Goodwill and intangible assets - Disclosure of sensitivity of the value in use to key judgements in the calculations (Details) - Barclays US Consumer Bank - GBP (£) £ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure of information for cash-generating units [line items] | ||
| Carrying value | £ 4,203 | |
| Value in use | 6,879 | |
| Value in use exceeding carrying value | £ 2,676 | £ 353 |
| Discount rate | 16.80% | |
| Sensitivity of key judgements | ||
| 100bps increase in the discount rate | £ (561) | |
| 100bps decrease in terminal growth rate | (361) | |
| 50bps increase to allocated capital rate | (229) | |
| 10% reduction in forecasted cash flows | £ (881) | |
| Discount rate | ||
| Sensitivity of key judgements | ||
| Change required to reduce headroom to zero | 0.066 | |
| Terminal growth rate | ||
| Sensitivity of key judgements | ||
| Change required to reduce headroom to zero | (0.131) | |
| Allocated capital rate | ||
| Sensitivity of key judgements | ||
| Change required to reduce headroom to zero | 0.058 | |
| Cash flows | ||
| Sensitivity of key judgements | ||
| Change required to reduce headroom to zero | (0.304) |