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Derivative Financial Instruments - Summary of Credit Risk Related Contingent Features (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Gross fair value of derivative contracts containing this feature $ (1,517) $ (1,346)
Offsetting fair value of contracts under master netting arrangements 715 602
Net fair value of derivative contracts containing this feature $ (802) $ (744)