Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details)

v3.10.0.1
Stock-Based Compensation (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share-based Compensation $ 46 $ 85 $ 145 $ 182
Programming and content        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share-based Compensation 3 7 21 21
Customer service and billing        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share-based Compensation 1 1 3 3
Other cost of subscriber services        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share-based Compensation 1 2 4 4
Operating operating expense        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share-based Compensation 5 4 13 11
Selling, General and Administrative Expenses        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share-based Compensation $ 36 $ 71 $ 104 $ 143