NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Non-cash Investing and Financing Activities (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023
Lessee, Lease, Description [Line Items]
Leased assets obtained in exchange for new operating lease liabilities	$ 4	$ 4
Leased assets obtained in exchange for new finance lease liabilities	17
Property and equipment purchases	5	5
Sinclair Broadcast Group, LLC
Lessee, Lease, Description [Line Items]
Leased assets obtained in exchange for new operating lease liabilities	3	4
Leased assets obtained in exchange for new finance lease liabilities	17
Property and equipment purchases	$ 5	$ 5

Future cash outflow to pay for purchases of fixed assets that have occurred.

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