Annual report pursuant to Section 13 and 15(d)

DERIVATIVE FINANCIAL INSTRUMENTS - Mortgage Banking Activities (Details)

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DERIVATIVE FINANCIAL INSTRUMENTS - Mortgage Banking Activities (Details) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Derivative assets:    
Derivative assets gross $ 500 $ 322
Derivative liabilities:    
Total derivative liabilities $ (404) $ (331)