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Derivatives and Hedge Accounting - Notional Amounts and Fair Values of Derivative Instruments (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Gross Derivative Assets |  |
Notional Amount | $ 4,200 | $ 4,896
Fair Value | 505 | 624
Counterparty netting | (225) | (270)
Cash Collateral | (226) | (304)
Derivative assets(c) | 54 | 50
Gross Derivative Liabilities |  |
Notional Amount | 4,018 | 3,702
Fair Value | 546 | 622
Counterparty netting | (225) | (270)
Cash Collateral | (240) | (201)
Total derivative liabilities on consolidated balance sheet | 81 | 151
Bifurcated embedded derivatives assets, fair value | 3,200 | 3,200
Bifurcated embedded derivative liabilities, fair value | 0 | 0
Derivatives designated as hedging instruments | Foreign exchange contracts |  |
Gross Derivative Assets |  |
Notional Amount | 788 | 879
Fair Value | 46 | 66
Gross Derivative Liabilities |  |
Notional Amount | 855 | 906
Fair Value | 71 | 109
Derivatives not designated as hedging instruments | Interest rate contracts |  |
Gross Derivative Assets |  |
Notional Amount | 874 | 841
Fair Value | 250 | 277
Gross Derivative Liabilities |  |
Notional Amount | 948 | 913
Fair Value | 278 | 304
Derivatives not designated as hedging instruments | Foreign exchange contracts |  |
Gross Derivative Assets |  |
Notional Amount | 2,465 | 3,095
Fair Value | 163 | 230
Gross Derivative Liabilities |  |
Notional Amount | 2,047 | 1,707
Fair Value | 151 | 158
Derivatives not designated as hedging instruments | Equity contracts |  |
Gross Derivative Assets |  |
Notional Amount | 21 | 29
Fair Value | 15 | 20
Gross Derivative Liabilities |  |
Notional Amount | 21 | 29
Fair Value | 15 | 20
Derivatives not designated as hedging instruments | Credit contracts |  |
Gross Derivative Assets |  |
Notional Amount | 52 | 52
Fair Value | 31 | 31
Gross Derivative Liabilities |  |
Notional Amount | 147 | 147
Fair Value | 31 | 31
Derivatives not designated as hedging instruments | Credit contracts | CDS |  |
Gross Derivative Liabilities |  |
Notional Amount | 46 | 48
Fair Value | 30 | 30
Derivatives not designated as hedging instruments | Other contracts |  |
Gross Derivative Assets |  |
Notional Amount | 0 | 0
Fair Value | 0 | 0
Gross Derivative Liabilities |  |
Notional Amount | 0 | 0
Fair Value | $ 0 | $ 0

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