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 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Segment Reporting Information [Line Items]          
Segments' total revenue, net of interest expense (FTE basis) $ 21,434 [1] $ 21,743 [1] $ 66,161 [1] $ 68,100 [1]  
Revenues 21,209 21,530 65,522 67,454  
Reclassification to net income (232) [1] 2,497 [1] 1,783 [1] 7,992 [1]  
Total assets 2,123,613 [1] 2,126,653 [1] 2,123,613 [1] 2,126,653 [1] 2,102,273
Operating Segments
          
Segment Reporting Information [Line Items]          
Segments' total revenue, net of interest expense (FTE basis) 21,499 20,718 66,069 66,050  
Reclassification to net income (732) 1,779 1,372 7,696  
Total assets 1,969,333 1,948,095 1,969,333 1,948,095  
Segment Reconciling Items, Asset and Liability Management Activities [Member]
          
Segment Reporting Information [Line Items]          
Revenues 325 (27) 582 (359)  
Reclassification to net income 189 32 496 (597)  
Total assets 665,201 662,307 665,201 662,307  
Equity investment income
          
Segment Reporting Information [Line Items]          
Revenues (51) 1,122 679 2,217  
Reclassification to net income (32) 707 424 1,397  
Total assets 1,873 2,625 1,873 2,625  
Liquidating businesses and other
          
Segment Reporting Information [Line Items]          
Revenues (339) (70) (1,169) 192  
Reclassification to net income 343 (21) (509) (504)  
Total assets 79,234 71,039 79,234 71,039  
FTE basis adjustment
          
Segment Reporting Information [Line Items]          
Revenues (225) (213) (639) (646)  
Elimination of segment asset allocations to match liabilities
          
Segment Reporting Information [Line Items]          
Total assets $ (592,028) $ (557,413) $ (592,028) $ (557,413)  
[1] There were no material intersegment revenues.