Balance Sheet Components - Components of Content Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Total content assets, net	$ 24,504,567	$ 20,102,327
Current content assets, net	0	5,151,186
Non-current content assets, net	24,504,567	14,951,141
Amortization of streaming content assets	9,216,247	7,532,088	$ 6,197,817
Licensed content, net
Finite-Lived Intangible Assets [Line Items]
Net content	14,703,352	14,081,463
Unamortized cost in year one	5,793,000
Unamortized cost in year two	3,733,000
Unamortized cost in year three	2,518,000
Amortization of streaming content assets	7,242,799	6,511,689	5,680,373
Produced content, net
Finite-Lived Intangible Assets [Line Items]
Net content	4,382,685	2,403,896
In production	4,750,664	3,305,126
In development and pre-production	667,866	311,842
Total content assets, net	9,801,215	6,020,864
Unamortized cost in year one	1,552,000
Unamortized cost in year two	1,187,000
Unamortized cost in year three	882,000
Amortization of streaming content assets	$ 1,973,448	$ 1,020,399	$ 517,444