Trade and other payables (Details) - GBP (£) £ in Millions	Mar. 31, 2026	Mar. 31, 2025
Trade and other payables [abstract]
Trade payables	£ 3,374	£ 2,965
Deferred payables	423	401
Customer contributions	30	32
Social security and other taxes	95	131
Other payables	1,127	943
Trade and other payables	£ 5,049	£ 4,472

The amount of current deferred income other than current contract liabilities. [Refer: Deferred income other than contract liabilities]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The amount of current deposits from customers. [Refer: Deposits from customers]

+ References

+ Details

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- Definition

The amount of current payables on social security and taxes other than incomes tax. [Refer: Payables on social security and taxes other than income tax]

+ References

+ Details

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- Definition

The amount of current payables that the entity does not separately disclose in the same statement or note.

+ References

+ Details

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- Definition

The amount of current trade payables and current other payables. [Refer: Current trade payables; Other current payables]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The current amount of payment due to suppliers for goods and services used in entity's business. [Refer: Current liabilities; Trade payables]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
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- References

No definition available.

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