Commitments (Details) - EUR (€) € in Millions	12 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Commitments
Contracts placed for future capital expenditure not provided in the financial statements	€ 2,264	€ 2,442
Vodafone Spain and Vodafone Italy
Commitments
Contracts placed for future capital expenditure not provided in the financial statements	€ 0	423
OXG Glasfaser GmbH \| Altice Luxembourg S.A
Commitments
Ownership interest of joint venture	50.00%
Capital commitments from share of joint operations	€ 950
Capital commitments provided to joint venture entities	36	€ 32
Capital commitments	€ 882

The amount of future capital expenditures that the entity is committed to make.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The amount of capital commitments for which the entity has entered into a contract. [Refer: Capital commitments]

+ References

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- 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.

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- Definition

The proportion of ownership interest in a joint venture attributable to the entity. [Refer: Total for all joint ventures [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2024-01-01
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The amount of capital commitments that have been provided to joint venture by the entity.

+ References

No definition available.

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- Definition

The amount of capital commitments from the share of joint operations for which the entity has entered into a contract.

+ References

No definition available.

+ Details

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