Quarterly report pursuant to Section 13 or 15(d)

ALLOWANCE FOR CREDIT LOSSES - Narrative (Details)

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ALLOWANCE FOR CREDIT LOSSES - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Mar. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]      
ACL balance, end of period $ 2,299   $ 2,109
ACL, period increase (decrease) 28    
Commercial      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
ACL balance, end of period 1,532 $ 1,500 1,571
ACL, period increase (decrease) 37    
Consumer      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
ACL balance, end of period 767 $ 776 $ 538
ACL, period increase (decrease) $ (9)