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Derivative Instruments - Summary of Gross Fair Values of Individual Derivative Instruments (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Derivative, Collateral, Right to Reclaim Cash | $ 9 | $ 6
Net Amounts of Assets Presented in the Consolidated Balance Sheet, Derivative Assets | 31 | 27
Derivative Asset, Fair Value, Amount Not Offset Against Collateral | 0 | 0
Net Amounts of Liabilities Presented in the Consolidated Balance Sheet, Derivative Liabilities | 44 | 38
Derivative Liability, Fair Value, Amount Not Offset Against Collateral | 43 |
Gross Amount of Collateral Received/Pledged Not Offset in the Consolidated Balance Sheet, Derivative Liabilities |  | 38
Net Amount, Derivative Assets | 31 | 27
Derivative Asset, Fair Value, Gross Asset | 31 | 28
Derivative Asset, Fair Value, Amount Offset Against Collateral | 0 | 0
Derivative liabilities | 44 | 38
Derivative Liability, Fair Value, Amount Offset Against Collateral | 0 | 0
Derivative Liabilities Net Amount | 0 | 0
Interest Rate Swap [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Net Amounts of Assets Presented in the Consolidated Balance Sheet, Derivative Assets | 30 | 27
Derivative Asset, Fair Value, Amount Not Offset Against Collateral |  | 0
Net Amounts of Liabilities Presented in the Consolidated Balance Sheet, Derivative Liabilities | 44 | 38
Derivative Liability, Fair Value, Amount Not Offset Against Collateral | 43 | 38
Net Amount, Derivative Assets | 30 | 27
Derivative Asset, Fair Value, Gross Asset | 30 | 27
Derivative Asset, Fair Value, Amount Offset Against Collateral | 0 | 0
Derivative liabilities | 44 | 38
Derivative Liability, Fair Value, Amount Offset Against Collateral | 0 | 0
Derivative Liabilities Net Amount | 0 | 0
Warrants [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Fair Value, Amount Not Offset Against Collateral | 1 | 1
Derivative Asset, Fair Value, Gross Asset | 1 | 1
Derivative Asset, Fair Value, Amount Offset Against Collateral | 0 | 0
Variable Interest Entity, Primary Beneficiary [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Net Amounts of Assets Presented in the Consolidated Balance Sheet, Derivative Assets | 243 | 239
Derivative Asset, Fair Value, Amount Not Offset Against Collateral | 243 | 0
Net Amounts of Liabilities Presented in the Consolidated Balance Sheet, Derivative Liabilities | 1,174 | 1,048
Derivative Liability, Fair Value, Amount Not Offset Against Collateral | 0 |
Gross Amount of Collateral Received/Pledged Not Offset in the Consolidated Balance Sheet, Derivative Liabilities |  | 0
Net Amount, Derivative Assets | 0 | 239
Derivative Asset, Fair Value, Gross Asset | 243 | 239
Derivative Asset, Fair Value, Amount Offset Against Collateral | 0 | 0
Derivative liabilities | 1,174 | 1,048
Derivative Liability, Fair Value, Amount Offset Against Collateral | 0 | 0
Derivative Liabilities Net Amount | 1,174 | 1,048
Variable Interest Entity, Primary Beneficiary [Member] | Interest Rate Swap [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Net Amounts of Assets Presented in the Consolidated Balance Sheet, Derivative Assets | 198 | 190
Derivative Asset, Fair Value, Amount Not Offset Against Collateral | 198 |
Net Amounts of Liabilities Presented in the Consolidated Balance Sheet, Derivative Liabilities | 1,174 | 1,048
Net Amount, Derivative Assets | 0 | 190
Derivative Asset, Fair Value, Gross Asset | 198 | 190
Derivative Asset, Fair Value, Amount Offset Against Collateral | 0 | 0
Derivative liabilities | 1,174 | 1,048
Derivative Liabilities Net Amount | 1,174 | 1,048
Variable Interest Entity, Primary Beneficiary [Member] | Currency Swaps [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Net Amounts of Assets Presented in the Consolidated Balance Sheet, Derivative Assets | 45 | 49
Derivative Asset, Fair Value, Amount Not Offset Against Collateral | 45 | 0
Net Amount, Derivative Assets | 0 | 49
Derivative Asset, Fair Value, Gross Asset | 45 | $ 49
Derivative Asset, Fair Value, Amount Offset Against Collateral | $ 0 |

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