NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Accounts Payable and Accrued Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Segment data
Compensation and employee benefits	$ 98	$ 100
Interest	12	11
Programming related obligations	156	151
Legal, litigation, and regulatory	505	10
Accounts payable and other operating expenses	142	125
Total accounts payable and accrued liabilities	913	397
Sinclair Broadcast Group, LLC
Segment data
Compensation and employee benefits	93	100
Interest	12	11
Programming related obligations	156	151
Legal, litigation, and regulatory	504	10
Accounts payable and other operating expenses	86	125
Total accounts payable and accrued liabilities	$ 851	$ 397