The amount of contractual undiscounted cash flows in relation to bank borrowings. [Refer: Borrowings]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph B11D
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_B11D&doctype=Appendix&subtype=B
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph IG31A
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_IG31A&doctype=Implementation%20Guidance
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_BankBorrowingsUndiscountedCashFlows
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 7
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_7&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_BorrowingsAdjustmentToInterestRateBasis
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

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

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2023-03-23

+ Details

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

- Definition

The cash inflow from borrowings obtained. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2023-01-01
-Paragraph 17
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_17_c&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow to settle borrowings, classified as financing activities. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2023-01-01
-Paragraph 17
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_17_d&doctype=Standard
-URIDate 2023-03-23

+ Details

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

- Definition

Withholding tax rate

+ References

No definition available.

+ Details

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

- Details

Name:	ifrs-full_BorrowingsByNameAxis=ihs_IhsHoldingTermLoanFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=ihs_DrawdownsAndRepaymentsOfBorrowingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=ihs_SigningOfLoanAgreementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=ihs_IhsHolding2024DualTrancheTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=ihs_IhsHolding2024DualTrancheTermLoanUsdTrancheMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfInterestRatesAxis=ihs_IfrsSecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=ihs_IhsHolding2024DualTrancheTermLoanZarTrancheMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfInterestRatesAxis=ihs_JibarMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=ifrs-full_ChangesInTaxRatesOrTaxLawsEnactedOrAnnouncedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_GeographicalAreasAxis=country_NG
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Events after the reporting period (Details) $ in Thousands, R in Millions			1 Months Ended			3 Months Ended		9 Months Ended
	Jan. 01, 2025	Dec. 31, 2024	Oct. 31, 2024 USD ($)	Oct. 31, 2024 ZAR (R)	Apr. 30, 2024 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)
Disclosure of non-adjusting events after reporting period [line items]
Repayments of borrowings, classified as financing activities						$ 58,998	$ 226,741	$ 465,823	$ 644,591
IHS Holding (2022) Term Loan Facility
Disclosure of non-adjusting events after reporting period [line items]
Notional amount						$ 430,000		$ 430,000
Notional amount of borrowings drawn down					$ 430,000
Proceeds from borrowings, classified as financing activities					$ 60,000
Drawdowns and repayments of borrowings \| IHS Holding (2022) Term Loan Facility
Disclosure of non-adjusting events after reporting period [line items]
Repayments of borrowings, classified as financing activities			$ 430,000
Signing of loan agreements \| IHS Holding 2024 Dual Tranche Term Loan
Disclosure of non-adjusting events after reporting period [line items]
Proceeds from borrowings, classified as financing activities			438,600
Signing of loan agreements \| IHS Holding 2024 Dual Tranche Term Loan - USD Tranche
Disclosure of non-adjusting events after reporting period [line items]
Proceeds from borrowings, classified as financing activities			$ 255,000
Signing of loan agreements \| IHS Holding 2024 Dual Tranche Term Loan - USD Tranche \| SOFR
Disclosure of non-adjusting events after reporting period [line items]
Borrowings, adjustment to interest rate basis			4.50%	4.50%
Signing of loan agreements \| IHS Holding 2024 Dual Tranche Term Loan - ZAR Tranche
Disclosure of non-adjusting events after reporting period [line items]
Proceeds from borrowings, classified as financing activities \| R				R 3,246.0
Signing of loan agreements \| IHS Holding 2024 Dual Tranche Term Loan - ZAR Tranche \| JIBAR
Disclosure of non-adjusting events after reporting period [line items]
Borrowings, adjustment to interest rate basis			4.50%	4.50%
Changes in tax rates or tax laws enacted or announced \| Forecast \| Nigeria
Disclosure of non-adjusting events after reporting period [line items]
Withholding tax rate	2.00%	10.00%