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NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition, Narrative (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Deferred revenue	$ 187		$ 178
Deferred revenue, noncurrent	119		$ 124
Deferred revenue, revenue recognized	$ 18	$ 19
Customer Concentration Risk \| Revenue Benchmark \| Customer One
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	11.00%	11.00%
Customer Concentration Risk \| Revenue Benchmark \| Customer Two
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	11.00%	10.00%
Customer Concentration Risk \| Accounts Receivable \| Customer One
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	12.00%		10.00%
Customer Concentration Risk \| Accounts Receivable \| Customer Two
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	11.00%		10.00%
Customer Concentration Risk \| Accounts Receivable \| Customer Three
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	10.00%
Customer Concentration Risk \| Accounts Receivable \| Customer Four
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	10.00%
Sinclair Broadcast Group, LLC
Disaggregation of Revenue [Line Items]
Deferred revenue	$ 180		$ 171
Deferred revenue, noncurrent	119		$ 124
Deferred revenue, revenue recognized	$ 15	$ 19
Sinclair Broadcast Group, LLC \| Customer Concentration Risk \| Revenue Benchmark \| Customer One
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	11.00%	11.00%
Sinclair Broadcast Group, LLC \| Customer Concentration Risk \| Revenue Benchmark \| Customer Two
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	11.00%	10.00%
Sinclair Broadcast Group, LLC \| Customer Concentration Risk \| Accounts Receivable \| Customer One
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	12.00%		10.00%
Sinclair Broadcast Group, LLC \| Customer Concentration Risk \| Accounts Receivable \| Customer Two
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	11.00%		10.00%
Sinclair Broadcast Group, LLC \| Customer Concentration Risk \| Accounts Receivable \| Customer Three
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	10.00%
Sinclair Broadcast Group, LLC \| Customer Concentration Risk \| Accounts Receivable \| Customer Four
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	10.00%