Note 10 - Income Taxes - Significant Components of Deferred Tax Liabilities and Assets (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Deferred tax liabilities:
Net book value of property and equipment	$ 135	$ 149
Broadcast licenses, goodwill and other intangible assets	1,340	1,338
Other	6	3
Total deferred tax liabilities	1,481	1,490
Deferred tax assets:
Liability for compensated absences	6	6
Liability for accrued bonus	12	13
Liability under health and welfare plan	2	3
State and local operating loss carryforwards	11	7
Unearned income	4	2
Restricted stock	3	2
Investments	7	3
Interest expense limitation	76	88
Other comprehensive income	8	6
Other	12	10
Total deferred tax assets	141	140
Valuation allowance for deferred tax assets	(7)	(9)
Net deferred tax assets	134	131
Deferred Tax Liabilities, Net	$ 1,347	$ 1,359