Derivatives and Hedging Activities - Fair Value of Derivative Assets by Type (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Credit Derivatives [Line Items]
Derivative assets before collateral	$ 2,590	$ 1,862
Plus(Less): Related collateral	149	100
Total derivative assets	2,739	1,962
Interest rate
Credit Derivatives [Line Items]
Derivative assets before collateral	241	696
Foreign exchange
Credit Derivatives [Line Items]
Derivative assets before collateral	42	31
Commodity
Credit Derivatives [Line Items]
Derivative assets before collateral	2,285	1,108
Credit
Credit Derivatives [Line Items]
Derivative assets before collateral	0	0
Other
Credit Derivatives [Line Items]
Derivative assets before collateral	$ 22	$ 27