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ALLOWANCE FOR CREDIT LOSSES - Schedule of Allowance for Credit Losses for Other Assets (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Financing Receivable, Other Assets, Allowance For Credit Loss [Roll Forward] |  |  |  |
Allowance for credit losses on other assets at beginning of quarter | $ 2,699 | $ 1,911 | $ 1,865 | $ 1,788
Gross credit losses | (19) | (14) | (50) | (42)
Gross recoveries | 12 | 8 | 25 | 21
Net credit losses (NCLs) | (7) | (6) | (25) | (21)
Net reserve builds (releases) | 72 | 104 | 474 | 205
Total provision for credit losses | 79 | 110 | 499 | 226
Other, net | (150) | (146) | 282 | (124)
Allowance for credit losses on other assets at end of quarter | 2,621 | 1,869 | 2,621 | 1,869
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Financing Receivable, Other Assets, Allowance For Credit Loss [Roll Forward] |  |  |  |
Allowance for credit losses on other assets at beginning of quarter |  | 0 |  | 0
Deposits with banks |  |  |  |
Financing Receivable, Other Assets, Allowance For Credit Loss [Roll Forward] |  |  |  |
Allowance for credit losses on other assets at beginning of quarter | 40 | 21 | 25 | 31
Gross credit losses | 0 | 0 | 0 | 0
Gross recoveries | 0 | 0 | 0 | 0
Net credit losses (NCLs) | 0 | 0 | 0 | 0
Net reserve builds (releases) | 2 | 2 | 17 | (9)
Total provision for credit losses | 2 | 2 | 17 | (9)
Other, net | 0 | 0 | 0 | 1
Allowance for credit losses on other assets at end of quarter | 42 | 23 | 42 | 23
Deposits with banks | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Financing Receivable, Other Assets, Allowance For Credit Loss [Roll Forward] |  |  |  |
Allowance for credit losses on other assets at beginning of quarter |  | 0 |  | 0
Securities borrowed and purchased under agreements to resell |  |  |  |
Financing Receivable, Other Assets, Allowance For Credit Loss [Roll Forward] |  |  |  |
Allowance for credit losses on other assets at beginning of quarter | 10 | 33 | 3 | 27
Gross credit losses | 0 | 0 | 0 | 0
Gross recoveries | 0 | 0 | 0 | 0
Net credit losses (NCLs) | 0 | 0 | 0 | 0
Net reserve builds (releases) | (2) | (27) | 5 | (22)
Total provision for credit losses | (2) | (27) | 5 | (22)
Other, net | 0 | (2) | 0 | (1)
Allowance for credit losses on other assets at end of quarter | 8 | 4 | 8 | 4
Securities borrowed and purchased under agreements to resell | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Financing Receivable, Other Assets, Allowance For Credit Loss [Roll Forward] |  |  |  |
Allowance for credit losses on other assets at beginning of quarter |  | 0 |  | 0
All other assets |  |  |  |
Financing Receivable, Other Assets, Allowance For Credit Loss [Roll Forward] |  |  |  |
Allowance for credit losses on other assets at beginning of quarter | 2,649 | 1,857 | 1,837 | 1,730
Gross credit losses | (19) | (14) | (50) | (42)
Gross recoveries | 12 | 8 | 25 | 21
Net credit losses (NCLs) | (7) | (6) | (25) | (21)
Net reserve builds (releases) | 72 | 129 | 452 | 236
Total provision for credit losses | 79 | 135 | 477 | 257
Other, net | (150) | (144) | 282 | (124)
Allowance for credit losses on other assets at end of quarter | $ 2,571 | 1,842 | $ 2,571 | 1,842
All other assets | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Financing Receivable, Other Assets, Allowance For Credit Loss [Roll Forward] |  |  |  |
Allowance for credit losses on other assets at beginning of quarter |  | $ 0 |  | $ 0

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