Disclosure Of Interests In Other Entities [Text Block]
| Concept |
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 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of interests in other entities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of interests in subsidiaries [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of subsidiaries [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of subsidiaries [abstract] | |||||||||||||
| Disclosure of subsidiaries [line items] | |||||||||||||
| Current assets |
108,200,000
GBP
|
— | — | — | — | — | — |
82,900,000
GBP
|
— | — | — | — | — |
| Non-current assets |
5,485,700,000
GBP
|
— | — | — | — | — | — |
4,323,600,000
GBP
|
— | — | — | — | — |
| Current liabilities |
128,800,000
GBP
|
— | — | — | — | — | — |
107,300,000
GBP
|
— | — | — | — | — |
| Non-current liabilities |
1,388,600,000
GBP
|
— | — | — | — | — | — |
1,377,900,000
GBP
|
— | — | — | — | — |
| Profit (loss) | — | — | — | — |
972,600,000
GBP
|
— | — | — | — |
449,400,000
GBP
|
— | — | — |
| Comprehensive income | — |
–
GBP
|
–
GBP
|
–
GBP
|
972,600,000
GBP
|
972,600,000
GBP
|
449,400,000
GBP
|
— |
–
GBP
|
449,400,000
GBP
|
–
GBP
|
–
GBP
|
— |
| Disclosure of interests in associates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of associates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of associates [abstract] | |||||||||||||
| Disclosure of associates [line items] | |||||||||||||
| 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 |
70,900,000
GBP
|
— | — | — | — | — | — |
57,600,000
GBP
|
— | — | — | — |
21,200,000
GBP
|
| Tax expense (income) | — | — | — | — |
1,500,000
GBP
|
— | — | — | — |
100,000
GBP
|
— | — | — |