Statement Of Cash Flows [Abstract]
| Concept |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) investing activities [abstract] | ||
| Proceeds from disposal of non-current assets or disposal groups classified as held for sale and discontinued operations |
19,300,000
GBP
|
—
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Proceeds from issue of bonds, notes and debentures |
250,000,000
GBP
|
—
GBP
|