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MORTGAGE BANKING AND OTHER SERVICED LOANS - Narrative (Details) - USD ($) $ in Billions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Dec. 31, 2024
Residential mortgages |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
MSR loans | $ 95.2 | $ 95.6
Minimum |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Sensitivity analysis, basis spread | 10.00% |
Maximum |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Sensitivity analysis, basis spread | 20.00% |

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