COMMISSIONS AND FEES; ADMINISTRATION AND OTHER FIDUCIARY FEES - Administration and Other Fiduciary Fees (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Commissions and fees | |||
| Administration and other fiduciary fees | $ 4,414 | $ 4,134 | $ 3,781 |
| Custody fees | |||
| Commissions and fees | |||
| Administration and other fiduciary fees | 2,148 | 2,026 | 1,871 |
| Fiduciary fees | |||
| Commissions and fees | |||
| Administration and other fiduciary fees | 1,728 | 1,583 | 1,376 |
| Guarantee fees | |||
| Commissions and fees | |||
| Administration and other fiduciary fees | 538 | 525 | 534 |
| Administration and other fiduciary fees | |||
| Commissions and fees | |||
| Administration and other fiduciary fees | 4,414 | 4,134 | 3,781 |
| Revenue not accounted for under ASC 606 | $ 538 | $ 525 | $ 534 |