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ALLOWANCE FOR CREDIT LOSSES - Narrative (Details) - USD ($) $ in Millions | 9 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2025 | Jun. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023
Allowance for loan losses disclosures |  |  |  |  |  |
Total ACL | $ 23,778 |  | $ 22,177 | $ 22,091 |  |
Increase in total ACL | 1,601 |  |  |  |  |
Allowance for credit losses | 19,206 | $ 19,123 | 18,574 | 18,356 | $ 18,216 | $ 18,145
Allowance for credit losses on unfunded commitments (ACLUC) | 1,820 | 1,721 | 1,601 | 1,725 | 1,619 | 1,728
Increase in credit loss | 219 |  |  |  |  |
Consumer loans |  |  |  |  |  |
Allowance for loan losses disclosures |  |  |  |  |  |
Allowance for credit losses | 16,205 | 16,100 | 16,018 | 15,765 | 15,732 | 15,431
Increase in allowance | 187 |  |  |  |  |
Corporate loans |  |  |  |  |  |
Allowance for loan losses disclosures |  |  |  |  |  |
Allowance for credit losses | 3,001 | $ 3,023 | $ 2,556 | $ 2,591 | $ 2,484 | $ 2,714
Increase in allowance | $ 445 |  |  |  |  |

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