Derivatives and Hedging Activities - Schedule of Fair Value of Derivative Assets by Type (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Credit Derivatives [Line Items]
Derivative assets before collateral	$ 565	$ 589
Plus(Less): Related collateral	(360)	(408)
Derivative assets	205	181
Interest rate
Credit Derivatives [Line Items]
Derivative assets before collateral	81	123
Foreign exchange
Credit Derivatives [Line Items]
Derivative assets before collateral	46	42
Commodity
Credit Derivatives [Line Items]
Derivative assets before collateral	433	409
Credit
Credit Derivatives [Line Items]
Derivative assets before collateral	0	0
Other
Credit Derivatives [Line Items]
Derivative assets before collateral	$ 5	$ 15