Note 1 - Description of Business and Summary of Significant Accounting Policies (Details Textual) $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) Rate	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Feb. 23, 2023 USD ($)
Number of Television Markets	114
Percent of US Television Households Reached (Rate) | Rate	37.00%
Number of Television Markets with Top-Rated Stations	77
Number of Television Markets with First and/or Second Rated Stations	97
Number of Television Markets Ranked by Nielson	113
Number of Television Markets, Telemundo Affiliate Group	47
Number of Hispanic Television Households	1,600,000
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount	$ 20	$ 25	$ 29
Accounts Receivable, Credit Loss Expense (Reversal)	8	2	21
Accounts Receivable, Allowance for Credit Loss	16	15	17
Asset Retirement Obligation	$ 5	4
Wells Fargo Bank, N.A. [Member]
Accounts Receivable Securitization Program Maximum Capacity				$ 400
Debt Instrument, Basis Spread on Variable Rate	1.25%
Proceeds from Accounts Receivable Securitization	$ 400	300
Accounts Receivable Securitization, Unsold Receivables	344	337
Accounts Receivable Securitization, Total Receivables	$ 589	$ 597
Accounts Receivable Securitization, Charge for Discount			9
Diamond Sports Group, LLC [Member]
Accounts Receivable, Allowance for Credit Loss			$ 17
Services Sector [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member]
Concentration Risk, Percentage	26.00%	23.00%	27.00%
Automotive [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member]
Concentration Risk, Percentage	17.00%	20.00%	20.00%