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Balance Sheet Components - Components of Content Assets (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]    
Content assets, net $ 13,963,091 $ 11,000,808
Current content assets, net 4,223,387 3,726,307
Non-current content assets, net 9,739,704 7,274,501
Licensed content    
Finite-Lived Intangible Assets [Line Items]    
Net content 11,462,217 9,595,315
Produced content    
Finite-Lived Intangible Assets [Line Items]    
Net content 984,945 335,400
In production 1,338,208 1,010,463
In development and pre-production 163,393 34,215
Content assets, net $ 2,486,546 1,380,078
Produced content amortization percentage over one year 29.00%  
Produced content amortization percent over three years 79.00%  
Produced content amortization period over the next 48 months (more than) 80.00%  
DVD    
Finite-Lived Intangible Assets [Line Items]    
Content assets, net $ 14,328 $ 25,415