Disclosure Of Employee Benefits [Text Block]
| Concept |
2023-01-01 to 2023-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|
| Disclosure of employee benefits [text block] |
|
— |
| Disclosure of information about defined benefit plans [abstract] | ||
| Disclosure of defined benefit plans [text block] | — | — |
| Disclosure of defined benefit plans [abstract] | ||
| Disclosure of defined benefit plans [line items] | ||
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans [abstract] | ||
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans |
495,000,000
GBP
|
1,542,000,000
GBP
|