XML 78 R67.htm IDEA: XBRL DOCUMENT
v3.25.3

Derivative financial instruments - Change in fair value of the derivative instruments (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Derivative financial instruments |  |  |  |
Change in fair value of the derivative instruments | $ 40.8 | $ 20.3 | $ 45.3 | $ 36.8
Embedded options within listed bonds |  |  |  |
Derivative financial instruments |  |  |  |
Change in fair value of the derivative instruments | 30.6 | 19.0 | 34.9 | 29.6
Foreign exchange swaps |  |  |  |
Derivative financial instruments |  |  |  |
Change in fair value of the derivative instruments | $ 10.2 | $ 1.3 | $ 10.4 | 7.0
Interest rate caps |  |  |  |
Derivative financial instruments |  |  |  |
Change in fair value of the derivative instruments |  |  |  | $ 0.2

X
- 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_DisclosureOfFinancialInstrumentsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The gains (losses) resulting from change in the fair value of derivatives recognised in profit or loss. [Refer: Derivatives [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 85 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_85&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=ihs_EmbeddedOptionsWithinListedBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=ifrs-full_CurrencySwapContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=ihs_InterestRateCapsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |