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LOANS - Corporate Loan Delinquency (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans at fair value | $ 7,896 | $ 8,040
Unallocated portfolio layer cumulative basis adjustments |  | (72)
Corporate loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total past due and accruing | 553 | 313
Total non-accrual | 2,071 | 1,377
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 | Commercial and industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total past due and accruing | 229 | 218
Total non-accrual | 903 | 542
Corporate loans, net of unearned income | 153,114 | 148,674
Corporate loans | Financial institutions |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total past due and accruing | 2 | 8
Total non-accrual | 77 | 73
Corporate loans, net of unearned income | 90,140 | 68,378
Corporate loans | Mortgage and real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total past due and accruing | 271 | 8
Total non-accrual | 924 | 567
Corporate loans, net of unearned income | 27,551 | 26,546
Corporate loans | Lease financing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total past due and accruing | 1 | 1
Total non-accrual | 0 | 0
Corporate loans, net of unearned income | 173 | 276
Corporate loans | Other |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total past due and accruing | 50 | 78
Total non-accrual | 167 | 195
Corporate loans, net of unearned income | 56,376 | 49,825
Corporate loans | 30–89 days past due |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total past due and accruing | 337 | 259
Corporate loans | 30–89 days past due | Commercial and industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total past due and accruing | 191 | 183
Corporate loans | 30–89 days past due | Financial institutions |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total past due and accruing | 2 | 8
Corporate loans | 30–89 days past due | Mortgage and real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total past due and accruing | 111 | 6
Corporate loans | 30–89 days past due | Lease financing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total past due and accruing | 0 | 0
Corporate loans | 30–89 days past due | Other |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total past due and accruing | 33 | 62
Corporate loans | Equal to and greater than 90 days past due and accruing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total past due and accruing | 216 | 54
Corporate loans | Equal to and greater than 90 days past due and accruing | Commercial and industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total past due and accruing | 38 | 35
Corporate loans | Equal to and greater than 90 days past due and accruing | Financial institutions |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total past due and accruing | 0 | 0
Corporate loans | Equal to and greater than 90 days past due and accruing | Mortgage and real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total past due and accruing | 160 | 2
Corporate loans | Equal to and greater than 90 days past due and accruing | Lease financing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total past due and accruing | 1 | 1
Corporate loans | Equal to and greater than 90 days past due and accruing | Other |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total past due and accruing | 17 | 16
Corporate loans | Current |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Corporate loans, net of unearned income | 324,730 | 292,009
Corporate loans | Current | Commercial and industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Corporate loans, net of unearned income | 151,982 | 147,914
Corporate loans | Current | Financial institutions |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Corporate loans, net of unearned income | 90,061 | 68,297
Corporate loans | Current | Mortgage and real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Corporate loans, net of unearned income | 26,356 | 25,971
Corporate loans | Current | Lease financing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Corporate loans, net of unearned income | 172 | 275
Corporate loans | Current | Other |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Corporate loans, net of unearned income | $ 56,159 | $ 49,552

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