Note 3 - Acquisitions and Divestitures - Consideration (Details) - USD ($) $ in Millions		9 Months Ended
	Jan. 02, 2019	Sep. 30, 2019	May 01, 2019
Purchase consideration for assets acquired and liabilities assumed net of divestitures			$ 3,491
Raycom, Excluding KYOU and WUPV [Member]
Purchase Price		$ 3,660
Less - consideration allocated to all assets acquired and net of liabilites assumed for the Raycom overlap market stations which were also divested on January 2, 2019		(234)
Purchase consideration for assets acquired and liabilities assumed net of divestitures		3,426
KYOU-TV and WUPV-TV [Member]
Purchase Price		17
Less - consideration allocated to all assets acquired and net of liabilites assumed for the Raycom overlap market stations which were also divested on January 2, 2019		0
Purchase consideration for assets acquired and liabilities assumed net of divestitures		17
Raycom [Member]
Purchase Price	$ 3,660	3,677
Less - consideration allocated to all assets acquired and net of liabilites assumed for the Raycom overlap market stations which were also divested on January 2, 2019		(234)
Purchase consideration for assets acquired and liabilities assumed net of divestitures	$ 3,443	$ 3,443