Derivatives and Hedging Activities - Fair Value of Derivative Assets by Type (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Credit Derivatives [Line Items]
Derivative assets before collateral	$ 1,632	$ 1,862
Plus(Less): Related collateral	(31)	100
Total derivative assets	1,601	1,962
Interest rate
Credit Derivatives [Line Items]
Derivative assets before collateral	163	696
Foreign exchange
Credit Derivatives [Line Items]
Derivative assets before collateral	127	31
Commodity
Credit Derivatives [Line Items]
Derivative assets before collateral	1,324	1,108
Credit
Credit Derivatives [Line Items]
Derivative assets before collateral	0	0
Other
Credit Derivatives [Line Items]
Derivative assets before collateral	$ 18	$ 27