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Intangible Assets Including Goodwill (Details 2) (USD $)
In Millions
6 Months Ended
Jun. 30, 2011
Future amortization expense, by year  
2011 (for Q3-Q4) $ 582
2012 926
2013 661
2014 393
2015 264
Capitalized software
 
Future amortization expense, by year  
2011 (for Q3-Q4) 280
2012 370
2013 147
2014 21
Acquired intangibles
 
Future amortization expense, by year  
2011 (for Q3-Q4) 302
2012 556
2013 514
2014 372
2015 $ 264