Goodwill and other intangible assets - Fair value (Details) - IHS Latam tower businesses	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Goodwill and other intangible assets
Discount rate	11.00%	10.10%
Period of gross margin	10 years

The discount rate used in the current measurement of fair value less costs of disposal.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2023-01-01
-Paragraph 130
-Subparagraph f
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_130_f_iii&doctype=Standard
-URIDate 2023-03-23

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