Note 3 - Acquisitions - Acquisitions (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Goodwill	$ 2,651	$ 2,642
WBBJ [Member]
Accounts receivable	2
Property and equipment	4
Goodwill	2
Other intangible assets	3
Business Combination, Recognized Asset Acquired, Asset	27
WBBJ [Member] | Broadcast Licenses [Member]
Broadcast licenses	16
Allen Media Group Three Markets [Member]
Accounts receivable	0
Property and equipment	6
Goodwill	7
Other intangible assets	0
Business Combination, Recognized Asset Acquired, Asset	56
Allen Media Group Three Markets [Member] | Broadcast Licenses [Member]
Broadcast licenses	$ 43