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Derivative Instruments - Summary of Location and Amount of Gains and Losses of Derivative Contracts (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023
Debt and Equity Securities, FV-NI [Line Items] |  |
Derivative, Gain (Loss) on Derivative, Net | $ 2 | $ (4)
Derivative, Gain (Loss) on Derivatives, Total Net | 17 | (105)
Net gains (losses) on derivative contracts [Domain] | Interest Rate Swap [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Derivative, Gain (Loss) on Derivative, Net | 2 | (3)
Net gains (losses) on derivative contracts [Domain] | Warrants [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Derivative, Gain (Loss) on Derivative, Net | 0 | 0
Income Loss On Variable Interest Entities [Member] | Variable Interest Entity, Primary Beneficiary [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Derivative, Gain (Loss) on Derivative, Net | 16 | (102)
Income Loss On Variable Interest Entities [Member] | Interest Rate Swap [Member] | Variable Interest Entity, Primary Beneficiary [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Derivative, Gain (Loss) on Derivative, Net | 14 | (3)
Income Loss On Variable Interest Entities [Member] | Currency Swaps [Member] | Variable Interest Entity, Primary Beneficiary [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Derivative, Gain (Loss) on Derivative, Net | $ 2 | $ (99)

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A + Details
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