Disposals and other non-operating items - Additional information (Details) - GBP (£) £ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disposals and other non-operating items | |||
| Impairment loss on goodwill related to assets held for sale | £ 0 | £ 36 | £ 42 |