Earnings per share (Details) - GBP (£) £ / shares in Units, £ in Millions, shares in Millions |
6 Months Ended | ||
|---|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
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| Earnings per share [abstract] | |||
| Profit attributable to ordinary shareholders | £ 2,836 | £ 1,922 | £ 2,274 |
| Weighted-average number of ordinary shares in issue – basic (in shares) | 58,504 | 59,272 | 60,320 |
| Adjustment for share options and awards (in shares) | 730 | 717 | 739 |
| Weighted-average number of ordinary shares in issue – diluted (in shares) | 59,234 | 59,989 | 61,059 |
| Basic earnings per share (in GBP per share) | £ 0.048 | £ 0.032 | £ 0.038 |
| Diluted earnings per share (in GBP per share) | £ 0.048 | £ 0.032 | £ 0.037 |
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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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- 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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- Definition The potential dilutive effect on the weighted average number of ordinary shares that relate to the assumed exercise of the entity's share options. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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 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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