Note 1 - Basis of Presentation (Details Textual) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2026 USD ($) shares	Mar. 31, 2025 USD ($) shares	Dec. 31, 2025 USD ($)
Number of Operating Segments	2
Number of Reportable Segments	2
Number of Television Markets	120
Percent of US Television Households Reached	37.00%
Number of Television Markets with Top-Rated Stations	81
Number of Television Markets with First and/or Second Rated Stations	103
Number of Television Markets Ranked by Nielson	119
Number of Television Markets, Telemundo Affiliate Group	47
Total Proceeds From Project	$ 4	$ 5
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | shares	5,058,927	5,260,455
Wells Fargo Bank, N.A. [Member]
Proceeds from Accounts Receivable Securitization	$ 400		$ 400
Accounts Receivable Securitization, Unsold Receivables	355		344
Accounts Receivable Securitization, Total Receivables	$ 560		$ 589