Regulatory Requirements - The Firm's Regulatory Capital and Capital Ratios (Details) - USD ($) $ in Millions	Jun. 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	$ 70,230	$ 75,742
Tier 1 capital	77,778	83,348
Total capital	88,445	93,166
Total RWA	460,955	471,921
Adjusted average assets	1,177,052	1,169,939
Supplementary leverage exposure	$ 1,453,445	$ 1,476,962
Ratio
Common Equity Tier 1 capital (as a percent)	0.152	0.160
Tier 1 capital (as a percent)	0.169	0.177
Total capital (as a percent)	0.192	0.197
Tier 1 leverage (as a percent)	0.066	0.071
SLR (as a percent)	0.054	0.056