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The exercise price of outstanding share options.

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Data Type:	dtr-types:perShareItemType
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Period Type:	instant

The number of share options outstanding in a share-based payment arrangement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2023-01-01
-Paragraph 45
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_d&doctype=Standard
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2023-01-01
-Paragraph 45
-Subparagraph b
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_b_i&doctype=Standard
-URIDate 2023-03-23

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2023-01-01
-Paragraph 45
-Subparagraph b
-Clause vi
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_b_vi&doctype=Standard
-URIDate 2023-03-23

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Data Type:	xbrli:decimalItemType
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The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]]

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Contractual life of share options at grant date

No definition available.

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Namespace Prefix:	ihs_
Data Type:	xbrli:durationItemType
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Period Type:	duration

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=ihs_ShareOptionsGrantedYear2014Member
Namespace Prefix:
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Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=ihs_ShareOptionsGrantedYear2015Member
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Data Type:	na
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Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=ihs_ShareOptionsGrantedYear2017Member
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Data Type:	na
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Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=ihs_ShareOptionsGrantedYear2018Member
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Data Type:	na
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Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=ihs_ShareOptionsGrantedYear2020Member
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Data Type:	na
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Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=ihs_ShareOptionsGrantedYear2021Member
Namespace Prefix:
Data Type:	na
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Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=ihs_ShareOptionsGrantedYear2022Member
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