PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Property and equipment
Finance lease assets	$ 61	$ 61
Property, equipment and finance lease assets, gross	1,690	1,637
Less: accumulated depreciation	(975)	(909)
Total property and equipment, net	715	728
Land and improvements
Property and equipment
Property and equipment, gross	72	72
Real estate held for development and sale
Property and equipment
Property and equipment, gross	19	19
Buildings and improvements
Property and equipment
Property and equipment, gross	$ 309	300
Buildings and improvements \| Minimum
Property and equipment
Estimated useful lives	10 years
Buildings and improvements \| Maximum
Property and equipment
Estimated useful lives	30 years
Operating equipment
Property and equipment
Property and equipment, gross	$ 879	873
Operating equipment \| Minimum
Property and equipment
Estimated useful lives	5 years
Operating equipment \| Maximum
Property and equipment
Estimated useful lives	10 years
Office furniture and equipment
Property and equipment
Property and equipment, gross	$ 149	130
Office furniture and equipment \| Minimum
Property and equipment
Estimated useful lives	5 years
Office furniture and equipment \| Maximum
Property and equipment
Estimated useful lives	10 years
Leasehold improvements
Property and equipment
Property and equipment, gross	$ 47	45
Leasehold improvements \| Minimum
Property and equipment
Estimated useful lives	10 years
Leasehold improvements \| Maximum
Property and equipment
Estimated useful lives	30 years
Automotive equipment
Property and equipment
Property and equipment, gross	$ 64	63
Automotive equipment \| Minimum
Property and equipment
Estimated useful lives	3 years
Automotive equipment \| Maximum
Property and equipment
Estimated useful lives	5 years
Construction in progress
Property and equipment
Property and equipment, gross	$ 90	74
Sinclair Broadcast Group, LLC
Property and equipment
Finance lease assets	61	61
Property, equipment and finance lease assets, gross	1,657	1,637
Less: accumulated depreciation	(965)	(909)
Total property and equipment, net	692	728
Sinclair Broadcast Group, LLC \| Land and improvements
Property and equipment
Property and equipment, gross	71	72
Sinclair Broadcast Group, LLC \| Real estate held for development and sale
Property and equipment
Property and equipment, gross	0	19
Sinclair Broadcast Group, LLC \| Buildings and improvements
Property and equipment
Property and equipment, gross	$ 287	300
Sinclair Broadcast Group, LLC \| Buildings and improvements \| Minimum
Property and equipment
Estimated useful lives	10 years
Sinclair Broadcast Group, LLC \| Buildings and improvements \| Maximum
Property and equipment
Estimated useful lives	30 years
Sinclair Broadcast Group, LLC \| Operating equipment
Property and equipment
Property and equipment, gross	$ 894	873
Sinclair Broadcast Group, LLC \| Operating equipment \| Minimum
Property and equipment
Estimated useful lives	5 years
Sinclair Broadcast Group, LLC \| Operating equipment \| Maximum
Property and equipment
Estimated useful lives	10 years
Sinclair Broadcast Group, LLC \| Office furniture and equipment
Property and equipment
Property and equipment, gross	$ 142	130
Sinclair Broadcast Group, LLC \| Office furniture and equipment \| Minimum
Property and equipment
Estimated useful lives	5 years
Sinclair Broadcast Group, LLC \| Office furniture and equipment \| Maximum
Property and equipment
Estimated useful lives	10 years
Sinclair Broadcast Group, LLC \| Leasehold improvements
Property and equipment
Property and equipment, gross	$ 45	45
Sinclair Broadcast Group, LLC \| Leasehold improvements \| Minimum
Property and equipment
Estimated useful lives	10 years
Sinclair Broadcast Group, LLC \| Leasehold improvements \| Maximum
Property and equipment
Estimated useful lives	30 years
Sinclair Broadcast Group, LLC \| Automotive equipment
Property and equipment
Property and equipment, gross	$ 64	63
Sinclair Broadcast Group, LLC \| Automotive equipment \| Minimum
Property and equipment
Estimated useful lives	3 years
Sinclair Broadcast Group, LLC \| Automotive equipment \| Maximum
Property and equipment
Estimated useful lives	5 years
Sinclair Broadcast Group, LLC \| Construction in progress
Property and equipment
Property and equipment, gross	$ 93	$ 74

Amount, before accumulated amortization, of right-of-use asset from finance lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
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-Topic 842
-Publisher FASB
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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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