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

- References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 85
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_85&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_FinanceIncome
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_112_c&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_InterestIncomeOnDeposits
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- References

Name:	ifrs-full_InterestIncomeOnOtherFinancialAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

Name:	ifrs-full_NotionalAmount
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

The interest rate on vendor loan notes received from disposal of subsidiaries.

No definition available.

Name:	ihs_DeferredConsiderationVendorLoanNotesInterestRateReceivedFromDisposalOfSubsidiaries
Namespace Prefix:	ihs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Represents the term of vendor loan notes received from disposal of subsidiaries.

No definition available.

Name:	ihs_DeferredConsiderationVendorLoanNotesTermReceivedFromDisposalOfSubsidiaries
Namespace Prefix:	ihs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The amount of fair value gain on embedded options.

No definition available.

Name:	ihs_FairValueGainOnEmbeddedOptions
Namespace Prefix:	ihs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Amount of foreign currency transaction unrealized gain (loss) from derivative instruments recognized in the income statement.

No definition available.

Name:	ihs_ForeignCurrencyTransactionGainLossFromDerivativeInstrumentsUnrealized
Namespace Prefix:	ihs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The amount of foreign currency transaction unrealized gain (loss) from financing, recognized in the income statement.

No definition available.