NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Station Disposals (Details) - Held-for-sale - Station Disposals - USD ($) $ in Millions	1 Months Ended	6 Months Ended
	Mar. 31, 2025	Jun. 30, 2025
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Asset purchase agreement consideration	$ 30
Accounts receivable		$ 9
Property and equipment		23
Accounts payable and accrued liabilities		2
Current portion of program contracts payable		1
Expected loss from disposal		17
Sinclair Broadcast Group, LLC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Asset purchase agreement consideration	$ 30
Accounts receivable		9
Property and equipment		23
Accounts payable and accrued liabilities		2
Current portion of program contracts payable		1
Expected loss from disposal		$ 17