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Variable Interest Entities - Supplemental Information about Loans Held as Assets and Long-Term Debt Associated with Consolidated Variable Interest Entities (Detail) - Variable Interest Entity [Member] - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Variable Interest Entities [Line Items] |  |
Long-term Debt, Fair Value | $ 2,710 | $ 2,788
Loans, Unpaid principal balance | 1,787 | 1,977
Long-term debt, Unpaid principal balance | $ 2,952 | $ 3,064

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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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