Disclosure Of Effect Of Changes In Foreign Exchange Rates [Text Block]
| Concept |
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 |
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 |
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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
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 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of effect of changes in foreign exchange rates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Foreign exchange gain (loss) [abstract] | ||||||||||||||||||||||||||
| Foreign exchange gain (loss) | — | — | — | — | — | — | — | — | — | — | — |
11,000,000
GBP
|
— |
5 .2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Reserve of exchange differences on translation | — | — | — | — | — | — |
471,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
666,000,000
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 | — | — | — | — | — | — |
4,367,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
5,353,500,000
GBP
|
— | — | — | — | — |
| Current assets | — | — | — | — | — | — |
546,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
552,800,000
GBP
|
— | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — |
1,987,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
2,373,800,000
GBP
|
— | — | — | — | — |
| Current liabilities | — | — | — | — | — | — |
180,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
323,600,000
GBP
|
— | — | — | — | — |
| Revenue | — | — | — | — | — | — | — | — | — | — | — |
134,800,000
GBP
|
— |
145,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Profit (loss) from continuing operations | — | — | — | — | — | — | — | — | — | — | — |
409,300,000
GBP
|
— |
1,736,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Profit (loss) from discontinued operations | — | — | — | — | — | — | — | — | — | — | — |
19,800,000
GBP
|
— |
1,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Profit (loss) |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
429,100,000
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
429,100,000
GBP
|
429,100,000
GBP
|
1,734,900,000
GBP
|
–
GBP
|
–
GBP
|
1,7 34.8
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
100,000
GBP
|
–
GBP
|
1,734,800,000
GBP
|
–
GBP
|
| Other comprehensive income | — | — | — | — | — | — | — | — | — | — | — |
20,000,000
GBP
|
— |
4 7.7
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
–
GBP
|
–
GBP
|
1,700,000
GBP
|
–
GBP
|
–
GBP
|
449,100,000
GBP
|
— |
–
GBP
|
194,900,000
GBP
|
156,400,000
GBP
|
–
GBP
|
449,100,000
GBP
|
408,900,000
GBP
|
1,687,200,000
GBP
|
–
GBP
|
–
GBP
|
1,748,600,000
GBP
|
4,800,000
GBP
|
–
GBP
|
–
GBP
|
— |
145,100,000
GBP
|
100,000
GBP
|
–
GBP
|
1,687,100,000
GBP
|
88,400,000
GBP
|