Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Stock-Based Compensation Allocated To Selling, General And Administrative Expenses) (Details)

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Stock-Based Compensation (Stock-Based Compensation Allocated To Selling, General And Administrative Expenses) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Share-based Compensation $ 49 $ 41
Programming and content expense
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock-based compensation allocated to selling, general, and administrative 4 3
Customer service and billing
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock-based compensation allocated to selling, general, and administrative 1 1
Other cost of subscriber services
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock-based compensation allocated to selling, general, and administrative 2 1
Operating operating expense
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock-based compensation allocated to selling, general, and administrative 4 3
Selling, General and Administrative Expenses
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock-based compensation allocated to selling, general, and administrative $ 38 $ 33