CONDENSED CONSOLIDATING FINANCIAL STATEMENTS - Narrative (Details) $ in Millions	Jun. 30, 2023 USD ($)
5.125% Senior Notes due 2027 \| Senior Notes
Debt Instrument [Line Items]
Interest rate (as a percent)	5.125%
5.500% Senior Notes due 2030 \| Senior Notes
Debt Instrument [Line Items]
Interest rate (as a percent)	5.50%
4.125% Senior Secured Notes due 2030 \| Senior Notes
Debt Instrument [Line Items]
Interest rate (as a percent)	4.125%
Sinclair Broadcast Group, LLC
Debt Instrument [Line Items]
Consolidated total debt	$ 4,206
Sinclair Broadcast Group, LLC \| Subsidiary Issuer
Debt Instrument [Line Items]
Consolidated total debt	4,206
Amount of debt guaranteed by parent	$ 4,176
Sinclair Broadcast Group, LLC \| 5.125% Senior Notes due 2027 \| Senior Notes
Debt Instrument [Line Items]
Interest rate (as a percent)	5.125%
Sinclair Broadcast Group, LLC \| 5.500% Senior Notes due 2030 \| Senior Notes
Debt Instrument [Line Items]
Interest rate (as a percent)	5.50%
Sinclair Broadcast Group, LLC \| 4.125% Senior Secured Notes due 2030 \| Senior Notes
Debt Instrument [Line Items]
Interest rate (as a percent)	4.125%

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