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Derivative Financial Instruments - Additional Information (Detail) - USD ($) | Dec. 31, 2023 | Dec. 31, 2022
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Derivative Instruments Gain Loss [Line Items] |  |
Net positive exposure related to corporate derivatives | $ 6,000,000 | $ 11,000,000
Euro and British Pound Sterling denominated bonds outstanding in securitization trusts | 1,600,000 |
Notional of interest rate swaps entered into by the trusts to swap Prime to LIBOR | 10,300,000,000 | 39,700,000,000
Net positive exposure on foreign currency swaps | 0 | 0
Decrease in valuation due to net credit risk adjustments | 5,000,000 | 6,000,000
Decrease in valuation due to liquidity adjustments | 1,000,000 | 1,000,000
Derivative liability at fair value including accrued interest and premium receivable | 197,000,000 | 266,000,000
Interest Rate Swaps [Member] |  |
Derivative Instruments Gain Loss [Line Items] |  |
Notional of interest rate swaps entered into by the trusts to swap Prime to LIBOR | 8,700,000,000 | $ 31,900,000,000
Interest Rate Swaps [Member] | Assets and Liabilities of Consolidated Variable Interest Entities [Member] |  |
Derivative Instruments Gain Loss [Line Items] |  |
Notional of interest rate swaps entered into by the trusts to swap Prime to LIBOR | $ 298,000,000 |

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- Definition The net amount as of the balance sheet date of the fair value of derivative assets and derivative liabilities that in accordance with the entity's accounting policy were offset against collateral under a master netting arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-8 + 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4E + Details
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- Definition The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4H + Details
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