Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVE FINANCIAL INSTRUMENTS - Asset and Liability Management Add Info (Details Add Info)

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DERIVATIVE FINANCIAL INSTRUMENTS - Asset and Liability Management Add Info (Details Add Info) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Jun. 30, 2020
Jun. 30, 2019
Derivative [Line Items]        
Derivative, Notional Amount $ 28,819 $ 25,927 $ 28,819  
Increase decrease to net interest income due to derivative adjustment $ 52 $ (15) $ 68 $ (29)