Registration of securities issued in business combination transactions

Other Intangible Assets, Net (Other Intangible Assets) (Details)

v2.4.0.8
Other Intangible Assets, Net (Other Intangible Assets) (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Gross cost            
Purchased and internally developed software $ 554   $ 473 $ 575 $ 473  
Affiliate and customer relationships 2,435   2,440 2,445 2,440  
Debt origination fees 62   47 54 47  
Trademarks (indefinite life) 2,429   2,428 2,429 2,428  
Other intangible assets (excluding goodwill), gross 5,480   5,388 5,503 5,388  
Accumulated amortization            
Purchased and internally developed software (340)   (307) (352) (307)  
Affiliate and customer relationships (1,661)   (1,446) (1,624) (1,446)  
Debt origination fees (18)   (11) (18) (11)  
Other intangible assets (excluding goodwill), accumulated amortization (2,019)   (1,764) (1,994) (1,764)  
Weighted average remaining life            
Purchased and internally developed software       2 years 2 months 12 days    
Affiliate and customer relationships       4 years 9 months 18 days    
Debt origination fees       6 years 4 months 24 days    
Other intangible assets (excluding goodwill), Weighted average remaining life       4 years 3 months 18 days    
Amortization of other intangible assets 62 55   237 272 226
Impairment of CRM assets     $ 47