COVER - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Feb. 27, 2023	Jun. 30, 2022
Document Information [Line Items]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2022
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	000-26076
Entity Registrant Name	SINCLAIR BROADCAST GROUP, INC.
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	52-1494660
Entity Address, Address Line One	10706 Beaver Dam Road
Entity Address, City or Town	Hunt Valley
Entity Address, State or Province	MD
Entity Address, Postal Zip Code	21030
City Area Code	410
Local Phone Number	568-1500
Title of 12(b) Security	Class A Common Stock, par value $ 0.01 per share
Trading Symbol	SBGI
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 913
Documents Incorporated by Reference	Portions of our definitive Proxy Statement relating to our 2023 Annual Meeting of Shareholders are incorporated by reference into Part III (Items 10,11,12,13, and 14) of this Annual Report on Form 10-K.  We anticipate that our Proxy Statement will be filed with the Securities and Exchange Commission within 120 days after the end of our fiscal year ended December 31, 2022.
Entity Central Index Key	0000912752
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Amendment Flag	false
Class A Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		45,789,627
Class B Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		23,775,056