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
6 Months Ended
Jun. 30, 2023
Dec. 31, 2022
Jun. 30, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]      
ACL balance, end of period $ 2,342 $ 71 $ 2,168
Commercial      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
ACL balance, end of period 1,561 1,500 1,395
ACL, period increase (decrease) 66    
Consumer      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
ACL balance, end of period $ 781 $ 776 $ 773