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, 2012
Dec. 31, 2011
Dec. 31, 2010
Gross cost          
Purchased and internally developed software $ 554   $ 575 $ 473  
Affiliate and customer relationships 2,435   2,445 2,440  
Debt origination fees 62   54 47  
Trademarks (indefinite life) 2,429   2,429 2,428  
Other intangible assets (excluding goodwill), gross 5,480   5,503 5,388  
Accumulated amortization          
Purchased and internally developed software (340)   (352) (307)  
Affiliate and customer relationships (1,661)   (1,624) (1,446)  
Debt origination fees (18)   (18) (11)  
Other intangible assets (excluding goodwill), accumulated amortization (2,019)   (1,994) (1,764)  
Amortization of other intangible assets $ 62 $ 55 $ 237 $ 272 $ 226