Note 11 - Goodwill and Intangible Assets - Intangible Assets and Related Accumulated Amortization (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022	Dec. 30, 2022
Goodwill, Gross	$ 2,758		$ 2,762
Goodwill	2,643	$ 2,663	$ 2,663
Other intangible assets, net	462	636
Total intangible assets, gross	9,225	9,321
Total intangible assets, accumulated amortization	(800)	(691)
Total intangible assets, net	8,425	8,630
Network Affiliate [Member]
Finite-Lived Intangible Assets, Gross	216	218
Finite-Lived Intangible Assets, Accumulated Amortization	(116)	(88)
Other intangible assets, net	100	130
Other Definite Lived Intangible Assets [Member]
Finite-Lived Intangible Assets, Gross	992	1,055
Finite-Lived Intangible Assets, Accumulated Amortization	(630)	(549)
Other intangible assets, net	362	506
Intangible Assets Subject to Amortization [Member]
Finite-Lived Intangible Assets, Gross	1,208	1,273
Finite-Lived Intangible Assets, Accumulated Amortization	(746)	(637)
Other intangible assets, net	462	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