Deposits - Noninterest and Interest-bearing (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
U.S. offices
Noninterest-bearing (included $38,803 and $26,363 at fair value)	$ 663,772	$ 644,902
Interest-bearing (included $595 and $586 at fair value)	1,290,614	1,276,346
Total deposits in U.S. offices	1,954,386	1,921,248
Non-U.S. offices
Noninterest-bearing (included $1,443 and $1,398 at fair value)	25,071	27,005
Interest-bearing (included $739 and $273 at fair value)	397,796	391,926
Total deposits in non-U.S. offices	422,867	418,931
Total deposits	2,377,253	2,340,179
Fair value
U.S. offices
Noninterest-bearing (included $38,803 and $26,363 at fair value)	38,803	26,363
Interest-bearing, fair value	595	586
Non-U.S. offices
Noninterest-bearing (included $1,443 and $1,398 at fair value)	1,443	1,398
Interest-bearing, fair value	$ 739	$ 273