INCOME TAXES - Deferred Income Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Other comprehensive income	$ 1,546	$ 227
Allowance for credit losses	511	448
Federal and state net operating and capital loss carryforwards	77	50
Accrued expenses not currently deductible	863	676
Investment and other tax credit carryforwards	131	110
Other	19	0
Total deferred tax assets	3,147	1,511
Valuation allowance	(133)	(103)
Deferred tax assets, net of valuation allowance	3,014	1,408
Deferred tax liabilities:
Leasing transactions	287	331
Amortization of intangibles	413	379
Depreciation	470	256
Pension and other employee compensation plans	128	132
Partnerships	87	95
Deferred Income	12	85
MSRs	203	130
Total deferred tax liabilities	1,600	1,408
Net deferred tax asset (liability)	$ 1,414
Net deferred tax asset (liability)		$ 0