Name:	ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The amount of increase (decrease) in the fair value measurement of assets, recognised in profit or loss after tax, due to a reasonably possible decrease in an unobservable input. [Refer: Tax income (expense)]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 13
-IssueDate 2019-01-01
-Paragraph 93
-Subparagraph h
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2019-en-r&anchor=para_93_h_ii&doctype=Standard
-URIDate 2019-03-27

Name:	ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputRecognisedInProfitOrLossAfterTaxAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

The amount of increase (decrease) in the fair value measurement of assets, recognised in profit or loss after tax, due to a reasonably possible increase in an unobservable input. [Refer: Tax income (expense)]

Name:	ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputRecognisedInProfitOrLossAfterTaxAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

The percentage of a reasonably possible decrease in an unobservable input used in fair value measurement of assets.

Name:	ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The percentage of a reasonably possible increase in an unobservable input used in fair value measurement of assets.

Name:	ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The upward or downward change in the relevant risk variable percentage used for sensitivity analysis of types of risk to which the entity is exposed. Used to calculate how profit or loss and equity would have been affected by changes in the relevant risk variable that were reasonably possible as of the reporting date.

No definition available.

Name:	sap_SensitivityAnalysisEffectOfChangeInVariablePercent
Namespace Prefix:	sap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The monetary downward change in the relevant risk variable percentage used for sensitivity analysis of types of risk to which the entity is exposed. Used to calculate how other comprehensive would have been affected by changes in the relevant risk variable that were reasonably possible as of the reporting date.

No definition available.

Name:	sap_SensitivityAnalysisEffectOfDownwardShiftInForeignCurrencyExchangeRatesOtherComprehensiveIncome
Namespace Prefix:	sap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The monetary downward change in the relevant risk variable percentage used for sensitivity analysis of types of risk to which the entity is exposed. Used to calculate how other non-operating expense would have been affected by changes in the relevant risk variable that were reasonably possible as of the reporting date.

No definition available.

Name:	sap_SensitivityAnalysisEffectOfDownwardShiftInForeignCurrencyExchangeRatesOtherNonOperatingExpense
Namespace Prefix:	sap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The monetary upward change in the relevant risk variable percentage used for sensitivity analysis of types of risk to which the entity is exposed. Used to calculate how other comprehensive would have been affected by changes in the relevant risk variable that were reasonably possible as of the reporting date.

No definition available.

Name:	sap_SensitivityAnalysisEffectOfUpwardShiftInForeignCurrencyExchangeRatesOtherComprehensiveIncome
Namespace Prefix:	sap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The monetary upward change in the relevant risk variable percentage used for sensitivity analysis of types of risk to which the entity is exposed. Used to calculate how other non-operating expense would have been affected by changes in the relevant risk variable that were reasonably possible as of the reporting date.

No definition available.

Name:	sap_SensitivityAnalysisEffectOfUpwardShiftInForeignCurrencyExchangeRatesOtherNonOperatingExpense
Namespace Prefix:	sap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Name:	ifrs-full_TypesOfRisksAxis=sap_EuroAndOtherCurrenciesCurrencyRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_UnobservableInputsAxis=sap_ForeignCurrencyMeasurementInputMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_TypesOfRisksAxis=sap_DerivativesHeldWithInDesignatedCashFlowHedgeRelationshipMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_TypesOfRisksAxis=sap_EmbeddedDerivativesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: