OTHER ASSETS (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Affordable housing tax credit and other unconsolidated investments	$ 2,246	$ 2,052
Accrued interest receivable	925	832
Fair value of derivative financial instruments	646	640
Pension assets	476	474
Right of use assets for operating leases, net	344	354
Income tax receivable	402	209
Counterparty receivables	65	114
Bank-owned life insurance	106	105
Nonmarketable equity securities	108	103
Other real estate owned	56	58
Mortgage servicing rights	26	25
Federal Home Loan Bank stock	20	20
Other	982	871
Total other assets	$ 6,402	$ 5,857