Disclosure Of Interests In Other Entities [Text Block]
| Concept |
As at 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 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of interests in other entities [text block] | — | — | — |
2 Investments
|
— | — | — | — | — | — | — | — |
| Disclosure of interests in subsidiaries [text block] | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of subsidiaries [text block] | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of subsidiaries [abstract] | ||||||||||||
| Disclosure of subsidiaries [line items] | ||||||||||||
| Current assets |
1,413,600,000
GBP
|
— | — | — | — | — |
1,324,200,000
GBP
|
— | — | — | — | — |
| Non-current assets |
380,800,000
GBP
|
— | — | — | — | — |
383,400,000
GBP
|
— | — | — | — | — |
| Current liabilities |
1,191,200,000
GBP
|
— | — | — | — | — |
1,126,900,000
GBP
|
— | — | — | — | — |
| Non-current liabilities |
107,000,000
GBP
|
— | — | — | — | — |
106,500,000
GBP
|
— | — | — | — | — |
| Revenue | — | — | — |
3,612,200,000
GBP
|
— | — | — | — | — | — |
3,212,800,000
GBP
|
— |
| Profit (loss) | — |
–
GBP
|
–
GBP
|
60,900,000
GBP
|
–
GBP
|
60,900,000
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
97,900,000
GBP
|
97,900,000
GBP
|
| Comprehensive income | — |
–
GBP
|
2,100,000
GBP
|
63,000,000
GBP
|
–
GBP
|
60,900,000
GBP
|
— |
–
GBP
|
200,000
GBP
|
–
GBP
|
97,700,000
GBP
|
97,900,000
GBP
|
| Disclosure of interests in associates [text block] | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of associates [text block] | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of associates [abstract] | ||||||||||||
| Disclosure of associates [line items] | ||||||||||||
| Other comprehensive income | — |
–
GBP
|
2,100,000
GBP
|
2,100,000
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
200,000
GBP
|
–
GBP
|
200,000
GBP
|
–
GBP
|
| Disclosure of interests in joint arrangements [text block] | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of joint ventures [text block] | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of joint ventures [abstract] | ||||||||||||
| Disclosure of joint ventures [line items] | ||||||||||||
| Cash and cash equivalents |
431,700,000
GBP
|
— | — | — | — | — |
468,600,000
GBP
|
— | — | — | — | — |
| Tax expense (income) | — | — | — |
24,400,000
GBP
|
— | — | — | — | — | — |
28,300,000
GBP
|
— |