EBP, Employer Contribution Match, Service Period

No definition available.

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Period Type:	duration

- Definition

EBP, Employer Contribution Vesting Percentage

+ References

No definition available.

+ Details

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Namespace Prefix:	sbgi_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Employer Contribution Vesting Service Period

+ References

No definition available.

+ Details

Name:	sbgi_EBPEmployerContributionVestingServicePeriod
Namespace Prefix:	sbgi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Note Receivable From Participant, Maximum Borrowing Term

+ References

No definition available.

+ Details

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Namespace Prefix:	sbgi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Note Receivable From Participant, Maximum Number Of Loans Outstanding At One Time

+ References

No definition available.

+ Details

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Namespace Prefix:	sbgi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

EBP, Participant Loan, Basis Spread On Variable Rate

+ References

No definition available.

+ Details

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Namespace Prefix:	sbgi_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Requisite Service Period

+ References

No definition available.

+ Details

Name:	sbgi_EBPRequisiteServicePeriod
Namespace Prefix:	sbgi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Requisite Service Period, Hourly Requirement

+ References

No definition available.

+ Details

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Namespace Prefix:	sbgi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Terminating Member, Minimum Balance To Maintain Account

+ References

No definition available.

+ Details

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Namespace Prefix:	sbgi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

EBP, Weekly Eligibility Credit, Period

+ References

No definition available.

+ Details

Name:	sbgi_EBPWeeklyEligibilityCreditPeriod
Namespace Prefix:	sbgi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of employer matching contribution on eligible participant contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanEmployerContributionMatchingPercentage
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of participant compensation eligible for employer matching contribution for participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanEmployerContributionParticipantCompensationMatchedPercentage
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of excess contribution payable to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478873/962-325-55-17

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule II))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477063/962-205-45-4

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of plan asset, in forfeited nonvested account, no longer allocated to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccount
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of decrease in forfeited nonvested account of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) from employer contribution.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478873/962-325-55-17

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (j)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-04(5)(c))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow.

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow to total participant account balance.

+ References

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of minimum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow.

+ References

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage of maximum pretax annual compensation that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute to total pretax annual compensation.

+ References

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
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Period Type:	duration

- Details

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Namespace Prefix:
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- Details

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- Details

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- Details

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- Details

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- Details

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Namespace Prefix:
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Period Type:

- Details

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- Details

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PLAN DESCRIPTION (Details)		12 Months Ended
PLAN DESCRIPTION (Details)	Dec. 31, 2017	Dec. 31, 2025 USD ($) loan	Dec. 31, 2024 USD ($)
20% vested after two years of service
EBP, Description of Plan [Line Items]
Vesting period	2 years
40% vested after three years of service
EBP, Description of Plan [Line Items]
Vesting period	3 years
60% vested after four years of service
EBP, Description of Plan [Line Items]
Vesting period	4 years
80% vested after five years of service
EBP, Description of Plan [Line Items]
Vesting period	5 years
100% vested after six years of service
EBP, Description of Plan [Line Items]
Vesting period	6 years
EBP 001
EBP, Description of Plan [Line Items]
Requisite service period		30 days
Service period required to be eligible for contribution match		1 year
Hourly requirement for eligibility		1000 hours
Weekly eligibility credit		45 hours
Maximum annual compensation to total compensation, percentage		85.00%
Vesting percentage		100.00%
Minimum balance required for terminating member to maintain account		$ 7,000
Forfeited amounts and unapplied loan payments		727,032	$ 656,538
Forfeitures used to fund employer contributions		20,000
Excess contributions refundable		9,117	$ 4,141
Participant loan minimum		1,000
Participant loan maximum		$ 50,000
Participant loan, maximum amount, percentage of vested balance		50.00%
Participant loan, basis spread on variable rate		1.00%
Maximum number of loans outstanding at one time \| loan		2
Participant loan, maximum borrowing term		5 years
EBP 001 \| 20% vested after two years of service
EBP, Description of Plan [Line Items]
Vesting percentage	20.00%
EBP 001 \| 40% vested after three years of service
EBP, Description of Plan [Line Items]
Vesting percentage	40.00%
EBP 001 \| 60% vested after four years of service
EBP, Description of Plan [Line Items]
Vesting percentage	60.00%
EBP 001 \| 80% vested after five years of service
EBP, Description of Plan [Line Items]
Vesting percentage	80.00%
EBP 001 \| 100% vested after six years of service
EBP, Description of Plan [Line Items]
Vesting percentage	100.00%
EBP 001 \| 100% of first 3%
EBP, Description of Plan [Line Items]
Employer matching contribution, percentage		100.00%
Participant compensation matched, percentage		3.00%
EBP 001 \| 50% of next 2%
EBP, Description of Plan [Line Items]
Employer matching contribution, percentage		50.00%
Participant compensation matched, percentage		2.00%
EBP 001 \| 4% for 5% contribution or greater
EBP, Description of Plan [Line Items]
Employer matching contribution, percentage		4.00%
Participant compensation matched, percentage		5.00%