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DERIVATIVE FINANCIAL INSTRUMENTS - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025
Derivative [Line Items]
Amounts eligible to be offset under master netting agreements	$ 0	$ 0
Credit contracts
Derivative [Line Items]
Notional		2,000,000,000
Not Designated as Hedging Instrument \| Credit contracts
Derivative [Line Items]
Notional	$ 0	$ 2,000,000,000
Not Designated as Hedging Instrument \| Interest rate swaps
Derivative [Line Items]
Notional			$ 1,500,000,000
Cash Flow Hedging \| Designated as Hedging Instrument
Derivative [Line Items]
Maximum length of time hedged in cash flow hedge (in years)	29 years