Quarterly report pursuant to Section 13 or 15(d)

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

v3.3.0.814
Fair Value Option - Gains (Losses) Related to Borrower-specific Credit Risk (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
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 $ 14 $ 30 $ 44 $ 31
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 (88) 1 (100) 80
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 $ 8 $ (3) $ 58 $ 46