Annual report pursuant to Section 13 and 15(d)

LOANS / LEASES - Allowance for Credit Losses (Details)

v3.20.4
LOANS / LEASES - Allowance for Credit Losses (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Jan. 01, 2020
Financing Receivable, Allowance for Credit Loss [Roll Forward]        
ALLL balance beginning of period $ 783 $ 772 $ 691  
Financing Receivable, Allowance for Credit Loss, Writeoff (540) (362) (268)  
Allowance for Loan and Lease Loss, Recovery of Bad Debts 91 97 123  
Provision For (Reduction In Allowance) Loan and Lease Losses. (1,089) (277) (226)  
Allowance For Loans Sold Or Transferred To Loans Held For Sale   1    
ALLL balance end of period 1,814 783 772  
AULC balance beginning of period 104 96 87  
Provision For (Reduction In Allowance) Unfunded Loan Commitments and Letters of Credit. 41 (10) 9  
AULC balance end of period 52 104 96  
ACL balance end of period 1,866 887 868 $ 887
Additions to Unfunded Loan Commitments and Letters of Credit Allowance (13)      
Commercial and industrial        
Financing Receivable, Allowance for Credit Loss [Roll Forward]        
ALLL balance beginning of period 552 542 482  
Financing Receivable, Allowance for Credit Loss, Writeoff (374) (165) (79)  
Allowance for Loan and Lease Loss, Recovery of Bad Debts 32 40 65  
Provision For (Reduction In Allowance) Loan and Lease Losses. (846) (135) (74)  
Allowance For Loans Sold Or Transferred To Loans Held For Sale   0    
ALLL balance end of period 1,236 552 542  
AULC balance beginning of period 102 94 84  
Provision For (Reduction In Allowance) Unfunded Loan Commitments and Letters of Credit. 17 (10) 10  
AULC balance end of period 34 102 94  
ACL balance end of period 1,270 654 636  
Additions to Unfunded Loan Commitments and Letters of Credit Allowance (13)      
Consumer        
Financing Receivable, Allowance for Credit Loss [Roll Forward]        
ALLL balance beginning of period 231 230 209  
Financing Receivable, Allowance for Credit Loss, Writeoff (166) (197) (189)  
Allowance for Loan and Lease Loss, Recovery of Bad Debts 59 57 58  
Provision For (Reduction In Allowance) Loan and Lease Losses. (243) (142) (152)  
Allowance For Loans Sold Or Transferred To Loans Held For Sale   1    
ALLL balance end of period 578 231 230  
AULC balance beginning of period 2 2 3  
Provision For (Reduction In Allowance) Unfunded Loan Commitments and Letters of Credit. 24 0 (1)  
AULC balance end of period 18 2 2  
ACL balance end of period 596 $ 233 $ 232  
Additions to Unfunded Loan Commitments and Letters of Credit Allowance $ 0