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Derivatives - Credit Risk-Related Contingent Features of Derivatives (Details) - Credit risk contract - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Credit Derivatives [Line Items]    
Derivative liabilities, fair value, gross liability $ (1,587) $ (1,890)
Offsetting fair value under netting arrangements 724 692
Cash collateral and letters of credit 471 854
Liquidity exposure $ (392) $ (344)