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 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Jun. 30, 2021
Dec. 31, 2020
Jun. 30, 2020
Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Roll Forward]                
Total ALLL balance $ 2,107   $ 2,107     $ 1,814    
Financing Receivable, Allowance for Credit Loss, Writeoff 106 $ 141 303 $ 400        
Allowance for Loan and Lease Loss, Recovery of Bad Debts 51 28 122 63        
Provision for credit losses (56) 207 42 959        
Provision (reduction in allowance) for unfunded loan commitments and letters of credit (6) (30) 47 (14)        
Additions to Unfunded Loan Commitments and Letters of Credit Allowance   (7) 1 (10)        
Acl Balance End Of Period 2,205 1,878 2,205 1,878   1,900    
Allowance for credit loss, change since adoption     339          
Allowance For Loans Sold Or Transferred To Loans Held For Sale     432          
Financing Receivable, Allowance for Credit Loss 2,107 1,796 2,107 1,796 $ 2,218 1,814 $ 1,702 $ 783
Off-Balance Sheet, Credit Loss, Liability 98 82 98 82 104 52 119 104
TCF Financial Corporation                
Financing Receivable, Allowance for Credit Loss [Roll Forward]                
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 32 40 90 128        
Allowance for Loan and Lease Loss, Recovery of Bad Debts 24 16 64 43        
Provision for credit losses (34) 24 (52) 176        
Provision (reduction in allowance) for unfunded loan commitments and letters of credit (8) (3) 2 (7)        
Additions to Unfunded Loan Commitments and Letters of Credit Allowance   0 0 0        
Acl Balance End Of Period 578 568 578 568        
Allowance For Loans Sold Or Transferred To Loans Held For Sale     58          
Financing Receivable, Allowance for Credit Loss 558 533 558 533 600 578 533 231
Off-Balance Sheet, Credit Loss, Liability 20 35 20 35 28 18 38 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 74 101 213 272        
Allowance for Loan and Lease Loss, Recovery of Bad Debts 27 12 58 20        
Provision for credit losses (22) 183 94 783        
Provision (reduction in allowance) for unfunded loan commitments and letters of credit 2 (27) 45 (7)        
Additions to Unfunded Loan Commitments and Letters of Credit Allowance   (7) (1) (10)        
Acl Balance End Of Period 1,627 1,310 1,627 1,310        
Allowance For Loans Sold Or Transferred To Loans Held For Sale     374          
Financing Receivable, Allowance for Credit Loss 1,549 1,263 1,549 1,263 1,618 1,236 1,169 552
Off-Balance Sheet, Credit Loss, Liability $ 78 $ 47 $ 78 $ 47 $ 76 34 $ 81 102
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           40    
Cumulative Effect, Period of Adoption, Adjustment | Commercial | ASU 2016-13                
Financing Receivable, Allowance for Credit Loss [Roll Forward]                
AULC Balance           $ (38)