Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.0.8
Business Segment Information - Reconciliation of Revenue and Net Income (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Segment Reporting Information [Line Items]          
Segments' total revenue, net of interest expense (FTE basis) $ 21,960 [1] $ 22,949 [1] $ 44,727 [2] $ 46,357 [2]  
Revenues 21,747 22,727 44,313 45,924  
Reclassification to net income 2,291 [1] 4,012 [1] 2,015 [2] 5,495 [2]  
Total assets 2,170,557 [1] 2,123,320 [1] 2,170,557 [1] 2,123,320 [1] 2,102,273 [1]
Operating Segments [Member]
          
Segment Reporting Information [Line Items]          
Segments' total revenue, net of interest expense (FTE basis) 22,114 22,380 44,572 45,334  
Reclassification to net income 2,164 3,479 2,076 5,881  
Total assets 2,003,193 1,918,481 2,003,193 1,918,481  
Asset and Liability Management Activities [Member]
          
Segment Reporting Information [Line Items]          
Revenues 175 (103) 258 (332)  
Reclassification to net income (6) (172) 307 (629)  
Total assets 694,042 656,243 694,042 656,243  
Equity investment income [Member]
          
Segment Reporting Information [Line Items]          
Revenues 56 576 730 1,096  
Reclassification to net income 35 363 456 690  
Total assets 1,963 4,187 1,963 4,187  
Liquidating businesses and other [Member]
          
Segment Reporting Information [Line Items]          
Revenues (385) 96 (833) 259  
Reclassification to net income 98 342 (824) (447)  
Total assets 80,145 73,413 80,145 73,413  
Fully Taxable Equivalent Basis Adjustment [Member]
          
Segment Reporting Information [Line Items]          
Revenues (213) (222) (414) (433)  
Intersegment Eliminations [Member]
          
Segment Reporting Information [Line Items]          
Total assets $ (608,786) $ (529,004) $ (608,786) $ (529,004)  
[1] There were no material intersegment revenues.
[2] (1) There were no material intersegment revenues.