Note 13 - Goodwill and Intangible Assets - Intangible Assets and Related Accumulated Amortization (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Goodwill, Gross	$ 2,748	$ 1,559	$ 1,545
Goodwill	2,649	1,460	1,446
Other intangible assets, net	825	395	460
Total intangible assets, gross	9,260	5,804
Total intangible assets, accumulated amortization	(483)	(370)
Total intangible assets, net	8,777	5,434	$ 5,479
Network Affiliate [Member]
Finite-Lived Intangible Assets, Gross	204	67
Finite-Lived Intangible Assets, Accumulated Amortization	(44)	(28)
Other intangible assets, net	160	39
Other Intangible Assets [Member]
Finite-Lived Intangible Assets, Gross	1,051	644
Finite-Lived Intangible Assets, Accumulated Amortization	(386)	(288)
Other intangible assets, net	665	356
Intangible Assets Subject to Amortization [Member]
Finite-Lived Intangible Assets, Gross	1,255	711
Finite-Lived Intangible Assets, Accumulated Amortization	(430)	(316)
Other intangible assets, net	825	395
Broadcast Licenses [Member]
Indefinite-lived Intangible Assets (Excluding Goodwill), Gross	5,356	3,633
Indefinite-Lived Intangible Assets (Excluding Goodwill), Accumulated Amortization	(53)	(54)
Indefinite-Lived Intangible Assets (Excluding Goodwill)	5,303	3,579
Goodwill Not Amortizable [Member]
Goodwill, Gross	2,649	1,460
Goodwill, Accumulated Amortization	0	0
Goodwill	2,649	1,460
Intangible Assets Not Subject to Amortization [Member]
Goodwill and Indefinite-Lived Intangible Assets, Gross	8,005	5,093
Goodwill and Indefinite-lived Intangible Assets, Accumulated Amortization	(53)	(54)
Goodwill and Indefinite-Lived Assets, Net	$ 7,952	$ 5,039