Financial Risk Factors and Risk Management - Foreign Currency Exchange Rate Risk Management (Details)	12 Months Ended
Dec. 31, 2019
Financial Risk Factors and Risk Management
Maximum derivative financial instruments hedge horizon and maturity	12 months
The timeframe of occurrence of hedged forecasted transactions and recognition in profit or loss	12 months

The timeframe of occurrence of hedged forecasted transactions and recognition in profit or loss from the date of the statement of financial position, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	sap_TimeFrameOfOccurrenceOfHedgedForecastedTransactions
Namespace Prefix:	sap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration