Quarterly report pursuant to Section 13 or 15(d)

Business Segment Information - Reconciliation of Revenue and Net Income (Details)

v3.4.0.3
Business Segment Information - Reconciliation of Revenue and Net Income (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Segment Reporting Information [Line Items]      
Segments' total revenue, net of interest expense (FTE basis) $ 19,727 $ 21,129  
Consolidated revenue, net of interest expense 19,512 20,914  
Consolidated net income 2,680 3,097  
Consolidated total assets 2,185,498 2,143,545 $ 2,144,316
Operating Segments      
Segment Reporting Information [Line Items]      
Segments' total revenue, net of interest expense (FTE basis) 21,121 21,430  
Consolidated net income 4,535 3,920  
Consolidated total assets 1,964,296 1,889,547  
ALM activities      
Segment Reporting Information [Line Items]      
Consolidated revenue, net of interest expense (1,241) (210)  
Consolidated net income (884) (228)  
Consolidated total assets 688,730 694,056  
Equity investment income      
Segment Reporting Information [Line Items]      
Consolidated total assets 4,205 4,701  
Liquidating businesses and other      
Segment Reporting Information [Line Items]      
Consolidated revenue, net of interest expense (153) (91)  
Consolidated net income (971) (595)  
Consolidated total assets 59,888 68,187  
FTE basis adjustment      
Segment Reporting Information [Line Items]      
Consolidated revenue, net of interest expense (215) (215)  
Elimination of segment asset allocations to match liabilities      
Segment Reporting Information [Line Items]      
Consolidated total assets $ (531,621) $ (512,946)