Earnings per share (EPS) (Details) - GBP (£) £ / shares in Units, £ in Millions, shares in Millions |
6 Months Ended | |
|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Basic earnings per share [abstract] | ||
| Total profit after tax attributable to the parent | £ 1,343 | £ 617 |
| Basic earnings per share (in GBP per share) | £ 0.269 | £ 0.126 |
| Weighted average number of shares - basic (in shares) | 4,995 | 4,926 |
| Diluted earnings per share [abstract] | ||
| Total profit after tax attributable to the parent | £ 1,343 | £ 617 |
| Diluted earnings per share (in GBP per share) | £ 0.268 | £ 0.125 |
| Weighted average number of shares - diluted (in shares) | 5,020 | 4,950 |
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- Definition The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator). 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 profit (loss) attributable to ordinary equity holders of the parent entity (the numerator), divided by the weighted average number of ordinary shares outstanding during the period (the denominator), both adjusted for the effects of all dilutive potential ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition The profit (loss) attributable to ordinary equity holders of the parent entity. [Refer: Profit (loss)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The profit (loss) attributable to ordinary equity holders of the parent entity, adjusted for the effects of all dilutive potential ordinary shares. [Refer: Profit (loss)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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