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LOANS - Non-Accrual Corporate Loans (Details) - Corporate loans - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | $ 934 |  | $ 934 |  | $ 660
Related specific allowance | 227 |  | 227 |  | 302
Non-accrual loans for which there is no ACLL | 1,137 |  | 1,137 |  | 717
Interest income recognized | 3 | $ 28 | 17 | $ 58 |
Commercial and industrial |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 486 |  | 486 |  | 199
Related specific allowance | 123 |  | 123 |  | 86
Non-accrual loans for which there is no ACLL | 417 |  | 417 |  | 343
Financial institutions |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 0 |  | 0 |  | 0
Related specific allowance | 0 |  | 0 |  | 0
Non-accrual loans for which there is no ACLL | 77 |  | 77 |  | 73
Mortgage and real estate |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 417 |  | 417 |  | 276
Related specific allowance | 29 |  | 29 |  | 42
Non-accrual loans for which there is no ACLL | 507 |  | 507 |  | 291
Lease financing |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Non-accrual loans for which there is no ACLL | 0 |  | 0 |  | 0
Other |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 31 |  | 31 |  | 185
Related specific allowance | 75 |  | 75 |  | 174
Non-accrual loans for which there is no ACLL | $ 136 |  | $ 136 |  | $ 10

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- Definition Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
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- Definition Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
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