LEASES - Cash Flow Information Related to Lease (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Lessee, Lease, Description [Line Items]
Operating cash flows from operating leases	$ 33	$ 33	$ 35
Operating cash flows from finance leases	3	2	3
Financing cash flows from finance leases	7	7	6
Leased assets obtained in exchange for new operating lease liabilities	5	25	15
Leased assets obtained in exchange for new finance lease liabilities	22	0	1
Sinclair Broadcast Group, LLC
Lessee, Lease, Description [Line Items]
Operating cash flows from operating leases	32	33	35
Operating cash flows from finance leases	3	2	3
Financing cash flows from finance leases	7	7	6
Leased assets obtained in exchange for new operating lease liabilities	5	25	15
Leased assets obtained in exchange for new finance lease liabilities	$ 22	$ 0	$ 1