Dividends - Schedule of dividends (Details) - GBP (£) £ / shares in Units, £ in Millions |
12 Months Ended | |
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Mar. 31, 2025 |
Mar. 31, 2024 |
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| Final dividend | ||
| Summary Of Dividends [Line Items] | ||
| Cash dividend paid (in GBP per share) | £ 0.3088 | £ 0.3912 |
| Cash dividend paid | £ 894 | £ 811 |
| Scrip dividend | £ 617 | £ 643 |
| Interim dividend | ||
| Summary Of Dividends [Line Items] | ||
| Cash dividend paid (in GBP per share) | £ 0.1584 | |
| Cash dividend paid | £ 718 | |
| Scrip dividend | £ 59 | |
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- Definition The amount of dividends paid by the entity on ordinary shares. [Refer: Ordinary shares [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of dividends paid per ordinary share. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Scrip Dividend-Related Share Issue Recognized, Ordinary Shares No definition available.
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- Definition [Line Items] for Summary Of Dividends [Table] No definition available.
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