Note 12 - Segment Information - Segment Information (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Revenue		$ 782	$ 823
Payroll and employee benefits	[1]	238	247
Network affiliation fees	[1]	233	234
Programming	[1]	39	35
Depreciation and amortization	[1]	63	67
Other segment items(2)	[2]	117	116
Segment operating income (loss)		92	124
Miscellaneous income (expense), net		1	110
Interest expense		(118)	(115)
Gain on early extinguishment of debt		1	0
Income before income tax		(24)	119
Capital expenditures (excluding business combinations)		15	34
Goodwill		2,642		$ 2,642
Investments in broadcasting and technology companies		72		66
Total assets		10,438		10,542
Miscellaneous income (expense), net		1	110
Broadcasting, Segment [Member]
Revenue		755	799
Production Companies, Segment [Member]
Revenue		27	24
Other Operating Segment [Member]
Revenue		0	0
Payroll and employee benefits	[1]	18	15
Network affiliation fees	[1]	0	0
Programming	[1]	0	0
Depreciation and amortization	[1]	0	1
Other segment items(2)	[2]	14	13
Segment operating income (loss)		(32)	(29)
Capital expenditures (excluding business combinations)		0	0
Goodwill		0		0
Investments in broadcasting and technology companies		14		13
Total assets		257		225
Operating Segments [Member] | Broadcasting, Segment [Member]
Revenue		755	799
Payroll and employee benefits	[1]	215	226
Network affiliation fees	[1]	233	234
Programming	[1]	35	30
Depreciation and amortization	[1]	57	62
Other segment items(2)	[2]	93	93
Segment operating income (loss)		122	154
Capital expenditures (excluding business combinations)		10	19
Goodwill		2,614		2,614
Investments in broadcasting and technology companies		54		49
Total assets		9,473		9,636
Operating Segments [Member] | Production Companies, Segment [Member]
Revenue		27	24
Payroll and employee benefits	[1]	5	6
Network affiliation fees	[1]	0	0
Programming	[1]	4	5
Depreciation and amortization	[1]	6	4
Other segment items(2)	[2]	10	10
Segment operating income (loss)		2	(1)
Miscellaneous income (expense), net
Capital expenditures (excluding business combinations)		5	$ 15
Goodwill		28		28
Investments in broadcasting and technology companies		4		4
Total assets		708		$ 681
Miscellaneous income (expense), net

[1] The significant expense categories and amounts align with the segment-level information that is regularly provided to the chief operating decision maker. Intersegment expenses are included within the amounts shown.

[2] Other segment items for each reportable segment includes (gain) loss on disposal of assets, professional services expense, repairs and maintenance expense, occupancy expense (including property tax expense), and certain overhead expenses.