Other operating costs - Schedule of key management personnel (Details) - GBP (£) £ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2024 |
Mar. 31, 2023 |
Mar. 31, 2022 |
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| Analysis of income and expense [abstract] | |||
| Short-term employee benefits | £ 7 | £ 7 | £ 7 |
| Post-employment benefits | 0 | 0 | 1 |
| Share-based payments | 5 | 6 | 5 |
| Total key management compensation | £ 12 | £ 13 | £ 13 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of compensation to key management personnel in the form of post-employment benefits. [Refer: Key management personnel of entity or parent [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of compensation to key management personnel in the form of share-based payments. [Refer: Key management personnel of entity or parent [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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