INCOME TAXES - Deferred Income Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Other comprehensive income	$ 1,242	$ 1,291
Allowance for credit losses	552	555
Federal and state net operating and capital loss carryforwards	69	79
Accrued expenses	1,198	1,152
Investment and other tax credit carryforwards	214	130
Partnerships	4	0
Other	10	9
Total deferred tax assets	3,289	3,216
Valuation allowance	(120)	(137)
Deferred tax assets, net of valuation allowance	3,169	3,079
Deferred tax liabilities:
Leasing transactions	208	297
Amortization of intangibles	425	421
Depreciation	570	532
Pension and other employee compensation plans	146	130
Partnerships	0	12
Deferred Income	24	3
MSRs	243	252
Total deferred tax liabilities	1,616	1,647
Net deferred tax asset (liability)	$ 1,553	$ 1,432