Quarterly report pursuant to Section 13 or 15(d)

ALLOWANCE FOR CREDIT LOSSES - Narritive (Details)

v3.21.2
ALLOWANCE FOR CREDIT LOSSES - Narritive (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Jun. 30, 2020
Credit Loss [Abstract]      
Acl Balance End Of Period $ 2,322 $ 1,900 $ 1,821
Allowance for credit loss, change since adoption $ 456