Annual report pursuant to Section 13 and 15(d)

LOANS / LEASES - Narrative (Details)

v3.20.4
LOANS / LEASES - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Loans net premium $ 491 $ 525  
Residual Value of Leased Asset 93    
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
Future lease rental payments due 1,700    
Future lease rental payments due, in 2016 600    
Future lease rental payments due, in 2017 400    
Future lease rental payments due, in 2018 300    
Future lease rental payments due, in 2019 200    
Future lease rental payments due, in 2020 100    
Future lease rental payments due, after 2020 100    
Direct Financing Lease, Interest Income 106 108 $ 100
Interest income under original terms for NAL loans 33 26 22
Interest income recorded for NAL loans 6 9 12
Interest income under original terms for TDR loans 46 52 51
Interest income recorded for TDR loans 43 49 $ 48
Financial effects of modification 6 (2)  
Loans and Leases Receivable, Collateral for Secured Borrowings $ 43,000 $ 39,600