Note 3 - Acquisitions and Divestitures - Acquisitions (Details) - USD ($) $ in Millions	May 01, 2023	Apr. 01, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Goodwill			$ 2,642	$ 2,643	$ 2,663
Atlanta Telemundo Transaction [Member]
Property and equipment	$ 2	$ 1
Payments to Acquire Businesses, Gross	6	31
Accounts receivable, net		1
Goodwill		10
Atlanta Telemundo Transaction [Member] | Broadcast Licenses [Member]
Intangible assets	$ 4	1
Atlanta Telemundo Transaction [Member] | Network Affiliation [Member]
Intangible assets		14
Atlanta Telemundo Transaction [Member] | Other Intangible Assets [Member]
Intangible assets		$ 4