Annual report pursuant to Section 13 and 15(d)

NONINTEREST INCOME - Summary of Noninterest Income (Details)

v3.10.0.1
NONINTEREST INCOME - Summary of Noninterest Income (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Revenue from Contract with Customer [Abstract]                      
Noninterest income from contracts with customers                 $ 881    
Noninterest income within the scope of other GAAP topics                 440    
Total noninterest income $ 329 $ 342 $ 336 $ 314 $ 340 $ 330 $ 325 $ 312 $ 1,321 $ 1,307 $ 1,150