NOTES PAYABLE - Narrative (Details) - USD ($) $ in Billions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Medium term notes called during the period	$ 2.2	$ 1.9
Maximum borrowing capacity from U.S. Treasury	$ 1.5
Discount notes
Debt Instrument [Line Items]
Maturities of notes	1 year
Maximum amount of discount notes outstanding at any month end	$ 2.6	$ 2.3
Medium-term notes | Minimum
Debt Instrument [Line Items]
Maturities of notes	6 months
Medium-term notes | Maximum
Debt Instrument [Line Items]
Maturities of notes	25 years