Note 11 - Goodwill and Intangible Assets - Intangible Assets and Related Accumulated Amortization (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Goodwill, Gross	$ 2,759	$ 2,762
Goodwill	2,660	2,663
Other intangible assets, net	537	636
Total intangible assets, gross	9,302	9,321
Total intangible assets, accumulated amortization	(785)	(691)
Total intangible assets, net	8,517	8,630
Network Affiliate [Member]
Finite-Lived Intangible Assets, Gross	216	218
Finite-Lived Intangible Assets, Accumulated Amortization	(106)	(88)
Other intangible assets, net	110	130
Other Definite Lived Intangible Assets [Member]
Finite-Lived Intangible Assets, Gross	1,052	1,055
Finite-Lived Intangible Assets, Accumulated Amortization	(625)	(549)
Other intangible assets, net	427	506
Intangible Assets Subject to Amortization [Member]
Finite-Lived Intangible Assets, Gross	1,268	1,273
Finite-Lived Intangible Assets, Accumulated Amortization	(731)	(637)
Other intangible assets, net	537	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	2,660	2,663
Goodwill, Accumulated Amortization	0	0
Goodwill	2,660	2,663
Intangible Assets Not Subject to Amortization [Member]
Goodwill and Indefinite-Lived Intangible Assets, Gross	8,034	8,048
Goodwill and Indefinite-lived Intangible Assets, Accumulated Amortization	(54)	(54)
Goodwill and Indefinite-Lived Assets, Net	$ 7,980	$ 7,994