Note 2 - Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenue	$ 518	$ 226
Sales Channel, Directly to Consumer [Member]
Revenue	333	133
Sales Channel, Through Intermediary [Member]
Revenue	185	93
Local Advertising [Member]
Revenue	211	105
National Advertising [Member]
Revenue	50	24
Political Advertising [Member]
Revenue	3	6
Advertising [Member]
Revenue	264	135
Retransmission Consent [Member]
Revenue	204	86
Production Companies [Member]
Revenue	37
Service, Other [Member]
Revenue	$ 13	$ 5