Earnings Per Share - Summary of Earnings Per Share (Detail) - GBP (£) £ / shares in Units, £ in Millions, shares in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Earnings per share [abstract] | |||
| Earnings for the year | £ 336 | £ 435 | £ 380 |
| Non-controlling interest | (1) | (1) | (2) |
| Earnings attributable to equity shareholders | £ 335 | £ 434 | £ 378 |
| Weighted average number of shares (millions) | 651.3 | 673.0 | 711.5 |
| Effect of dilutive share options (millions) | 9.0 | 11.0 | 5.8 |
| Weighted average number of shares (millions) for diluted earnings | 660.3 | 684.0 | 717.3 |
| Earnings per share (in pence per share) | |||
| Basic | £ 0.514 | £ 0.645 | £ 0.531 |
| Diluted | £ 0.507 | £ 0.635 | £ 0.527 |
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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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- 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) from continuing and discontinued operations attributable to non-controlling interests. [Refer: Profit (loss); Non-controlling interests] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The profit (loss) from continuing and discontinued operations attributable to owners of the parent. [Refer: Profit (loss)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The profit (loss) from continuing operations. [Refer: Continuing operations, unless line item indicates otherwise [member]; 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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