Derivatives and Hedging Activities - Schedule of Fair Value of Derivative Assets by Type (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Credit Derivatives [Line Items]
Derivative assets before collateral	$ 661	$ 1,034
Plus(Less): Related collateral	(239)	(10)
Derivative assets	422	1,024
Interest rate
Credit Derivatives [Line Items]
Derivative assets before collateral	126	136
Foreign exchange
Credit Derivatives [Line Items]
Derivative assets before collateral	58	67
Commodity
Credit Derivatives [Line Items]
Derivative assets before collateral	463	820
Credit
Credit Derivatives [Line Items]
Derivative assets before collateral	0	0
Other
Credit Derivatives [Line Items]
Derivative assets before collateral	$ 14	$ 11