3.23.3 html 776 310 1 true 103 0 false 13 false false R1.htm 0000001 - Document - Cover Sheet http://www.sbgi.net/role/Cover Cover Cover 1 false false R2.htm 0000002 - Statement - CONSOLIDATED BALANCE SHEETS Sheet http://www.sbgi.net/role/CONSOLIDATEDBALANCESHEETS CONSOLIDATED BALANCE SHEETS Statements 2 false false R3.htm 0000003 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://www.sbgi.net/role/CONSOLIDATEDBALANCESHEETSParenthetical CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 3 false false R4.htm 0000004 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://www.sbgi.net/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS CONSOLIDATED STATEMENTS OF OPERATIONS Statements 4 false false R5.htm 0000005 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME Sheet http://www.sbgi.net/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSSINCOME CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME Statements 5 false false R6.htm 0000006 - Statement - CONSOLIDATED STATEMENTS OF EQUITY (DEFICIT) AND REDEEMABLE NONCONTROLLING INTERESTS Sheet http://www.sbgi.net/role/CONSOLIDATEDSTATEMENTSOFEQUITYDEFICITANDREDEEMABLENONCONTROLLINGINTERESTS CONSOLIDATED STATEMENTS OF EQUITY (DEFICIT) AND REDEEMABLE NONCONTROLLING INTERESTS Statements 6 false false R7.htm 0000007 - Statement - CONSOLIDATED STATEMENTS OF EQUITY (DEFICIT) AND REDEEMABLE NONCONTROLLING INTERESTS (Parenthetical) Sheet http://www.sbgi.net/role/CONSOLIDATEDSTATEMENTSOFEQUITYDEFICITANDREDEEMABLENONCONTROLLINGINTERESTSParenthetical CONSOLIDATED STATEMENTS OF EQUITY (DEFICIT) AND REDEEMABLE NONCONTROLLING INTERESTS (Parenthetical) Statements 7 false false R8.htm 0000008 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.sbgi.net/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 8 false false R9.htm 0000009 - Statement - CONSOLIDATED BALANCE SHEETS Sheet http://www.sbgi.net/role/CONSOLIDATEDBALANCESHEETS_1 CONSOLIDATED BALANCE SHEETS Statements 9 false false R10.htm 0000010 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://www.sbgi.net/role/CONSOLIDATEDBALANCESHEETSParenthetical_1 CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 10 false false R11.htm 0000011 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://www.sbgi.net/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS_1 CONSOLIDATED STATEMENTS OF OPERATIONS Statements 11 false false R12.htm 0000012 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME Sheet http://www.sbgi.net/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSSINCOME_1 CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME Statements 12 false false R13.htm 0000013 - Statement - CONSOLIDATED STATEMENTS OF EQUITY (DEFICIT) AND REDEEMABLE NONCONTROLLING INTERESTS Sheet http://www.sbgi.net/role/CONSOLIDATEDSTATEMENTSOFEQUITYDEFICITANDREDEEMABLENONCONTROLLINGINTERESTS_1 CONSOLIDATED STATEMENTS OF EQUITY (DEFICIT) AND REDEEMABLE NONCONTROLLING INTERESTS Statements 13 false false R14.htm 0000014 - Statement - CONSOLIDATED STATEMENTS OF EQUITY (DEFICIT) AND REDEEMABLE NONCONTROLLING INTERESTS (Parenthetical) Sheet http://www.sbgi.net/role/CONSOLIDATEDSTATEMENTSOFEQUITYDEFICITANDREDEEMABLENONCONTROLLINGINTERESTSParenthetical_1 CONSOLIDATED STATEMENTS OF EQUITY (DEFICIT) AND REDEEMABLE NONCONTROLLING INTERESTS (Parenthetical) Statements 14 false false R15.htm 0000015 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.sbgi.net/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS_1 CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 15 false false R16.htm 0000016 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Notes 16 false false R17.htm 0000017 - Disclosure - OTHER ASSETS Sheet http://www.sbgi.net/role/OTHERASSETS OTHER ASSETS Notes 17 false false R18.htm 0000018 - Disclosure - NOTES PAYABLE, FINANCE LEASES, AND COMMERCIAL BANK FINANCING Notes http://www.sbgi.net/role/NOTESPAYABLEFINANCELEASESANDCOMMERCIALBANKFINANCING NOTES PAYABLE, FINANCE LEASES, AND COMMERCIAL BANK FINANCING Notes 18 false false R19.htm 0000019 - Disclosure - REDEEMABLE NONCONTROLLING INTERESTS Sheet http://www.sbgi.net/role/REDEEMABLENONCONTROLLINGINTERESTS REDEEMABLE NONCONTROLLING INTERESTS Notes 19 false false R20.htm 0000020 - Disclosure - COMMITMENTS AND CONTINGENCIES Sheet http://www.sbgi.net/role/COMMITMENTSANDCONTINGENCIES COMMITMENTS AND CONTINGENCIES Notes 20 false false R21.htm 0000021 - Disclosure - EARNINGS PER SHARE Sheet http://www.sbgi.net/role/EARNINGSPERSHARE EARNINGS PER SHARE Notes 21 false false R22.htm 0000022 - Disclosure - SEGMENT DATA Sheet http://www.sbgi.net/role/SEGMENTDATA SEGMENT DATA Notes 22 false false R23.htm 0000023 - Disclosure - VARIABLE INTEREST ENTITIES Sheet http://www.sbgi.net/role/VARIABLEINTERESTENTITIES VARIABLE INTEREST ENTITIES Notes 23 false false R24.htm 0000024 - Disclosure - RELATED PERSON TRANSACTIONS Sheet http://www.sbgi.net/role/RELATEDPERSONTRANSACTIONS RELATED PERSON TRANSACTIONS Notes 24 false false R25.htm 0000025 - Disclosure - FAIR VALUE MEASUREMENTS Sheet http://www.sbgi.net/role/FAIRVALUEMEASUREMENTS FAIR VALUE MEASUREMENTS Notes 25 false false R26.htm 0000026 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES_1 NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Notes 26 false false R27.htm 0000027 - Disclosure - OTHER ASSETS Sheet http://www.sbgi.net/role/OTHERASSETS_1 OTHER ASSETS Notes 27 false false R28.htm 0000028 - Disclosure - NOTES PAYABLE, FINANCE LEASES, AND COMMERCIAL BANK FINANCING Notes http://www.sbgi.net/role/NOTESPAYABLEFINANCELEASESANDCOMMERCIALBANKFINANCING_1 NOTES PAYABLE, FINANCE LEASES, AND COMMERCIAL BANK FINANCING Notes 28 false false R29.htm 0000029 - Disclosure - REDEEMABLE NONCONTROLLING INTERESTS Sheet http://www.sbgi.net/role/REDEEMABLENONCONTROLLINGINTERESTS_1 REDEEMABLE NONCONTROLLING INTERESTS Notes 29 false false R30.htm 0000030 - Disclosure - COMMITMENTS AND CONTINGENCIES Sheet http://www.sbgi.net/role/COMMITMENTSANDCONTINGENCIES_1 COMMITMENTS AND CONTINGENCIES Notes 30 false false R31.htm 0000031 - Disclosure - SEGMENT DATA Sheet http://www.sbgi.net/role/SEGMENTDATA_1 SEGMENT DATA Notes 31 false false R32.htm 0000032 - Disclosure - VARIABLE INTEREST ENTITIES Sheet http://www.sbgi.net/role/VARIABLEINTERESTENTITIES_1 VARIABLE INTEREST ENTITIES Notes 32 false false R33.htm 0000033 - Disclosure - RELATED PERSON TRANSACTIONS Sheet http://www.sbgi.net/role/RELATEDPERSONTRANSACTIONS_1 RELATED PERSON TRANSACTIONS Notes 33 false false R34.htm 0000034 - Disclosure - FAIR VALUE MEASUREMENTS Sheet http://www.sbgi.net/role/FAIRVALUEMEASUREMENTS_1 FAIR VALUE MEASUREMENTS Notes 34 false false R35.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 35 false false R36.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 36 false false R37.htm 9954471 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) Policies 37 false false R38.htm 9954472 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) Tables http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES 38 false false R39.htm 9954473 - Disclosure - OTHER ASSETS (Tables) Sheet http://www.sbgi.net/role/OTHERASSETSTables OTHER ASSETS (Tables) Tables http://www.sbgi.net/role/OTHERASSETS 39 false false R40.htm 9954474 - Disclosure - EARNINGS PER SHARE (Tables) Sheet http://www.sbgi.net/role/EARNINGSPERSHARETables EARNINGS PER SHARE (Tables) Tables http://www.sbgi.net/role/EARNINGSPERSHARE 40 false false R41.htm 9954475 - Disclosure - SEGMENT DATA (Tables) Sheet http://www.sbgi.net/role/SEGMENTDATATables SEGMENT DATA (Tables) Tables http://www.sbgi.net/role/SEGMENTDATA 41 false false R42.htm 9954476 - Disclosure - VARIABLE INTEREST ENTITIES (Tables) Sheet http://www.sbgi.net/role/VARIABLEINTERESTENTITIESTables VARIABLE INTEREST ENTITIES (Tables) Tables http://www.sbgi.net/role/VARIABLEINTERESTENTITIES 42 false false R43.htm 9954477 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) Sheet http://www.sbgi.net/role/FAIRVALUEMEASUREMENTSTables FAIR VALUE MEASUREMENTS (Tables) Tables http://www.sbgi.net/role/FAIRVALUEMEASUREMENTS 43 false false R44.htm 9954478 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables_1 NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) Tables http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES 44 false false R45.htm 9954479 - Disclosure - OTHER ASSETS (Tables) Sheet http://www.sbgi.net/role/OTHERASSETSTables_1 OTHER ASSETS (Tables) Tables http://www.sbgi.net/role/OTHERASSETS 45 false false R46.htm 9954480 - Disclosure - SEGMENT DATA (Tables) Sheet http://www.sbgi.net/role/SEGMENTDATATables_1 SEGMENT DATA (Tables) Tables http://www.sbgi.net/role/SEGMENTDATA 46 false false R47.htm 9954481 - Disclosure - VARIABLE INTEREST ENTITIES (Tables) Sheet http://www.sbgi.net/role/VARIABLEINTERESTENTITIESTables_1 VARIABLE INTEREST ENTITIES (Tables) Tables http://www.sbgi.net/role/VARIABLEINTERESTENTITIES 47 false false R48.htm 9954482 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) Sheet http://www.sbgi.net/role/FAIRVALUEMEASUREMENTSTables_1 FAIR VALUE MEASUREMENTS (Tables) Tables http://www.sbgi.net/role/FAIRVALUEMEASUREMENTS 48 false false R49.htm 9954483 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Nature of Operations (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNatureofOperationsDetails NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Nature of Operations (Details) Details 49 false false R50.htm 9954484 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Company Reorganization (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESCompanyReorganizationDetails NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Company Reorganization (Details) Details 50 false false R51.htm 9954485 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Deconsolidation of Diamond Sports Intermediate Holdings LLC (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESDeconsolidationofDiamondSportsIntermediateHoldingsLLCDetails NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Deconsolidation of Diamond Sports Intermediate Holdings LLC (Details) Details 51 false false R52.htm 9954486 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Broadcast Television Programming (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESBroadcastTelevisionProgrammingDetails NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Broadcast Television Programming (Details) Details 52 false false R53.htm 9954487 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Hedge Accounting (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESHedgeAccountingDetails NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Hedge Accounting (Details) Details 53 false false R54.htm 9954488 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Non-cash Investing and Financing Activities (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNoncashInvestingandFinancingActivitiesDetails NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Non-cash Investing and Financing Activities (Details) Details 54 false false R55.htm 9954489 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition, Disaggregation of Revenue (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRevenueRecognitionDisaggregationofRevenueDetails NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition, Disaggregation of Revenue (Details) Details 55 false false R56.htm 9954490 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition, Narrative (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRevenueRecognitionNarrativeDetails NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition, Narrative (Details) Details 56 false false R57.htm 9954491 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Income Taxes (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESIncomeTaxesDetails NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Income Taxes (Details) Details http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables 57 false false R58.htm 9954492 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Share Repurchase Program (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESShareRepurchaseProgramDetails NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Share Repurchase Program (Details) Details 58 false false R59.htm 9954493 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Subsequent Events (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESSubsequentEventsDetails NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Subsequent Events (Details) Details 59 false false R60.htm 9954494 - Disclosure - OTHER ASSETS - Schedule of Other Assets (Details) Sheet http://www.sbgi.net/role/OTHERASSETSScheduleofOtherAssetsDetails OTHER ASSETS - Schedule of Other Assets (Details) Details 60 false false R61.htm 9954495 - Disclosure - OTHER ASSETS - Narrative (Details) Sheet http://www.sbgi.net/role/OTHERASSETSNarrativeDetails OTHER ASSETS - Narrative (Details) Details 61 false false R62.htm 9954496 - Disclosure - NOTES PAYABLE, FINANCE LEASES, AND COMMERCIAL BANK FINANCING (Details) Notes http://www.sbgi.net/role/NOTESPAYABLEFINANCELEASESANDCOMMERCIALBANKFINANCINGDetails NOTES PAYABLE, FINANCE LEASES, AND COMMERCIAL BANK FINANCING (Details) Details http://www.sbgi.net/role/NOTESPAYABLEFINANCELEASESANDCOMMERCIALBANKFINANCING 62 false false R63.htm 9954497 - Disclosure - REDEEMABLE NONCONTROLLING INTERESTS (Details) Sheet http://www.sbgi.net/role/REDEEMABLENONCONTROLLINGINTERESTSDetails REDEEMABLE NONCONTROLLING INTERESTS (Details) Details http://www.sbgi.net/role/REDEEMABLENONCONTROLLINGINTERESTS 63 false false R64.htm 9954498 - Disclosure - COMMITMENTS AND CONTINGENCIES - Narrative (Details) Sheet http://www.sbgi.net/role/COMMITMENTSANDCONTINGENCIESNarrativeDetails COMMITMENTS AND CONTINGENCIES - Narrative (Details) Details 64 false false R65.htm 9954499 - Disclosure - EARNINGS PER SHARE - Schedule of Earnings per Share (Details) Sheet http://www.sbgi.net/role/EARNINGSPERSHAREScheduleofEarningsperShareDetails EARNINGS PER SHARE - Schedule of Earnings per Share (Details) Details 65 false false R66.htm 9954500 - Disclosure - SEGMENT DATA - Narrative (Details) Sheet http://www.sbgi.net/role/SEGMENTDATANarrativeDetails SEGMENT DATA - Narrative (Details) Details 66 false false R67.htm 9954501 - Disclosure - SEGMENT DATA - Segment Financial Information (Details) Sheet http://www.sbgi.net/role/SEGMENTDATASegmentFinancialInformationDetails SEGMENT DATA - Segment Financial Information (Details) Details 67 false false R68.htm 9954502 - Disclosure - VARIABLE INTEREST ENTITIES - Narrative (Details) Sheet http://www.sbgi.net/role/VARIABLEINTERESTENTITIESNarrativeDetails VARIABLE INTEREST ENTITIES - Narrative (Details) Details 68 false false R69.htm 9954503 - Disclosure - VARIABLE INTEREST ENTITIES - Schedule of Variable Interest Entities Assets and Liabilities (Details) Sheet http://www.sbgi.net/role/VARIABLEINTERESTENTITIESScheduleofVariableInterestEntitiesAssetsandLiabilitiesDetails VARIABLE INTEREST ENTITIES - Schedule of Variable Interest Entities Assets and Liabilities (Details) Details 69 false false R70.htm 9954504 - Disclosure - RELATED PERSON TRANSACTIONS - Transactions With Our Controlling Shareholders (Details) Sheet http://www.sbgi.net/role/RELATEDPERSONTRANSACTIONSTransactionsWithOurControllingShareholdersDetails RELATED PERSON TRANSACTIONS - Transactions With Our Controlling Shareholders (Details) Details 70 false false R71.htm 9954505 - Disclosure - RELATED PERSON TRANSACTIONS - Cunningham Broadcasting Corporation (Details) Sheet http://www.sbgi.net/role/RELATEDPERSONTRANSACTIONSCunninghamBroadcastingCorporationDetails RELATED PERSON TRANSACTIONS - Cunningham Broadcasting Corporation (Details) Details 71 false false R72.htm 9954506 - Disclosure - RELATED PERSON TRANSACTIONS - MileOne Autogroup Inc. (Details) Sheet http://www.sbgi.net/role/RELATEDPERSONTRANSACTIONSMileOneAutogroupIncDetails RELATED PERSON TRANSACTIONS - MileOne Autogroup Inc. (Details) Details 72 false false R73.htm 9954507 - Disclosure - RELATED PERSON TRANSACTIONS - Leased Property by Real Estate Ventures (Details) Sheet http://www.sbgi.net/role/RELATEDPERSONTRANSACTIONSLeasedPropertybyRealEstateVenturesDetails RELATED PERSON TRANSACTIONS - Leased Property by Real Estate Ventures (Details) Details 73 false false R74.htm 9954508 - Disclosure - RELATED PERSON TRANSACTIONS - Diamond Sports Intermediate Holdings LLC (Details) Sheet http://www.sbgi.net/role/RELATEDPERSONTRANSACTIONSDiamondSportsIntermediateHoldingsLLCDetails RELATED PERSON TRANSACTIONS - Diamond Sports Intermediate Holdings LLC (Details) Details 74 false false R75.htm 9954509 - Disclosure - RELATED PERSON TRANSACTIONS - Other Equity Method Investees (Details) Sheet http://www.sbgi.net/role/RELATEDPERSONTRANSACTIONSOtherEquityMethodInvesteesDetails RELATED PERSON TRANSACTIONS - Other Equity Method Investees (Details) Details 75 false false R76.htm 9954510 - Disclosure - RELATED PERSON TRANSACTIONS - Sports Programming Rights (Details) Sheet http://www.sbgi.net/role/RELATEDPERSONTRANSACTIONSSportsProgrammingRightsDetails RELATED PERSON TRANSACTIONS - Sports Programming Rights (Details) Details 76 false false R77.htm 9954511 - Disclosure - RELATED PERSON TRANSACTIONS - Employees (Details) Sheet http://www.sbgi.net/role/RELATEDPERSONTRANSACTIONSEmployeesDetails RELATED PERSON TRANSACTIONS - Employees (Details) Details 77 false false R78.htm 9954512 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Carrying Value and Fair Value of Notes and Debentures (Details) Notes http://www.sbgi.net/role/FAIRVALUEMEASUREMENTSScheduleofCarryingValueandFairValueofNotesandDebenturesDetails FAIR VALUE MEASUREMENTS - Schedule of Carrying Value and Fair Value of Notes and Debentures (Details) Details 78 false false R79.htm 9954513 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Level 3 Activity (Details) Sheet http://www.sbgi.net/role/FAIRVALUEMEASUREMENTSScheduleofLevel3ActivityDetails FAIR VALUE MEASUREMENTS - Schedule of Level 3 Activity (Details) Details 79 false false R80.htm 9954514 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Nature of Operations (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNatureofOperationsDetails_1 NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Nature of Operations (Details) Details 80 false false R81.htm 9954515 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Company Reorganization (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESCompanyReorganizationDetails_1 NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Company Reorganization (Details) Details 81 false false R82.htm 9954516 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Deconsolidation of Diamond Sports Intermediate Holdings LLC (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESDeconsolidationofDiamondSportsIntermediateHoldingsLLCDetails_1 NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Deconsolidation of Diamond Sports Intermediate Holdings LLC (Details) Details 82 false false R83.htm 9954517 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Broadcast Television Programming (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESBroadcastTelevisionProgrammingDetails_1 NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Broadcast Television Programming (Details) Details 83 false false R84.htm 9954518 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Hedge Accounting (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESHedgeAccountingDetails_1 NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Hedge Accounting (Details) Details 84 false false R85.htm 9954519 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Non-cash Investing and Financing Activities (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNoncashInvestingandFinancingActivitiesDetails_1 NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Non-cash Investing and Financing Activities (Details) Details 85 false false R86.htm 9954520 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition, Disaggregation of Revenue (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRevenueRecognitionDisaggregationofRevenueDetails_1 NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition, Disaggregation of Revenue (Details) Details 86 false false R87.htm 9954521 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition, Narrative (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRevenueRecognitionNarrativeDetails_1 NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition, Narrative (Details) Details 87 false false R88.htm 9954522 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Income Taxes (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESIncomeTaxesDetails_1 NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Income Taxes (Details) Details http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables 88 false false R89.htm 9954523 - Disclosure - NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Share Repurchase Program (Details) Sheet http://www.sbgi.net/role/NATUREOFOPERATIONSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESShareRepurchaseProgramDetails_1 NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Share Repurchase Program (Details) Details 89 false false R90.htm 9954524 - Disclosure - OTHER ASSETS - Schedule of Other Assets (Details) Sheet http://www.sbgi.net/role/OTHERASSETSScheduleofOtherAssetsDetails_1 OTHER ASSETS - Schedule of Other Assets (Details) Details 90 false false R91.htm 9954525 - Disclosure - OTHER ASSETS - Narrative (Details) Sheet http://www.sbgi.net/role/OTHERASSETSNarrativeDetails_1 OTHER ASSETS - Narrative (Details) Details 91 false false R92.htm 9954526 - Disclosure - NOTES PAYABLE, FINANCE LEASES, AND COMMERCIAL BANK FINANCING (Details) Notes http://www.sbgi.net/role/NOTESPAYABLEFINANCELEASESANDCOMMERCIALBANKFINANCINGDetails_1 NOTES PAYABLE, FINANCE LEASES, AND COMMERCIAL BANK FINANCING (Details) Details http://www.sbgi.net/role/NOTESPAYABLEFINANCELEASESANDCOMMERCIALBANKFINANCING 92 false false R93.htm 9954527 - Disclosure - REDEEMABLE NONCONTROLLING INTERESTS (Details) Sheet http://www.sbgi.net/role/REDEEMABLENONCONTROLLINGINTERESTSDetails_1 REDEEMABLE NONCONTROLLING INTERESTS (Details) Details http://www.sbgi.net/role/REDEEMABLENONCONTROLLINGINTERESTS 93 false false R94.htm 9954528 - Disclosure - COMMITMENTS AND CONTINGENCIES - Narrative (Details) Sheet http://www.sbgi.net/role/COMMITMENTSANDCONTINGENCIESNarrativeDetails_1 COMMITMENTS AND CONTINGENCIES - Narrative (Details) Details 94 false false R95.htm 9954529 - Disclosure - SEGMENT DATA - Narrative (Details) Sheet http://www.sbgi.net/role/SEGMENTDATANarrativeDetails_1 SEGMENT DATA - Narrative (Details) Details 95 false false R96.htm 9954530 - Disclosure - SEGMENT DATA - Segment Financial Information (Details) Sheet http://www.sbgi.net/role/SEGMENTDATASegmentFinancialInformationDetails_1 SEGMENT DATA - Segment Financial Information (Details) Details 96 false false R97.htm 9954531 - Disclosure - VARIABLE INTEREST ENTITIES - Narrative (Details) Sheet http://www.sbgi.net/role/VARIABLEINTERESTENTITIESNarrativeDetails_1 VARIABLE INTEREST ENTITIES - Narrative (Details) Details 97 false false R98.htm 9954532 - Disclosure - VARIABLE INTEREST ENTITIES - Schedule of Variable Interest Entities Assets and Liabilities (Details) Sheet http://www.sbgi.net/role/VARIABLEINTERESTENTITIESScheduleofVariableInterestEntitiesAssetsandLiabilitiesDetails_1 VARIABLE INTEREST ENTITIES - Schedule of Variable Interest Entities Assets and Liabilities (Details) Details 98 false false R99.htm 9954533 - Disclosure - RELATED PERSON TRANSACTIONS - Transactions With SBG's Indirect Controlling Shareholders (Details) Sheet http://www.sbgi.net/role/RELATEDPERSONTRANSACTIONSTransactionsWithSBGsIndirectControllingShareholdersDetails RELATED PERSON TRANSACTIONS - Transactions With SBG's Indirect Controlling Shareholders (Details) Details 99 false false R100.htm 9954534 - Disclosure - RELATED PERSON TRANSACTIONS - Cunningham Broadcasting Corporation (Details) Sheet http://www.sbgi.net/role/RELATEDPERSONTRANSACTIONSCunninghamBroadcastingCorporationDetails_1 RELATED PERSON TRANSACTIONS - Cunningham Broadcasting Corporation (Details) Details 100 false false R101.htm 9954535 - Disclosure - RELATED PERSON TRANSACTIONS - MileOne Autogroup Inc. (Details) Sheet http://www.sbgi.net/role/RELATEDPERSONTRANSACTIONSMileOneAutogroupIncDetails_1 RELATED PERSON TRANSACTIONS - MileOne Autogroup Inc. (Details) Details 101 false false R102.htm 9954536 - Disclosure - RELATED PERSON TRANSACTIONS - Leased Property by Real Estate Ventures (Details) Sheet http://www.sbgi.net/role/RELATEDPERSONTRANSACTIONSLeasedPropertybyRealEstateVenturesDetails_1 RELATED PERSON TRANSACTIONS - Leased Property by Real Estate Ventures (Details) Details 102 false false R103.htm 9954537 - Disclosure - RELATED PERSON TRANSACTIONS - Sinclair, Inc. (Details) Sheet http://www.sbgi.net/role/RELATEDPERSONTRANSACTIONSSinclairIncDetails RELATED PERSON TRANSACTIONS - Sinclair, Inc. (Details) Details 103 false false R104.htm 9954538 - Disclosure - RELATED PERSON TRANSACTIONS - Diamond Sports Intermediate Holdings LLC (Details) Sheet http://www.sbgi.net/role/RELATEDPERSONTRANSACTIONSDiamondSportsIntermediateHoldingsLLCDetails_1 RELATED PERSON TRANSACTIONS - Diamond Sports Intermediate Holdings LLC (Details) Details 104 false false R105.htm 9954539 - Disclosure - RELATED PERSON TRANSACTIONS - Other Equity Method Investees (Details) Sheet http://www.sbgi.net/role/RELATEDPERSONTRANSACTIONSOtherEquityMethodInvesteesDetails_1 RELATED PERSON TRANSACTIONS - Other Equity Method Investees (Details) Details 105 false false R106.htm 9954540 - Disclosure - RELATED PERSON TRANSACTIONS - Sports Programming Rights (Details) Sheet http://www.sbgi.net/role/RELATEDPERSONTRANSACTIONSSportsProgrammingRightsDetails_1 RELATED PERSON TRANSACTIONS - Sports Programming Rights (Details) Details 106 false false R107.htm 9954541 - Disclosure - RELATED PERSON TRANSACTIONS - Employees (Details) Sheet http://www.sbgi.net/role/RELATEDPERSONTRANSACTIONSEmployeesDetails_1 RELATED PERSON TRANSACTIONS - Employees (Details) Details 107 false false R108.htm 9954542 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Carrying Value and Fair Value of Notes and Debentures (Details) Notes http://www.sbgi.net/role/FAIRVALUEMEASUREMENTSScheduleofCarryingValueandFairValueofNotesandDebenturesDetails_1 FAIR VALUE MEASUREMENTS - Schedule of Carrying Value and Fair Value of Notes and Debentures (Details) Details 108 false false R109.htm 9954543 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Level 3 Activity (Details) Sheet http://www.sbgi.net/role/FAIRVALUEMEASUREMENTSScheduleofLevel3ActivityDetails_1 FAIR VALUE MEASUREMENTS - Schedule of Level 3 Activity (Details) Details 109 false false All Reports Book All Reports sbgi-20230930.htm sbgi-20230930.xsd sbgi-20230930_cal.xml sbgi-20230930_def.xml sbgi-20230930_lab.xml sbgi-20230930_pre.xml http://fasb.org/us-gaap/2023 http://xbrl.sec.gov/dei/2023 http://xbrl.sec.gov/ecd/2023 true true