DERIVATIVE FINANCIAL INSTRUMENTS - Cash Flow Hedges and Economic Hedges (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2025	Dec. 31, 2024
Derivative Instruments, Gain (Loss) [Line Items]
Notional Value	$ 42,311	$ 45,809
Net losses recognized in AOCI expected to be reclassed	(19)
Loans
Derivative Instruments, Gain (Loss) [Line Items]
Notional Value	$ 26,425	$ 23,475

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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