Note 1 - Description of Business and Summary of Significant Accounting Policies - Disposal of Assets and Purchase of Property and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Proceeds from sale of television stations and other assets	$ 60	$ 4	$ 478
Proceeds from Repack reimbursement (Note 1)	0	7	11
Net book value of assets disposed	(73)	(9)	(531)
Non-cash loss on divestitures	1	0	0
Securitization Facility	(9)	0	0
Total	(21)	2	(42)
Recurring purchases - operations	107	170	90
Assembly Atlanta project	240	264	109
Repack	1	2	8
Total	$ 348	$ 436	$ 207