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FAIR VALUE (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
FAIR VALUE (Narrative) (Details) - USD ($)	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loan, held for sale fair value	$ 51,000,000		$ 51,000,000		$ 71,000,000
Fair Value, Recurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loan, held for sale fair value	51,000,000		51,000,000		71,000,000
Financing receivable, held for sale	51,000,000		51,000,000		72,000,000
Net gains from valuation adjustments of loans carried at fair value			7,000,000	$ 3,000,000
Total assets	10,673,000,000		10,673,000,000		10,327,000,000
Level 2 \| Fair Value, Recurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loan, held for sale fair value	51,000,000		51,000,000		71,000,000
Total assets	8,663,000,000		8,663,000,000		8,864,000,000
Level 2 \| Fair Value, Nonrecurring \| Collateral Dependent Loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total assets	11,000,000		11,000,000
Losses from fair value changes	(3,000,000)
Level 3 \| Fair Value, Recurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loan, held for sale fair value	0		0		0
Total assets	228,000,000		228,000,000		$ 175,000,000
Realized gains (losses) in the statement of income	$ 4,000,000	$ (5,000,000)	$ 4,000,000	$ (5,000,000)