Note 13 - Segment Information - Segment Information (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Revenue		$ 768	$ 782
Payroll and employee benefits	[1]	252	238
Network affiliation fees	[1]	197	233
Programming	[1]	40	39
Depreciation and amortization	[1]	65	63
Other segment items	[1],[2]	133	117
Segment operating income (loss)		81	92
Miscellaneous income, net		8	1
Interest expense		(117)	(118)
Loss before income tax		(28)	(24)
Capital expenditures (excluding business combinations)		19	15
Goodwill		2,651		$ 2,642
Investments in broadcasting and technology companies		32		37
Total assets		10,319		10,440
Miscellaneous income, net		8	1
(Loss) gain from early extinguishment of debt		0	1
Broadcasting, Segment [Member]
Revenue		739	755
Production Companies, Segment [Member]
Revenue		29	27
Other Operating Segment [Member]
Revenue		0	0
Payroll and employee benefits	[1]	20	18
Network affiliation fees	[1]	0	0
Programming	[1]	0	0
Depreciation and amortization	[1]	1	0
Other segment items	[1],[2]	19	14
Segment operating income (loss)		(40)	(32)
Capital expenditures (excluding business combinations)		0	0
Goodwill		0		0
Investments in broadcasting and technology companies		13		13
Total assets		361		467
Operating Segments [Member] | Broadcasting, Segment [Member]
Revenue		739	755
Payroll and employee benefits	[1]	226	215
Network affiliation fees	[1]	197	233
Programming	[1]	36	35
Depreciation and amortization	[1]	59	57
Other segment items	[1],[2]	96	93
Segment operating income (loss)		125	122
Capital expenditures (excluding business combinations)		10	10
Goodwill		2,623		2,614
Investments in broadcasting and technology companies		18		23
Total assets		9,305		9,326
Operating Segments [Member] | Production Companies, Segment [Member]
Revenue		29	27
Payroll and employee benefits	[1]	6	5
Network affiliation fees	[1]	0	0
Programming	[1]	4	4
Depreciation and amortization	[1]	5	6
Other segment items	[1],[2]	18	10
Segment operating income (loss)		(4)	2
Capital expenditures (excluding business combinations)		9	$ 5
Goodwill		28		28
Investments in broadcasting and technology companies		1		1
Total assets		$ 653		$ 647

[1] The significant expense categories and amounts align with the segment-level information that is regularly provided to the CODM. 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.