Annual report pursuant to Section 13 and 15(d)

PREMISES AND EQUIPMENT (Details)

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PREMISES AND EQUIPMENT (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment, Net, by Type [Abstract]      
Total premises and equipment $ 2,213 $ 1,723  
Less accumulated depreciation and amortization (1,049) (966)  
Net premises and equipment 1,164 757  
Property Plant and Equipment Income Statement Disclosures [Abstract]      
Total depreciation and amortization of premises and equipment 178 119 $ 116
Rental income credited to net occupancy expense 9 10 $ 11
Land and land improvements      
Property, Plant and Equipment, Net, by Type [Abstract]      
Total premises and equipment 335 198  
Buildings      
Property, Plant and Equipment, Net, by Type [Abstract]      
Total premises and equipment 807 586  
Leasehold improvements      
Property, Plant and Equipment, Net, by Type [Abstract]      
Total premises and equipment 219 203  
Equipment      
Property, Plant and Equipment, Net, by Type [Abstract]      
Total premises and equipment $ 852 $ 736