Registration of securities issued in business combination transactions

Cable and Satellite Television Distribution Rights, Net (Future Amortization Expense) (Details)

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Cable and Satellite Television Distribution Rights, Net (Future Amortization Expense) (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]    
2014 $ 261 $ 260
2015 237 230
2016 185 181
2017 120 119
Cable and satellite television distribution rights
   
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]    
Remainder of 2013 130  
2014 168 162
2015 162 159
2016 161 158
2017 $ 111 $ 107