Income Taxes - Reform of International Taxation Rules (Details) - EUR (€) € in Millions	1 Months Ended	12 Months Ended
Oct. 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Taxes
Corporate income tax rate	15.00%	15.00%	15.00%	15.00%
Multinational enterprises revenue in future	€ 750

Amount of revenue in multinational enterprises in future.

No definition available.

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