Quarterly report pursuant to Section 13 or 15(d)

ALLOWANCE FOR CREDIT LOSSES - Allowance for Credit Losses (Details)

v3.21.2
ALLOWANCE FOR CREDIT LOSSES - Allowance for Credit Losses (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Mar. 31, 2021
Dec. 31, 2020
Mar. 31, 2020
Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Roll Forward]                
Total ALLL balance $ 2,218   $ 2,218     $ 1,814    
Financing Receivable, Allowance for Credit Loss, Writeoff 102 $ 123 197 $ 259        
Allowance for Loan and Lease Loss, Recovery of Bad Debts 40 16 71 35        
Provision for credit losses 145 305 98 752        
Provision (reduction in allowance) for unfunded loan commitments and letters of credit 66 22 53 16        
Additions to Unfunded Loan Commitments and Letters of Credit Allowance   (2) 1 (3)        
Acl Balance End Of Period 2,322 1,821 2,322 1,821   1,900    
Allowance for credit loss, change since adoption     456          
Allowance For Loans Sold Or Transferred To Loans Held For Sale 432   432          
Financing Receivable, Allowance for Credit Loss 2,218 1,702 2,218 1,702 $ 1,703 1,814 $ 1,504 $ 783
Off-Balance Sheet, Credit Loss, Liability 104 119 104 119 38 52 99 104
TCF Financial Corporation                
Financing Receivable, Allowance for Credit Loss [Roll Forward]                
Financing Receivable, Allowance for Credit Loss, Writeoff 80   80          
Provision for credit losses 234   234          
Provision (reduction in allowance) for unfunded loan commitments and letters of credit 60   60          
Financing Receivable, Allowance for Credit Loss 294   294          
ASU 2016-13                
Financing Receivable, Allowance for Credit Loss [Roll Forward]                
Total ALLL balance               391
Consumer                
Financing Receivable, Allowance for Credit Loss [Roll Forward]                
Financing Receivable, Allowance for Credit Loss, Writeoff 24 39 58 87        
Allowance for Loan and Lease Loss, Recovery of Bad Debts 21 12 40 26        
Provision for credit losses 39 52 (18) 152        
Provision (reduction in allowance) for unfunded loan commitments and letters of credit 17 (3) 10 36        
Additions to Unfunded Loan Commitments and Letters of Credit Allowance   0 0 0        
Acl Balance End Of Period 628 571 628 571        
Allowance For Loans Sold Or Transferred To Loans Held For Sale 58   58          
Financing Receivable, Allowance for Credit Loss 600 533 600 533 506 578 508 231
Off-Balance Sheet, Credit Loss, Liability 28 38 28 38 11 18 41 2
Consumer | ASU 2016-13                
Financing Receivable, Allowance for Credit Loss [Roll Forward]                
Total ALLL balance               211
Commercial                
Financing Receivable, Allowance for Credit Loss [Roll Forward]                
Financing Receivable, Allowance for Credit Loss, Writeoff 78 84 139 172        
Allowance for Loan and Lease Loss, Recovery of Bad Debts 19 4 31 9        
Provision for credit losses 106 253 116 600        
Provision (reduction in allowance) for unfunded loan commitments and letters of credit 49 25 43 (20)        
Additions to Unfunded Loan Commitments and Letters of Credit Allowance   (2) (1) (3)        
Acl Balance End Of Period 1,694 1,250 1,694 1,250        
Allowance For Loans Sold Or Transferred To Loans Held For Sale 374   374          
Financing Receivable, Allowance for Credit Loss 1,618 1,169 1,618 1,169 1,197 1,236 996 552
Off-Balance Sheet, Credit Loss, Liability $ 76 $ 81 $ 76 $ 81 $ 27 34 $ 58 102
Commercial | ASU 2016-13                
Financing Receivable, Allowance for Credit Loss [Roll Forward]                
Total ALLL balance               $ 180
Cumulative Effect, Period of Adoption, Adjustment | ASU 2016-13                
Financing Receivable, Allowance for Credit Loss [Roll Forward]                
AULC Balance           2    
Cumulative Effect, Period of Adoption, Adjustment | Consumer | ASU 2016-13                
Financing Receivable, Allowance for Credit Loss [Roll Forward]                
AULC Balance           0    
Cumulative Effect, Period of Adoption, Adjustment | Commercial | ASU 2016-13                
Financing Receivable, Allowance for Credit Loss [Roll Forward]                
AULC Balance           $ 2