Finance lease receivables - Narrative (Details) - GBP (£) £ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure of maturity analysis of finance lease payments receivable [abstract] | ||
| Hire purchases, net investment in hire purchases, allowance for uncollectible minimum payments | £ 441 | £ 368 |