Note 13 - Subsequent Event (Details Textual) - USD ($) $ in Millions		3 Months Ended	6 Months Ended
Jul. 01, 2024	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Gain (Loss) on Disposition of Assets		$ 1	$ (16)	$ 1	$ (26)
Sale of Television Stations KCWY and KGWN [Member] \| Subsequent Event [Member]
Gain (Loss) on Disposition of Assets	$ (14)

Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Name:	us-gaap_GainLossOnDispositionOfAssets1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration