Derivatives and Hedging Activities - Schedule of Fair Values, Volume of Activity and Gain (Loss) Information Related to Derivative Instruments (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Derivatives, Fair Value [Line Items]
Notional Amount	$ 161,289	$ 148,690
Derivative assets, netting adjustments	(978)	(757)
Derivative Assets, net	397	1,024
Derivative liabilities, netting adjustments	(850)	(1,262)
Derivative Liabilities, net	1,281	1,483
Amount of offset in excess of collateral posted	184
Amount of offset in excess of collateral held	58
Derivatives Not Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Notional Amount	111,046	107,490
Derivative Assets	1,321	1,667
Derivative Liabilities	2,167	2,747
Interest rate | Derivatives Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Notional Amount	50,243	41,200
Derivative Assets	54	114
Derivative Liabilities	(23)	3
Interest rate | Derivatives Not Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Notional Amount	84,338	80,772
Derivative Assets	187	189
Derivative Liabilities	1,080	1,304
Foreign exchange | Derivatives Not Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Notional Amount	10,320	9,507
Derivative Assets	131	136
Derivative Liabilities	113	131
Commodity | Derivatives Not Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Notional Amount	14,382	16,176
Derivative Assets	986	1,328
Derivative Liabilities	962	1,304
Credit | Derivatives Not Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Notional Amount	146	95
Derivative Assets	1	1
Derivative Liabilities	3	3
Other
Derivatives, Fair Value [Line Items]
Derivative Assets	1
Other | Derivatives Not Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Notional Amount	1,860	940
Derivative Assets	16	13
Derivative Liabilities	9	5
Net derivatives
Derivatives, Fair Value [Line Items]
Notional Amount	161,289	148,690
Derivative Assets, net	397	1,024
Derivative Liabilities, net	1,294	1,488
Other collateral
Derivatives, Fair Value [Line Items]
Notional Amount	0	0
Derivative Assets, net	0	0
Derivative Liabilities, net	$ (13)	$ (5)