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LOANS - Corporate Loans Credit Quality Indicators (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, net of unearned income | $ 733,905 | $ 694,488
Loans at fair value | 7,896 | 8,040
Unallocated portfolio layer cumulative basis adjustments |  | (72)
Corporate loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 103,028 | 91,339
One year prior to current fiscal year | 33,849 | 24,201
Two years prior to current fiscal year | 21,575 | 19,849
Three years prior to current fiscal year | 15,196 | 10,274
Four years prior to current fiscal year | 7,387 | 5,460
Prior | 16,019 | 18,185
Revolving line of credit arrangements | 130,300 | 124,391
Loans, net of unearned income | 335,277 | 301,386
Loans at fair value | 7,870 | 7,759
Loans net of unearned income, before adjustments | 335,224 | 301,458
Unallocated portfolio layer cumulative basis adjustments | 53 | (72)
Corporate loans | Investment grade |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 72,444 | 60,211
One year prior to current fiscal year | 25,049 | 16,807
Two years prior to current fiscal year | 14,620 | 13,502
Three years prior to current fiscal year | 10,826 | 6,177
Four years prior to current fiscal year | 4,632 | 4,106
Prior | 10,787 | 13,464
Revolving line of credit arrangements | 101,733 | 99,148
Loans, net of unearned income | 240,091 | 213,415
Corporate loans | Investment grade | Commercial and industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 36,056 | 36,039
One year prior to current fiscal year | 10,143 | 8,101
Two years prior to current fiscal year | 6,083 | 5,035
Three years prior to current fiscal year | 4,389 | 2,492
Four years prior to current fiscal year | 1,780 | 1,225
Prior | 4,292 | 4,853
Revolving line of credit arrangements | 29,446 | 32,862
Loans, net of unearned income | 92,189 | 90,607
Corporate loans | Investment grade | Financial institutions |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 20,658 | 13,074
One year prior to current fiscal year | 5,912 | 2,136
Two years prior to current fiscal year | 2,311 | 1,162
Three years prior to current fiscal year | 1,375 | 326
Four years prior to current fiscal year | 546 | 265
Prior | 2,074 | 1,500
Revolving line of credit arrangements | 46,114 | 41,415
Loans, net of unearned income | 78,990 | 59,878
Corporate loans | Investment grade | Mortgage and real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 3,760 | 5,325
One year prior to current fiscal year | 4,942 | 3,927
Two years prior to current fiscal year | 3,635 | 3,269
Three years prior to current fiscal year | 2,431 | 2,537
Four years prior to current fiscal year | 1,678 | 1,460
Prior | 1,960 | 1,533
Revolving line of credit arrangements | 418 | 248
Loans, net of unearned income | 18,824 | 18,299
Corporate loans | Investment grade | Other |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 11,970 | 5,773
One year prior to current fiscal year | 4,052 | 2,643
Two years prior to current fiscal year | 2,591 | 4,036
Three years prior to current fiscal year | 2,631 | 822
Four years prior to current fiscal year | 628 | 1,156
Prior | 2,461 | 5,578
Revolving line of credit arrangements | 25,755 | 24,623
Loans, net of unearned income | 50,088 | 44,631
Corporate loans | Non-investment grade |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 30,584 | 31,128
One year prior to current fiscal year | 8,800 | 7,395
Two years prior to current fiscal year | 6,955 | 6,347
Three years prior to current fiscal year | 4,370 | 4,096
Four years prior to current fiscal year | 2,755 | 1,354
Prior | 5,232 | 4,721
Revolving line of credit arrangements | 28,567 | 25,243
Loans, net of unearned income | 87,263 | 80,284
Corporate loans | Non-investment grade, accrual | Commercial and industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 24,142 | 24,937
One year prior to current fiscal year | 5,546 | 5,082
Two years prior to current fiscal year | 3,925 | 3,576
Three years prior to current fiscal year | 2,418 | 1,583
Four years prior to current fiscal year | 762 | 318
Prior | 2,573 | 2,560
Revolving line of credit arrangements | 20,656 | 19,468
Loans, net of unearned income | 60,022 | 57,524
Corporate loans | Non-investment grade, accrual | Financial institutions |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 3,475 | 4,103
One year prior to current fiscal year | 1,377 | 529
Two years prior to current fiscal year | 791 | 255
Three years prior to current fiscal year | 130 | 655
Four years prior to current fiscal year | 432 | 41
Prior | 205 | 355
Revolving line of credit arrangements | 4,663 | 2,489
Loans, net of unearned income | 11,073 | 8,427
Corporate loans | Non-investment grade, accrual | Mortgage and real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 760 | 801
One year prior to current fiscal year | 901 | 1,112
Two years prior to current fiscal year | 1,482 | 1,936
Three years prior to current fiscal year | 1,317 | 1,400
Four years prior to current fiscal year | 1,091 | 770
Prior | 1,681 | 1,190
Revolving line of credit arrangements | 571 | 472
Loans, net of unearned income | 7,803 | 7,681
Corporate loans | Non-investment grade, accrual | Other |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 2,051 | 1,227
One year prior to current fiscal year | 916 | 592
Two years prior to current fiscal year | 593 | 427
Three years prior to current fiscal year | 214 | 261
Four years prior to current fiscal year | 115 | 190
Prior | 381 | 274
Revolving line of credit arrangements | 2,024 | 2,304
Loans, net of unearned income | 6,294 | 5,275
Corporate loans | Non-investment grade, non-accrual | Commercial and industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 72 | 43
One year prior to current fiscal year | 35 | 78
Two years prior to current fiscal year | 98 | 48
Three years prior to current fiscal year | 54 | 17
Four years prior to current fiscal year | 44 | 7
Prior | 59 | 44
Revolving line of credit arrangements | 541 | 305
Loans, net of unearned income | 903 | 542
Corporate loans | Non-investment grade, non-accrual | Financial institutions |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 8 | 0
One year prior to current fiscal year | 0 | 0
Two years prior to current fiscal year | 0 | 0
Three years prior to current fiscal year | 0 | 55
Four years prior to current fiscal year | 45 | 0
Prior | 0 | 0
Revolving line of credit arrangements | 24 | 18
Loans, net of unearned income | 77 | 73
Corporate loans | Non-investment grade, non-accrual | Mortgage and real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 33 | 16
One year prior to current fiscal year | 10 | 2
Two years prior to current fiscal year | 46 | 104
Three years prior to current fiscal year | 237 | 107
Four years prior to current fiscal year | 203 | 28
Prior | 328 | 279
Revolving line of credit arrangements | 67 | 31
Loans, net of unearned income | 924 | 567
Corporate loans | Non-investment grade, non-accrual | Other |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 43 | 1
One year prior to current fiscal year | 15 | 0
Two years prior to current fiscal year | 20 | 1
Three years prior to current fiscal year | 0 | 18
Four years prior to current fiscal year | 63 | 0
Prior | 5 | 19
Revolving line of credit arrangements | 21 | 156
Loans, net of unearned income | $ 167 | $ 195

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