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Related Party Transactions - Additional Information (Details) - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Whitfield Management Limited
Disclosure of transactions between related parties [line items]
Key management personnel services related party transactions	€ 1.8	€ 2.1	€ 2.2

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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

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- Definition

Key management personnel services related party transactions

+ References

No definition available.

+ Details

Name:	sghc_KeyManagementPersonnelServicesRelatedPartyTransactions
Namespace Prefix:	sghc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- Details

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