Annual report pursuant to Section 13 and 15(d)

OTHER REGULATORY MATTERS (Details)

v3.10.0.1
OTHER REGULATORY MATTERS (Details) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Common Equity Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets 4.50%  
Common Equity Tier One Risk Based Capital Conservation Buffer Plus Capital Required for Capital Adequacy to Risk Weighted Assets 6.375%  
Common Equity Tier One Capital Ratio 9.65% 10.01%
Common Equity Tier One Capital $ 8,271 $ 8,041
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets 6.00%  
Tier One Risk Based Capital Conservation Buffer Plus Capital Required for Capital Adequacy to Risk Weighted Assets 7.875%  
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets 6.00%  
Tier One Risk Based Capital to Risk Weighted Assets 11.06% 11.34%
Tier One Leverage Capital $ 9,478 $ 9,110
Tier One Risk Based Capital $ 9,478 $ 9,110
Capital Required for Capital Adequacy to Risk Weighted Assets 8.00%  
Capital Conservation Buffer Plus Capital required for Capital Adequacy to Risk Weighted Assets 9.875%  
Capital Required to be Well Capitalized to Risk Weighted Assets 10.00%  
Capital to Risk Weighted Assets 12.98% 13.39%
Capital $ 11,122 $ 10,757
Tier One Leverage Capital Required for Capital Adequacy to Average Assets 4.00%  
Tier One Leverage Capital to Average Assets 9.10% 9.09%
Bank    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Common Equity Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets 4.50%  
Common Equity Tier One Risk Based Capital Conservation Buffer Plus Capital Required for Capital Adequacy to Risk Weighted Assets 6.375%  
Common Equity Tier One Risked Based Capital Required to be Well Capitalized to Risk Weighted Assets 6.50%  
Common Equity Tier One Capital Ratio 10.19% 11.02%
Common Equity Tier One Capital $ 8,732 $ 8,856
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets 6.00%  
Tier One Risk Based Capital Conservation Buffer Plus Capital Required for Capital Adequacy to Risk Weighted Assets 7.875%  
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets 8.00%  
Tier One Risk Based Capital to Risk Weighted Assets 11.21% 12.10%
Tier One Leverage Capital $ 9,611 $ 9,727
Capital Required for Capital Adequacy to Risk Weighted Assets 8.00%  
Capital Conservation Buffer Plus Capital required for Capital Adequacy to Risk Weighted Assets 9.875%  
Capital Required to be Well Capitalized to Risk Weighted Assets 10.00%  
Capital to Risk Weighted Assets 13.42% 14.33%
Capital $ 11,504 $ 11,517
Tier One Leverage Capital Required for Capital Adequacy to Average Assets 4.00%  
Tier One Leverage Capital Required to be Well Capitalized to Average Assets 5.00%  
Tier One Leverage Capital to Average Assets 9.23% 9.70%