Disclosure Of Cash Flow Statement [Text Block]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|
| Disclosure of cash flow statement [text block] | — | — | — |
| Cash and cash equivalents if different from statement of financial position [abstract] | |||
| Cash and cash equivalents |
1,290,900,000
GBP
|
379,100,000
GBP
|
229,800,000
GBP
|