContractualPaymentsAbstract
Namespace Prefix: | ago_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Insured Financial Obligations, Maturities of Outstanding Contractual Payments, First Quarter After Period End + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesofOutstandingContractualPaymentsFirstQuarterAfterPeriodEnd
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Contractual Payments, Second Quarter After Period End + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesofOutstandingContractualPaymentsSecondQuarterAfterPeriodEnd
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Contractual Payments, Third Quarter After Period End + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesofOutstandingContractualPaymentsThirdQuarterAfterPeriodEnd
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Contractual Payments, Year Four + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesofOutstandingContractualPaymentsYearFour
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Contractual Payments, Year Three + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesofOutstandingContractualPaymentsYearThree
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Contractual Payments, Year Two + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesofOutstandingContractualPaymentsYearTwo
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Principal Amount, First Quarter After Period End + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesofOutstandingPrincipalAmountFirstQuarterAfterPeriodEnd
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Principal Amount, Second Quarter After Period End + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesofOutstandingPrincipalAmountSecondQuarterAfterPeriodEnd
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Principal Amount, Third Quarter After Period End + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesofOutstandingPrincipalAmountThirdQuarterAfterPeriodEnd
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Principal Amount, Year Four + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesofOutstandingPrincipalAmountYearFour
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Principal Amount, Year Three + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesofOutstandingPrincipalAmountYearThree
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insured Financial Obligations, Maturities of Outstanding Principal Amount, Year Two + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsMaturitiesofOutstandingPrincipalAmountYearTwo
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the outstanding principal amounts of the underlying insured obligations for financial guaranty contracts, after netting out ceded contracts. + References No definition available. + Details
Name: | ago_InsuredFinancialObligationsOutstandingPrincipalAmountNet
Namespace Prefix: | ago_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | srt_StatementGeographicalAxis=country_PR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |