Note 12 - Goodwill and Intangible Assets - Intangible Assets and Related Accumulated Amortization (Details) - USD ($) $ in Millions	Sep. 30, 2019	May 01, 2019	Dec. 31, 2018
Goodwill, Gross	$ 1,548		$ 711
Goodwill	1,449	$ 837	612
Other intangible assets, net	469		53
Intangible Assets Gross (Including Goodwill)	5,711		2,344
Accumulated Amortization Intangible Assets	(235)		(149)
Intangible Assets, Net (Including Goodwill)	5,476		2,195
Network Affiliate [Member]
Finite-Lived Intangible Assets, Gross	54		6
Finite-Lived Intangible Assets, Accumulated Amortization	(14)		(6)
Other intangible assets, net	40		0
Other Intangible Assets [Member]
Finite-Lived Intangible Assets, Gross	596		143
Finite-Lived Intangible Assets, Accumulated Amortization	(167)		(90)
Other intangible assets, net	429		53
Intangible Assets Subject to Amortization [Member]
Finite-Lived Intangible Assets, Gross	650		149
Finite-Lived Intangible Assets, Accumulated Amortization	(181)		(96)
Other intangible assets, net	469		53
Broadcast Licenses [Member]
Indefinite-lived Intangible Assets (Excluding Goodwill), Gross	3,612		1,583
Indefinite-Lived Intangible Assets (Excluding Goodwill), Accumulated Amortization	(54)		(53)
Indefinite-Lived Intangible Assets (Excluding Goodwill)	3,558		1,530
Goodwill Not Amortizable [Member]
Goodwill, Gross	1,449		612
Goodwill, Accumulated Amortization	0		0
Goodwill	1,449		612
Intangible Assets Not Subject to Amortization [Member]
Goodwill and Indefinite-Lived Intangible Assets, Gross	5,061		2,195
Goodwill and Indefinite-lived Intangible Assets, Accumulated Amortization	(54)		(53)
Goodwill and Indefinite-Lived Assets, Net	$ 5,007		$ 2,142