Offsetting of Derivatives - Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Derivative Liability [Abstract]
Derivative Liabilities	$ (4,760)	$ (7,236)
Counterparty netting	2,998	3,906
Cash collateral netting	981	2,376
Derivative Liability	(781)	(954)
Gross amount not offset in the consolidated balance sheets	0	11
Derivative Liability, Fair Value, Amount Offset Against Collateral	(781)	(943)
Other
Derivative Liability [Abstract]
Derivative Liabilities	(756)	(881)
OTC derivatives
Derivative Liability [Abstract]
Derivative Liabilities	(3,989)	(6,315)
Cleared and exchange-traded derivatives
Derivative Liability [Abstract]
Derivative Liabilities	0	0
Mortgage commitments derivatives
Derivative Liability [Abstract]
Derivative Liabilities	$ (15)	$ (40)