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Outstanding Exposure - Outstanding GO and PBA Bonds (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Financial Guaranty Insurance BIG Transaction Loss Summary
Net	$ 236,383	$ 233,258
Puerto Rico
Financial Guaranty Insurance BIG Transaction Loss Summary
Net	1,351	1,361
Puerto Rico Exposures Subject to a Plan Support Agreement | Puerto Rico
Financial Guaranty Insurance BIG Transaction Loss Summary
Net	506	509
Puerto Rico Exposures Subject to a Plan Support Agreement | Commonwealth of Puerto Rico | Puerto Rico
Financial Guaranty Insurance BIG Transaction Loss Summary
Net	25	25
Puerto Rico Exposures Subject to a Plan Support Agreement | Puerto Rico Public Buildings Authority | Puerto Rico
Financial Guaranty Insurance BIG Transaction Loss Summary
Net	$ 4	$ 4

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- Definition

Represents the outstanding principal amounts of the underlying insured obligations for financial guaranty contracts, after netting out ceded contracts.

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No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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X

- Details

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- Details

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- Details

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