GOODWILL AND CORE DEPOSIT INTANGIBLES - Schedule of Changes in Intangible Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Finite-lived Intangible Liabilities [Roll Forward]
Below market lease, net, beginning balance	$ 24	$ 36
Amortization	(6)	(12)
Below market lease, net, ending balance	$ 18	$ 24

Amount of amortization of acquired leases acquired as part of a real property acquisition at below market lease rate with a finite life.

No definition available.

Name:	us-gaap_AmortizationOfBelowMarketLease
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration