XML 111 R104.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Remeasurement Items affecting operating profit - Assumptions (Details) | 12 Months Ended
--- | ---
Jun. 30, 2018 R / $ $ / gal $ / MMBTU $ / bbl | Jun. 30, 2017 R / $ $ / gal $ / MMBTU $ / bbl | Jun. 30, 2016 R / $ $ / gal $ / MMBTU $ / bbl
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] |  |  |
Long-term average crude oil price (in USD/bbl) | $ / bbl | 73.91 | 74.29 | 85.37
Long-term average gas price (Henry Hub), excluding margins (real) (in USD/mmbtu) | $ / MMBTU | 3.49 | 3.69 | 3.73
Long-term average ethane price (nominal) (in US$/gal) | $ / gal | 0.3742 | 0.4427 | 0.6249
Long-term average exchange rate (R/US$) | R / $ | 13.57 | 14.71 | 14.95
Future oil price period (in years) | 5 years | 5 years | 10 years
Future exchange rate period (in years) | 5 years | 5 years | 10 years
Future ethane price period (in years) | 10 years | 10 years |
Minimum |  |  |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] |  |  |
Period over which management has projected cash flows | 5 years |  |
South Africa |  |  |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] |  |  |
Growth rate - long-term producer price index | 5.50% | 5.50% | 6.02%
Weighted average cost of capital | 12.71% | 12.50% | 14.05%
Discount rate - risk adjusted | 12.71% | 12.50% | 14.05%
United States of America |  |  |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] |  |  |
Growth rate - long-term producer price index | 2.00% | 2.00% | 2.52%
Weighted average cost of capital | 7.56% | 6.60% | 8.00%
Discount rate - risk adjusted | 7.56% | 6.60% | 8.00%
Europe |  |  |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] |  |  |
Growth rate - long-term producer price index | 2.00% | 2.00% | 1.80%
Europe | Minimum |  |  |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] |  |  |
Weighted average cost of capital | 7.68% | 6.60% | 8.00%
Discount rate - risk adjusted | 7.68% | 6.60% | 8.00%
Europe | Maximum |  |  |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] |  |  |
Weighted average cost of capital | 9.35% | 8.22% | 9.35%
Discount rate - risk adjusted | 9.35% | 8.22% | 9.35%
Canada |  |  |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] |  |  |
Growth rate - long-term producer price index | 2.00% | 2.00% | 2.00%
Weighted average cost of capital | 7.68% | 6.60% | 8.00%
Discount rate - risk adjusted | 10.00% |  |
Canada | Minimum |  |  |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] |  |  |
Discount rate - risk adjusted |  | 9.50% | 9.50%
Canada | Maximum |  |  |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] |  |  |
Discount rate - risk adjusted |  | 9.80% | 9.80%

X
- Definition The discount rate used in the current estimate of the present value of the future cash flows expected to be derived from an asset or cash-generating unit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2017-01-01 -Paragraph 130 -Subparagraph g -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=36&date=2017-03-01&anchor=para_130_g&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The growth rate used to extrapolate cash flow projections beyond the period covered by the most recent budgets/forecasts for a cash-generating unit (group of units). [Refer: Cash-generating units [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2017-01-01 -Paragraph 134 -Subparagraph d -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=36&date=2017-03-01&anchor=para_134_d_iv&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2017-01-01 -Paragraph 134 -Subparagraph e -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=36&date=2017-03-01&anchor=para_134_e_iv&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The Long-term average crude oil price used as an assumption in the asset impairment calculations. + References No definition available. + Details
Name: | ssl_AssetImpairmentRecoveryAssumptionsLongTermAverageCrudeOilPrice
Namespace Prefix: | ssl_
Data Type: | us-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition The Long-term average exchange rate used as an assumption in the asset impairment calculations. + References No definition available. + Details
Name: | ssl_AssetImpairmentRecoveryAssumptionsLongTermAverageExchangeRate
Namespace Prefix: | ssl_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The Long-term average gas price used as an assumption in the asset impairment calculations. + References No definition available. + Details
Name: | ssl_AssetImpairmentRecoveryAssumptionsLongTermAverageGasPrice
Namespace Prefix: | ssl_
Data Type: | us-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition The Long-term ethane price used as an assumption in the asset impairment calculations. + References No definition available. + Details
Name: | ssl_AssetImpairmentRecoveryAssumptionsLongTermEthanePrice
Namespace Prefix: | ssl_
Data Type: | us-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average cost of capital used as an assumption in the asset impairment recovery. + References No definition available. + Details
Name: | ssl_AssetImpairmentRecoveryAssumptionsWeightedAverageCostOfCapital
Namespace Prefix: | ssl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The period of time used to calculate the long-term average ethanol price assumption used in value in use calculations. + References No definition available. + Details
Name: | ssl_FutureEthanelPricePeriodUsedInValueInUseCalculation
Namespace Prefix: | ssl_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The period of time used to calculate the long-term exchange rate assumption used in value in use calculations. + References No definition available. + Details
Name: | ssl_FutureExchangeRatePeriodUsedInValueInUseCalculations
Namespace Prefix: | ssl_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The period of time used to calculate the long-term average oil price assumption used in value in use calculations. + References No definition available. + Details
Name: | ssl_FutureOilPricePeriodUsedInValueInUseCalculation
Namespace Prefix: | ssl_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period over which management has projected cash flows + References No definition available. + Details
Name: | ssl_PeriodOverWhichManagementHasProjectedCashFlows
Namespace Prefix: | ssl_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=ifrs-full_CountryOfDomicileMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=us-gaap_EuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |