Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Income (Loss) - Reclassifications Out of AOCI (Details)

v3.2.0.727
Accumulated Other Comprehensive Income (Loss) - Reclassifications Out of AOCI (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Gains on sales of debt securities $ 168 $ 382 $ 436 $ 759
Other income (loss) 478 407 970 818
Income (loss) before income taxes 7,519 2,795 12,261 2,114
Net interest income 10,488 10,013 19,939 20,098
Personnel (7,890) (8,306) (17,504) (18,055)
Income tax expense 2,199 504 3,584 99
Net income $ 5,320 $ 2,291 8,677 2,015
Reclassification out of Accumulated Other Comprehensive Income        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net income     (130) 241
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Net Unrealized Investment Gain (Loss) | Debt securities        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Gains on sales of debt securities     436 759
Other income (loss)     (75) (11)
Income (loss) before income taxes     361 748
Income tax expense     137 284
Net income     224 464
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Income (loss) before income taxes     (487) (335)
Income tax expense     (184) (126)
Net income     (303) (209)
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges | Interest rate contracts        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net interest income     (514) (560)
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges | Equity contracts        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Personnel     27 225
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Defined Benefit Plans Adjustment        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Income (loss) before income taxes     (85) (25)
Personnel     (85) (25)
Income tax expense     (33) (10)
Net income     (52) (15)
Reclassification out of Accumulated Other Comprehensive Income | Foreign currency        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Other income (loss)     31 2
Income (loss) before income taxes     31 2
Income tax expense     30 1
Net income     $ 1 $ 1