Derivative Instruments - Notional Amount of Derivative Contracts (Details) - USD ($) $ in Billions	Dec. 31, 2022	Dec. 31, 2021
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	$ 49,476	$ 49,735
Interest rate contracts
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	33,166	32,801
Swaps
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	24,491	24,075
Futures and forwards
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	2,636	2,520
Options | Written options
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	3,047	3,018
Options | Purchased options
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	2,992	3,188
Net credit derivatives
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	1,132	1,053
Foreign exchange contracts
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	12,747	13,259
Cross-currency swaps
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	4,196	4,112
Spot, futures and forwards
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	7,017	7,679
Options | Written options
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	775	741
Options | Purchased options
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	759	727
Equity contracts
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	1,944	2,003
Swaps
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	618	612
Futures and forwards
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	110	139
Options | Written options
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	636	654
Options | Purchased options
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	580	598
Commodity contracts
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	487	619
Swaps
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	136	185
Spot, futures and forwards
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	136	188
Options | Written options
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	117	135
Options | Purchased options
Notional amount of derivative contracts outstanding [Abstract]
Derivative notional amounts	$ 98	$ 111