Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | ||
---|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
Apr. 30, 2013 |
|
Commitments and Contingencies Disclosure [Abstract] | |||
Programming and copyright costs | $ 111 | $ 96 | |
Indemnification agreement | |||
Loss Contingencies [Line Items] | |||
Indemnifications provided (up to) | $ 300 |