v3.25.4
Loans - Schedule of Credit Quality Indicators for Term Loans by Origination Year (Detail) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Financing Receivable, Recorded Investment [Line Items]    
Total $ 239,882 $ 200,866
Percentage of total 100.00% 100.00%
All Classes except Consumer    
Financing Receivable, Recorded Investment [Line Items]    
Total $ 212,911 $ 172,266
Corporate    
Financing Receivable, Recorded Investment [Line Items]    
Total 30,676 29,972
Investment-Grade    
Financing Receivable, Recorded Investment [Line Items]    
Total $ 150,972 $ 115,360
Percentage of total 70.00% 66.00%
Investment-Grade | All Classes except Consumer    
Financing Receivable, Recorded Investment [Line Items]    
Total $ 149,682 $ 113,986
Investment-Grade | Corporate    
Financing Receivable, Recorded Investment [Line Items]    
Total 9,243 8,601
Non-Investment- Grade    
Financing Receivable, Recorded Investment [Line Items]    
Total $ 50,278 $ 47,196
Percentage of total 23.00% 27.00%
Non-Investment- Grade | All Classes except Consumer    
Financing Receivable, Recorded Investment [Line Items]    
Total $ 47,675 $ 45,595
Non-Investment- Grade | Corporate    
Financing Receivable, Recorded Investment [Line Items]    
Total $ 21,432 $ 21,370
Other Metrics/ Unrated    
Financing Receivable, Recorded Investment [Line Items]    
Percentage of total 7.00% 7.00%
Other Metrics/ Unrated | All Classes except Consumer    
Financing Receivable, Recorded Investment [Line Items]    
Total $ 15,554 $ 12,685
Corporate    
Financing Receivable, Recorded Investment [Line Items]    
Year one 5,993 3,992
Year two 2,268 2,968
Year three 1,428 2,812
Year four 1,518 2,459
Year five 1,831 1,389
More than five years 2,006 2,286
Revolving 14,301 12,697
Revolving converted to term 87 86
Total 29,432 28,689
Corporate | Investment-Grade    
Financing Receivable, Recorded Investment [Line Items]    
Year one 2,153 1,447
Year two 623 1,522
Year three 705 727
Year four 680 215
Year five 75 102
More than five years 477 376
Revolving 4,419 4,001
Revolving converted to term 0 0
Total 9,132 8,390
Corporate | Non-Investment- Grade    
Financing Receivable, Recorded Investment [Line Items]    
Year one 3,840 2,545
Year two 1,645 1,446
Year three 723 2,084
Year four 838 2,244
Year five 1,756 1,287
More than five years 1,529 1,910
Revolving 9,881 8,696
Revolving converted to term 87 86
Total 20,299 20,298
Corporate | Other Metrics/ Unrated    
Financing Receivable, Recorded Investment [Line Items]    
Year one 0 0
Year two 0 0
Year three 0 1
Year four 0 0
Year five 0 0
More than five years 0 0
Revolving 1 0
Revolving converted to term 0 0
Total 1 1
Commercial real estate    
Financing Receivable, Recorded Investment [Line Items]    
Year one 6,406 4,684
Year two 4,711 2,331
Year three 1,566 2,682
Year four 2,084 2,525
Year five 2,120 1,039
More than five years 2,123 1,728
Revolving 16,963 13,304
Revolving converted to term 288 606
Total 36,261 28,899
Commercial real estate | Investment-Grade    
Financing Receivable, Recorded Investment [Line Items]    
Year one 3,452 2,988
Year two 3,653 1,079
Year three 993 1,018
Year four 858 624
Year five 390 273
More than five years 851 972
Revolving 14,440 10,355
Revolving converted to term 185 201
Total 24,822 17,510
Commercial real estate | Non-Investment- Grade    
Financing Receivable, Recorded Investment [Line Items]    
Year one 2,866 1,669
Year two 1,058 1,252
Year three 545 1,664
Year four 1,225 1,901
Year five 1,730 766
More than five years 1,272 738
Revolving 2,523 2,944
Revolving converted to term 103 405
Total 11,322 11,339
Commercial real estate | Other Metrics/ Unrated    
Financing Receivable, Recorded Investment [Line Items]    
Year one 88 27
Year two 0 0
Year three 28 0
Year four 1 0
Year five 0 0
More than five years 0 18
Revolving 0 5
Revolving converted to term 0 0
Total 117 50
Residential real estate    
Financing Receivable, Recorded Investment [Line Items]    
Year one 4,208 3,043
Year two 1,561 1,647
Year three 1,245 2,670
Year four 2,494 2,741
Year five 2,542 47
More than five years 326 325
Revolving 16,324 11,770
Total 28,700 22,243
Residential real estate | Investment-Grade    
Financing Receivable, Recorded Investment [Line Items]    
Year one 1,242 713
Year two 89 224
Year three 90 87
Year four 86 21
Year five 15 0
More than five years 0 0
Revolving 14,624 9,182
Total 16,146 10,227
Residential real estate | Non-Investment- Grade    
Financing Receivable, Recorded Investment [Line Items]    
Year one 274 584
Year two 38 9
Year three 0 46
Year four 41 122
Year five 74 6
More than five years 19 19
Revolving 1,700 2,588
Total 2,146 3,374
Residential real estate | Other Metrics/ Unrated    
Financing Receivable, Recorded Investment [Line Items]    
Year one 2,692 1,746
Year two 1,434 1,414
Year three 1,155 2,537
Year four 2,367 2,598
Year five 2,453 41
More than five years 307 306
Revolving 0 0
Total 10,408 8,642
Securities-based    
Financing Receivable, Recorded Investment [Line Items]    
Year one 5 1,622
Year two 1,788 35
Year three 38 5
Year five 5  
More than five years   22
Revolving 16,243 14,793
Total 18,079 16,477
Securities-based | Investment-Grade    
Financing Receivable, Recorded Investment [Line Items]    
Year one 5 1,528
Year two 1,750 35
Year three 38 5
Year five 5  
More than five years   0
Revolving 11,332 11,094
Total 13,130 12,662
Securities-based | Non-Investment- Grade    
Financing Receivable, Recorded Investment [Line Items]    
Year one 0 78
Year two 38 0
Year three 0 0
Year five 0  
More than five years   22
Revolving 305 220
Total 343 320
Securities-based | Other Metrics/ Unrated    
Financing Receivable, Recorded Investment [Line Items]    
Year one 0 16
Year two 0 0
Year three 0 0
Year five 0  
More than five years   0
Revolving 4,606 3,479
Total 4,606 3,495
Other collateralized    
Financing Receivable, Recorded Investment [Line Items]    
Year one 14,674 7,193
Year two 6,117 5,245
Year three 3,183 1,096
Year four 816 1,357
Year five 1,006 1,446
More than five years 697 266
Revolving 70,523 56,599
Revolving converted to term 503 806
Total 97,519 74,008
Other collateralized | Investment-Grade    
Financing Receivable, Recorded Investment [Line Items]    
Year one 10,064 5,033
Year two 4,158 3,816
Year three 2,355 910
Year four 614 546
Year five 725 854
More than five years 590 196
Revolving 64,769 51,373
Revolving converted to term 503 710
Total 83,778 63,438
Other collateralized | Non-Investment- Grade    
Financing Receivable, Recorded Investment [Line Items]    
Year one 4,475 2,009
Year two 1,881 1,279
Year three 735 144
Year four 178 739
Year five 233 566
More than five years 63 45
Revolving 5,754 5,211
Revolving converted to term 0 96
Total 13,319 10,089
Other collateralized | Other Metrics/ Unrated    
Financing Receivable, Recorded Investment [Line Items]    
Year one 135 151
Year two 78 150
Year three 93 42
Year four 24 72
Year five 48 26
More than five years 44 25
Revolving 0 15
Revolving converted to term 0 0
Total 422 481
Other    
Financing Receivable, Recorded Investment [Line Items]    
Year one 674 330
Year two 323 123
Year three 92 42
Year four 23 32
Year five 22 2
More than five years 3  
Revolving 1,783 1,421
Total 2,920 1,950
Other | Investment-Grade    
Financing Receivable, Recorded Investment [Line Items]    
Year one 618 257
Year two 251 113
Year three 81 36
Year four 22 16
Year five 22 0
More than five years 0  
Revolving 1,680 1,337
Total 2,674 1,759
Other | Non-Investment- Grade    
Financing Receivable, Recorded Investment [Line Items]    
Year one 56 73
Year two 72 10
Year three 11 6
Year four 1 0
Year five 0 2
More than five years 3  
Revolving 103 84
Total 246 175
Other | Other Metrics/ Unrated    
Financing Receivable, Recorded Investment [Line Items]    
Year one 0 0
Year two 0 0
Year three 0 0
Year four 0 16
Year five 0 0
More than five years 0  
Revolving 0 0
Total $ 0 $ 16