XML 168 R140.htm IDEA: XBRL DOCUMENT v3.20.4
NONINTEREST INCOME - Noninterest Income (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Other Income and Expenses [Abstract]      
Revenue from contracts with customers $ 1,080 $ 1,172  
Revenue from other sources 1,239 705  
Total noninterest income $ 2,319 $ 1,877 $ 1,596