Note 13 - Goodwill and Intangible Assets - Intangible Assets and Related Accumulated Amortization (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Goodwill, Gross	$ 2,742	$ 2,762	$ 2,748
Goodwill	2,643	2,663	2,649
Other intangible assets, net	415	636	825
Total intangible assets, gross	9,225	9,321
Total intangible assets, accumulated amortization	(847)	(691)
Total intangible assets, net	8,378	8,630	$ 8,777
Network Affiliate [Member]
Finite-Lived Intangible Assets, Gross	216	218
Finite-Lived Intangible Assets, Accumulated Amortization	(126)	(88)
Other intangible assets, net	90	130
Other Intangible Assets [Member]
Finite-Lived Intangible Assets, Gross	992	1,055
Finite-Lived Intangible Assets, Accumulated Amortization	(667)	(549)
Other intangible assets, net	325	506
Intangible Assets Subject to Amortization [Member]
Finite-Lived Intangible Assets, Gross	1,208	1,273
Finite-Lived Intangible Assets, Accumulated Amortization	(793)	(637)
Other intangible assets, net	415	636
Broadcast Licenses [Member]
Indefinite-lived Intangible Assets (Excluding Goodwill), Gross	5,374	5,385
Indefinite-Lived Intangible Assets (Excluding Goodwill), Accumulated Amortization	(54)	(54)
Indefinite-Lived Intangible Assets (Excluding Goodwill)	5,320	5,331
Goodwill Not Amortizable [Member]
Goodwill, Gross	2,643	2,663
Goodwill, Accumulated Amortization	0	0
Goodwill	2,643	2,663
Intangible Assets Not Subject to Amortization [Member]
Goodwill and Indefinite-Lived Intangible Assets, Gross	8,017	8,048
Goodwill and Indefinite-lived Intangible Assets, Accumulated Amortization	(54)	(54)
Goodwill and Indefinite-Lived Assets, Net	$ 7,963	$ 7,994