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Contracts Accounted for as Credit Derivatives - Credit Derivatives Net Par Outstanding by Sector (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Net Par Outstanding on Credit Derivatives |  |
Net Par Outstanding | $ 3,203 | $ 4,040
Net Fair Value Asset (Liability) | (162) | (154)
Expected Loss to be recovered | 3 | 5
Public finance | U.S. |  |
Net Par Outstanding on Credit Derivatives |  |
Net Par Outstanding | 1,175 | 1,705
Net Fair Value Asset (Liability) | (79) | (72)
Public finance | Non U.S. |  |
Net Par Outstanding on Credit Derivatives |  |
Net Par Outstanding | 1,565 | 1,800
Net Fair Value Asset (Liability) | (58) | (48)
Structured finance | U.S. |  |
Net Par Outstanding on Credit Derivatives |  |
Net Par Outstanding | 342 | 400
Net Fair Value Asset (Liability) | (22) | (32)
Structured finance | Non U.S. |  |
Net Par Outstanding on Credit Derivatives |  |
Net Par Outstanding | 121 | 135
Net Fair Value Asset (Liability) | $ (3) | $ (2)

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- Definition Expected Loss on Credit Derivative to Be Paid (Recovered), Including Representation and Warranty Liability (Benefit) + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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- Definition Represents the outstanding principal amounts of the underlying insured obligations that are accounted for as credit derivatives, net of protection purchased. + References No definition available. + Details
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- Definition Fair value of credit risk derivative asset after deduction of credit risk derivative liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4K -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5708775-113959 + Details
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