Note 13 - Goodwill and Intangible Assets - Intangible Assets and Related Accumulated Amortization (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Goodwill, Gross	$ 2,762	$ 2,748	$ 1,559
Goodwill	2,663	2,649	1,460
Other intangible assets, net	636	825	395
Total intangible assets, gross	9,321	9,260
Total intangible assets, accumulated amortization	(691)	(483)
Total intangible assets, net	8,630	8,777	$ 5,434
Network Affiliate [Member]
Finite-Lived Intangible Assets, Gross	218	204
Finite-Lived Intangible Assets, Accumulated Amortization	(88)	(44)
Other intangible assets, net	130	160
Other Intangible Assets [Member]
Finite-Lived Intangible Assets, Gross	1,055	1,051
Finite-Lived Intangible Assets, Accumulated Amortization	(549)	(386)
Other intangible assets, net	506	665
Intangible Assets Subject to Amortization [Member]
Finite-Lived Intangible Assets, Gross	1,273	1,255
Finite-Lived Intangible Assets, Accumulated Amortization	(637)	(430)
Other intangible assets, net	636	825
Broadcast Licenses [Member]
Indefinite-lived Intangible Assets (Excluding Goodwill), Gross	5,385	5,356
Indefinite-Lived Intangible Assets (Excluding Goodwill), Accumulated Amortization	(54)	(53)
Indefinite-Lived Intangible Assets (Excluding Goodwill)	5,331	5,303
Goodwill Not Amortizable [Member]
Goodwill, Gross	2,663	2,649
Goodwill, Accumulated Amortization	0	0
Goodwill	2,663	2,649
Intangible Assets Not Subject to Amortization [Member]
Goodwill and Indefinite-Lived Intangible Assets, Gross	8,048	8,005
Goodwill and Indefinite-lived Intangible Assets, Accumulated Amortization	(54)	(53)
Goodwill and Indefinite-Lived Assets, Net	$ 7,994	$ 7,952