NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Acquisitions and Station Disposals (Details) $ in Millions	1 Months Ended		12 Months Ended
	Sep. 30, 2025 USD ($)	Mar. 31, 2025 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Jul. 31, 2025 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Acquisition of businesses, net of cash acquired			$ 29	$ 0	$ 0
Goodwill			2,085	$ 2,082	$ 2,082
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Station Disposals
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration			36			$ 36
Loss from disposal			8
CPX Interactive LLC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Acquisition of businesses, net of cash acquired		$ 30
Cash acquired		$ 5
Remaining percentage of business acquired		0.75
Definite-lived intangible assets		$ 22
Goodwill		$ 15
WLNE
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Definite-lived intangible assets	$ 27
Business combination, consideration transferred	32		$ 32
Property and equipment	1
Net working capital	$ 4