Quarterly report pursuant to Section 13 or 15(d)

Fair Value Option - Gains (Losses) Related to Borrower-specific Credit Risk (Details)

v3.5.0.2
Fair Value Option - Gains (Losses) Related to Borrower-specific Credit Risk (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Loans held-for-sale        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) related to borrower-specific credit risk for assets and liabilities accounted for under the fair value option $ (4) $ 22 $ 5 $ 30
Consumer and commercial loans        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) related to borrower-specific credit risk for assets and liabilities accounted for under the fair value option (29) 16 (39) (12)
Loans reported as trading account assets        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) related to borrower-specific credit risk for assets and liabilities accounted for under the fair value option $ 5 $ 11 $ 4 $ 50