Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Intangible Assets (Details)

v2.4.0.8
Goodwill and Intangible Assets - Intangible Assets (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Intangible Assets [Abstract]          
Gross Carrying Value $ 17,370 [1]   $ 17,370 [1]   $ 17,512 [1]
Accumulated Amortization 11,527 [1]   11,527 [1]   10,828 [1]
In Text Details [Abstract]          
Amortization of intangibles 270 315 820 955  
Future Amortization Expense, Remainder of 2013 270   270    
Future Amortization Expense, 2014 940   940    
Future Amortization Expense, 2015 840   840    
Future Amortization Expense, 2016 740   740    
Future Amortization Expense, 2017 650   650    
Future Amortization Expense, 2018 570   570    
Purchased credit card relationships [Member]
          
Intangible Assets [Abstract]          
Gross Carrying Value 6,137 [1]   6,137 [1]   6,184 [1]
Accumulated Amortization 4,735 [1]   4,735 [1]   4,494 [1]
Core deposits intangibles [Member]
          
Intangible Assets [Abstract]          
Gross Carrying Value 3,592 [1]   3,592 [1]   3,592 [1]
Accumulated Amortization 3,009 [1]   3,009 [1]   2,858 [1]
Customer relationships [Member]
          
Intangible Assets [Abstract]          
Gross Carrying Value 4,025 [1]   4,025 [1]   4,025 [1]
Accumulated Amortization 2,182 [1]   2,182 [1]   1,884 [1]
Affinity relationships [Member]
          
Intangible Assets [Abstract]          
Gross Carrying Value 1,571 [1]   1,571 [1]   1,572 [1]
Accumulated Amortization 1,167 [1]   1,167 [1]   1,087 [1]
Other intangibles [Member]
          
Intangible Assets [Abstract]          
Gross Carrying Value 2,045 [1]   2,045 [1]   2,139 [1]
Accumulated Amortization $ 434 [1]   $ 434 [1]   $ 505 [1]
[1] Excludes fully amortized intangible assets.