INCOME TAXES - Schedule of Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Deferred Tax Assets:
Allowance for loan and lease losses	$ 500	$ 542
Net unrealized loss on investment securities available for sale	226	235
Deferred compensation	128	152
Capitalized costs	110	75
Lease liabilities	84	115
Tax credits	79	21
Net operating loss carry forwards	76	118
Accrued liabilities and reserves	53	104
Other	59	63
Total gross deferred tax assets	1,315	1,425
Deferred Tax Liabilities:
Basis difference in loans	(2,243)	(2,598)
Operating leases	(1,847)	(1,729)
Loans and direct financing leases	(329)	(260)
Pension assets	(129)	(110)
Right of use assets for operating leases	(73)	(110)
Other	(149)	(169)
Total deferred tax liabilities	(4,770)	(4,976)
Total net deferred tax liability before valuation allowances	(3,455)	(3,551)
Less: valuation allowances	(17)	(28)
Net deferred tax liability after valuation allowances	$ (3,472)	$ (3,579)