Contract liabilities - Summary of contract liabilities (Details) - GBP (£) £ in Millions |
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Contract liabilities [abstract] | |||
| Current | £ 110 | £ 96 | |
| Non-current | 2,699 | 2,418 | |
| Total contract liabilities | £ 2,809 | £ 2,514 | £ 2,246 |
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- Definition The amount of an entity’s obligation to transfer goods or services to a customer for which the entity has received consideration (or the amount is due) from the customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition The amount of current contract liabilities. [Refer: Contract liabilities] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of non-current contract liabilities. [Refer: Contract liabilities] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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