Derivatives and Hedging Activities - Schedule of Fair Values, Volume of Activity and Gain (Loss) Information Related to Derivative Instruments (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Derivatives, Fair Value [Line Items]
Notional amount	$ 294,230	$ 148,690
Derivative assets, netting adjustments	(967)	(757)
Derivative Assets, net	256	1,024
Derivative liabilities, netting adjustments	(751)	(1,262)
Derivative Liabilities, net	1,532	1,483
Amount of offset in excess of collateral posted	163
Amount of offset in excess of securities collateral posted	248
Amount of offset in excess of cash collateral held	45
Amount of offset in excess of securities collateral held	179
Derivatives Not Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Notional amount	213,838	107,490
Derivative Assets	1,188	1,667
Derivative Liabilities	2,288	2,747
Interest rate | Derivatives Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Notional amount	80,392	41,200
Derivative Assets	35	114
Derivative Liabilities	11	3
Interest rate | Derivatives Not Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Notional amount	186,746	80,772
Derivative Assets	172	189
Derivative Liabilities	1,310	1,304
Foreign exchange | Derivatives Not Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Notional amount	9,707	9,507
Derivative Assets	141	136
Derivative Liabilities	123	131
Commodity | Derivatives Not Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Notional amount	14,576	16,176
Derivative Assets	867	1,328
Derivative Liabilities	842	1,304
Credit | Derivatives Not Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Notional amount	150	95
Derivative Assets	0	1
Derivative Liabilities	9	3
Other
Derivatives, Fair Value [Line Items]
Derivative Assets	1
Other | Derivatives Not Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Notional amount	2,659	940
Derivative Assets	8	13
Derivative Liabilities	4	5
Net derivatives
Derivatives, Fair Value [Line Items]
Notional amount	294,230	148,690
Derivative Assets, net	256	1,024
Derivative Liabilities, net	1,548	1,488
Other collateral
Derivatives, Fair Value [Line Items]
Notional amount	0	0
Derivative Assets, net	0	0
Derivative Liabilities, net	(16)	$ (5)
Short-dated swaps
Derivatives, Fair Value [Line Items]
Notional amount	$ 127,000