v3.26.1
Derivative Instruments (Derivative Instruments Offsetting Balance Sheet) (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Derivative Assets [Abstract]    
Derivative Fair Value Of Free Standing Derivative Asset $ 434 $ 578
Gross Amounts Offset in the Balance Sheet (253) (390)
Derivative Asset, Subject to Master Netting Arrangement, before Offset of Collateral, Total 181 188
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Security Not Offset [1] 181 188
Derivative Asset, Subject to Master Netting Arrangement, after Offset and Deduction, Total 0 0
Derivative Liabilities [Abstract]    
Derivative Liability, Fair Value, Gross Liability 897 989
Gross Amounts Offset in the Balance Sheet (253) (390)
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral, Total 644 599
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Security Not Offset [1] 644 599
Derivative Liability, Subject to Master Netting Arrangement, after Offset and Deduction, Total $ 0 $ 0
[1] Includes initial margin posted to a central clearing partner for financial instruments and excludes the excess of collateral received/pledged from/to the counterparty.