Quarterly report pursuant to Section 13 or 15(d)

Television Distribution Rights, Net (Details)

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Television Distribution Rights, Net (Details) - Television Distribution Rights [Member] - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]          
Television distribution rights $ 665   $ 665   $ 730
Less accumulated amortization (558)   (558)   (652)
Television distribution rights, net 107   107   $ 78
Amortization $ 18 $ 39 $ 50 $ 141