Regulatory Requirements - The Firm's Regulatory Capital and Capital Ratios (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Required Ratio
Common Equity Tier 1 capital (as a percent)	13.20%	13.20%
Tier 1 capital (as a percent)	0.147	0.147
Total capital (as a percent)	0.167	0.167
Tier 1 leverage (as a percent)	0.040
SLR (as a percent)	5.00%
Amount
Common Equity Tier 1 capital	$ 67,933	$ 75,742
Tier 1 capital	76,428	83,348
Total capital	86,139	93,166
Total RWA	457,911	471,921
Adjusted average assets	1,154,411	1,169,939
Supplementary leverage exposure	$ 1,406,345	$ 1,476,962
Ratio
Common Equity Tier 1 capital (as a percent)	0.148	0.160
Tier 1 capital (as a percent)	0.167	0.177
Total capital (as a percent)	0.188	0.197
Tier 1 leverage (as a percent)	0.066	0.071
SLR (as a percent)	0.054	0.056