Balance Sheet Components - Components of Content Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Content assets, net	$ 25,266,889		$ 24,504,567
Amortization of content assets	2,483,385	$ 2,124,686
Licensed content, net
Finite-Lived Intangible Assets [Line Items]
Net content	14,637,502		14,703,352
Unamortized cost in year one	5,736,000
Unamortized cost in year two	3,760,000
Unamortized cost in year three	2,478,000
Amortization of content assets	1,860,170	1,774,289
Produced content, net
Finite-Lived Intangible Assets [Line Items]
Net content	4,638,736		4,382,685
In production	5,282,350		4,750,664
In development and pre-production	708,301		667,866
Content assets, net	10,629,387		$ 9,801,215
Unamortized cost in year one	1,645,000
Unamortized cost in year two	1,276,000
Unamortized cost in year three	941,000
Amortization of content assets	$ 623,215	$ 350,397