v3.22.0.1
Business Segments - Segment Operating Results (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Segment Reporting Information [Line Items]      
Non-interest revenues $ 52,869 $ 39,809 $ 32,184
Net interest income 6,470 4,751 4,362
Total net revenues 59,339 44,560 36,546
Provision for credit losses 357 3,098 1,065
Operating expenses 31,938 28,983 24,898
Pre-tax earnings 27,044 12,479 10,583
Net earnings 21,635 9,459 8,466
Net earnings to common 21,151 8,915 7,897
Average common equity $ 91,829 $ 80,576 $ 79,094
Return on average common equity 23.00% 11.10% 10.00%
Investment Banking [Member]      
Segment Reporting Information [Line Items]      
Non-interest revenues $ 14,425 $ 9,158 $ 7,079
Net interest income 451 265 520
Total net revenues 14,876 9,423 7,599
Provision for credit losses (298) 1,624 333
Operating expenses 6,705 6,134 4,685
Pre-tax earnings 8,469 1,665 2,581
Net earnings 6,775 1,262 2,065
Net earnings to common 6,705 1,193 1,996
Average common equity $ 10,341 $ 11,313 $ 11,167
Return on average common equity 64.80% 10.50% 17.90%
Global Markets [Member]      
Segment Reporting Information [Line Items]      
Non-interest revenues $ 19,309 $ 18,928 $ 13,109
Net interest income 2,768 2,229 1,670
Total net revenues 22,077 21,157 14,779
Provision for credit losses 45 274 35
Operating expenses 12,969 12,806 10,851
Pre-tax earnings 9,063 8,077 3,893
Net earnings 7,250 6,122 3,114
Net earnings to common 6,973 5,766 2,729
Average common equity $ 45,497 $ 40,760 $ 40,060
Return on average common equity 15.30% 14.10% 6.80%
Asset Management [Member]      
Segment Reporting Information [Line Items]      
Non-interest revenues $ 14,366 $ 7,743 $ 8,454
Net interest income 550 241 511
Total net revenues 14,916 7,984 8,965
Provision for credit losses 18 442 274
Operating expenses 5,970 5,142 4,817
Pre-tax earnings 8,928 2,400 3,874
Net earnings 7,143 1,819 3,099
Net earnings to common 7,046 1,740 3,013
Average common equity $ 25,195 $ 20,491 $ 21,575
Return on average common equity 28.00% 8.50% 14.00%
Consumer & Wealth Management [Member]      
Segment Reporting Information [Line Items]      
Non-interest revenues $ 4,769 $ 3,980 $ 3,542
Net interest income 2,701 2,016 1,661
Total net revenues 7,470 5,996 5,203
Provision for credit losses 592 758 423
Operating expenses 6,294 4,901 4,545
Pre-tax earnings 584 337 235
Net earnings 467 256 188
Net earnings to common 427 216 159
Average common equity $ 10,796 $ 8,012 $ 6,292
Return on average common equity 4.00% 2.70% 2.50%