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LEASES (Narrative) (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($) branch	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) branch	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Leases [Abstract]
Number of branches | branch	408		408
Number of branches owned | branch	278		278
Number of branches leased | branch	130		130
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets		Other assets		Other assets
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Premises, equipment and software, net		Premises, equipment and software, net		Premises, equipment and software, net
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Other liabilities		Other liabilities		Other liabilities
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Long-term debt		Long-term debt		Long-term debt
Operating lease income | $	$ 4	$ 3	$ 11	$ 10
Sales-type or direct financing leases | $	349		349		$ 377
Sales-type or direct financing leases income | $	$ 5	$ 5	$ 14	$ 14

X

- Definition

Indicates line item in statement of financial position that includes finance lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-2

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Indicates line item in statement of financial position that includes finance lease right-of-use asset.

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Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

+ References

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-Topic 842
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Present value of lease payments not yet received by lessor and amount expected to be derived from underlying asset, following end of lease term guaranteed by lessee or other third party unrelated to lessor, from sales-type and direct financing leases.

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Amount of profit (loss) for sales-type lease and (loss) for direct financing lease recognized at commencement.

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Number of Branches Leased

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