Name:	ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
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The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2023-01-01
-Paragraph 17
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_17&doctype=Standard
-URIDate 2023-03-23

Name:	ifrs-full_KeyManagementPersonnelCompensation
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The amount of compensation to key management personnel in the form of other long-term employee benefits. [Refer: Other long-term employee benefits; Key management personnel of entity or parent [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2023-01-01
-Paragraph 17
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_17_c&doctype=Standard
-URIDate 2023-03-23

Name:	ifrs-full_KeyManagementPersonnelCompensationOtherLongtermBenefits
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Corporate performance target achieved, percentage

No definition available.

Name:	ssl_CorporatePerformanceTargetAchievedPercentage
Namespace Prefix:	ssl_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

The amount of compensation to key management personnel in the form of healthcare.

No definition available.

Name:	ssl_KeyManagementPersonnelCompensationHealthcare
Namespace Prefix:	ssl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The period apportioned of current remuneration for service as prescribed officer.

No definition available.

Name:	ssl_KeyManagementPersonnelCompensationPeriodApportionedForPrescribedOfficerService
Namespace Prefix:	ssl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The period apportioned of current remuneration for service as president and chief executive officer.

No definition available.

Name:	ssl_KeyManagementPersonnelCompensationPeriodApportionedForPresidentAndChiefExecutiveOfficerService
Namespace Prefix:	ssl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Key management personnel compensation, salary and benefits

No definition available.

Name:	ssl_KeyManagementPersonnelCompensationSalaryAndBenefits
Namespace Prefix:	ssl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The amount of compensation to key management personnel in the form of annual incentives.

No definition available.

Name:	ssl_KeyManagementPersonnelCompensationShorttermEmployeeBenefitsAnnualIncentives
Namespace Prefix:	ssl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The amount of compensation to key management personnel in the form of retirement funding.

No definition available.

Name:	ssl_KeyManagementPersonnelCompensationShorttermEmployeeBenefitsRetirementFunding
Namespace Prefix:	ssl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The amount of compensation to key management personnel in the form of salary.

No definition available.

Name:	ssl_KeyManagementPersonnelCompensationShorttermEmployeeBenefitsWagesAndSalaries
Namespace Prefix:	ssl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The amount of compensation to key management personnel in the form of taxable fringe short-term benefits.

No definition available.

Name:	ssl_KeyManagementPersonnelCompensationTaxableFringeShorttermBenefits
Namespace Prefix:	ssl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The amount of compensation to key management personnel in the form of vehicle benefit.

No definition available.

Name:	ssl_KeyManagementPersonnelCompensationVehicleBenefit
Namespace Prefix:	ssl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The notice period required to be served by key management personnel.

No definition available.

Name:	ssl_KeyManagementPersonnelNoticePeriod
Namespace Prefix:	ssl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Percentage of vested LTIs and accrued dividends released first

No definition available.

Name:	ssl_PercentageOfVestedLtisAndAccruedDividendsReleasedFirst
Namespace Prefix:	ssl_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

Percentage of vested LTIs and accrued dividends released second

No definition available.

Name:	ssl_PercentageOfVestedLtisAndAccruedDividendsReleasedSecond
Namespace Prefix:	ssl_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=ssl_ExecutiveDirectorsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=ssl_SBaloyiExecutiveDirectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=ssl_FrGroblerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=ssl_VdKahlaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: