Disclosure Of Effect Of Changes In Foreign Exchange Rates [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 |
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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of effect of changes in foreign exchange rates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reserve of exchange differences on translation |
17,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
40,500,000
GBP
|
— | — | — | — | — | — | — |
| Disclosure of information when currency is not exchangeable into another currency [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of information when foreign operation’s functional currency is not exchangeable into presentation currency [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of summarised financial information about foreign operation [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of summarised financial information about foreign operation [abstract] | ||||||||||||||||||||||
| Disclosure of summarised financial information about foreign operation [line items] | ||||||||||||||||||||||
| Non-current assets |
1,731,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,059,500,000
GBP
|
— | — | — | — | — | — | — |
| Current assets |
1,053,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
803,700,000
GBP
|
— | — | — | — | — | — | — |
| Non-current liabilities |
977,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
471,500,000
GBP
|
— | — | — | — | — | — | — |
| Current liabilities |
637,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
381,700,000
GBP
|
— | — | — | — | — | — | — |
| Revenue | — | — | — |
1,610,600,000
GBP
|
— | — |
–
GBP
|
1,610,600,000
GBP
|
— | — | — | — | — | — | — | — | — |
–
GBP
|
1,344,500,000
GBP
|
— |
1,344,500,000
GBP
|
— |
| Profit (loss) | — |
–
GBP
|
–
GBP
|
225,000,000
GBP
|
224,700,000
GBP
|
300,000
GBP
|
53,100,000
GBP
|
278,100,000
GBP
|
224,700,000
GBP
|
–
GBP
|
–
GBP
|
300,000
GBP
|
–
GBP
|
234,600,000
GBP
|
— |
–
GBP
|
–
GBP
|
15,100,000
GBP
|
250,000,000
GBP
|
–
GBP
|
234,900,000
GBP
|
234,600,000
GBP
|
| Other comprehensive income | — |
–
GBP
|
3,500,000
GBP
|
48,000,000
GBP
|
6,500,000
GBP
|
–
GBP
|
— | — |
48,000,000
GBP
|
–
GBP
|
58,000,000
GBP
|
–
GBP
|
2,800,000
GBP
|
27,800,000
GBP
|
— |
–
GBP
|
6,800,000
GBP
|
— | — |
–
GBP
|
27,800,000
GBP
|
37,400,000
GBP
|
| Comprehensive income | — |
–
GBP
|
3,500,000
GBP
|
273,000,000
GBP
|
218,200,000
GBP
|
300,000
GBP
|
— | — |
272,700,000
GBP
|
–
GBP
|
58,000,000
GBP
|
300,000
GBP
|
2,800,000
GBP
|
262,400,000
GBP
|
— |
–
GBP
|
6,800,000
GBP
|
— | — |
–
GBP
|
262,700,000
GBP
|
272,000,000
GBP
|