Commitments and Contingencies (Expected Timing of Payments for Commitments) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Commitments and Contingencies Disclosure [Abstract]
Less than one year	$ 6,200,611	$ 4,703,172
Due after one year and through 3 years	6,731,336	5,249,147
Due after 3 years and through 5 years	1,386,934	891,864
Due after 5 years	160,606	58,048
Total streaming content obligations	$ 14,479,487	$ 10,902,231