Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||
| Decrease (increase) through tax on share-based payment transactions, equity |
2,100,000
GBP
|
–
GBP
|
2,100,000
GBP
|
–
GBP
|
2,100,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
6,400,000
GBP
|
6,400,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
6,400,000
GBP
|
–
GBP
|
–
GBP
|
| Increase (decrease) through transactions with owners, equity |
244,700,000
GBP
|
–
GBP
|
245,300,000
GBP
|
600,000
GBP
|
241,700,000
GBP
|
–
GBP
|
3,600,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
607,400,000
GBP
|
607,400,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
607,400,000
GBP
|
–
GBP
|
–
GBP
|