Segment reporting - Summarized financial information (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) segment	Jun. 30, 2024 USD ($)
Disclosure of operating segments [line items]
Number of operating segments \| segment			3
Revenues from external customers	$ 433.3	$ 435.4	$ 872.9	$ 853.1
Segment Adjusted EBITDA	277.3	287.2	563.7	499.7
Elimination of intersegment amounts
Disclosure of operating segments [line items]
Revenues from external customers			0.0
Nigeria
Disclosure of operating segments [line items]
Revenues from external customers	260.4	269.6	531.7	497.3
Segment Adjusted EBITDA	170.7	171.4	349.8	274.3
SSA
Disclosure of operating segments [line items]
Revenues from external customers	127.8	108.2	248.6	239.5
Segment Adjusted EBITDA	73.1	76.4	144.8	146.1
Latam
Disclosure of operating segments [line items]
Revenues from external customers	45.1	46.5	92.6	94.3
Segment Adjusted EBITDA	$ 33.5	33.3	$ 69.1	67.1
MENA
Disclosure of operating segments [line items]
Revenues from external customers		11.1		22.0
Segment Adjusted EBITDA		$ 6.1		$ 12.2

The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims.

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+ Details

IHS Holding Ltd 6-K