v3.21.2
Business Segments - Segment Operating Results (Detail) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Segment Reporting Information [Line Items]        
Non-interest revenues $ 12,044 $ 9,697 $ 42,025 $ 29,478
Net interest income 1,564 1,084 4,675 3,341
Total net revenues 13,608 10,781 46,700 32,819
Provision for credit losses 175 278 13 2,805
Operating expenses 6,591 6,204 24,668 23,076
Pre-tax earnings 6,842 4,299 22,019 6,938
Net earnings 5,378 3,367 17,700 4,953
Net earnings to common 5,284 3,233 17,342 4,553
Average common equity $ 93,833 $ 79,739 $ 90,037 $ 79,840
Return on average common equity 22.50% 16.20% 25.70% 7.60%
Investment Banking [Member]        
Segment Reporting Information [Line Items]        
Non-interest revenues $ 3,599 $ 1,904 $ 10,755 $ 6,614
Net interest income 101 65 325 196
Total net revenues 3,700 1,969 11,080 6,810
Provision for credit losses 41 171 (229) 1,612
Operating expenses 1,343 1,067 5,161 4,940
Pre-tax earnings 2,316 731 6,148 258
Net earnings 1,831 469 4,942 184
Net earnings to common 1,818 452 4,890 133
Average common equity $ 10,346 $ 11,271 $ 10,201 $ 11,251
Return on average common equity 70.30% 16.00% 63.90% 1.60%
Global Markets [Member]        
Segment Reporting Information [Line Items]        
Non-interest revenues $ 4,943 $ 4,093 $ 16,121 $ 15,292
Net interest income 668 460 1,971 1,600
Total net revenues 5,611 4,553 18,092 16,892
Provision for credit losses (24) (15) (30) 236
Operating expenses 2,794 2,542 10,352 10,568
Pre-tax earnings 2,841 2,026 7,770 6,088
Net earnings 2,244 1,904 6,246 4,346
Net earnings to common 2,190 1,816 6,041 4,085
Average common equity $ 46,959 $ 39,960 $ 44,067 $ 40,542
Return on average common equity 18.70% 18.20% 18.30% 13.40%
Asset Management [Member]        
Segment Reporting Information [Line Items]        
Non-interest revenues $ 2,174 $ 2,717 $ 11,619 $ 4,626
Net interest income 105 51 406 147
Total net revenues 2,279 2,768 12,025 4,773
Provision for credit losses 10 70 (2) 420
Operating expenses 823 1,358 4,656 3,888
Pre-tax earnings 1,446 1,340 7,371 465
Net earnings 1,115 858 5,925 332
Net earnings to common 1,096 839 5,853 273
Average common equity $ 25,788 $ 19,989 $ 25,294 $ 20,332
Return on average common equity 17.00% 16.80% 30.90% 1.80%
Consumer & Wealth Management [Member]        
Segment Reporting Information [Line Items]        
Non-interest revenues $ 1,328 $ 983 $ 3,530 $ 2,946
Net interest income 690 508 1,973 1,398
Total net revenues 2,018 1,491 5,503 4,344
Provision for credit losses 148 52 274 537
Operating expenses 1,631 1,237 4,499 3,680
Pre-tax earnings 239 202 730 127
Net earnings 188 136 587 91
Net earnings to common 180 126 558 62
Average common equity $ 10,740 $ 8,519 $ 10,475 $ 7,715
Return on average common equity 6.70% 5.90% 7.10% 1.10%