Analysis Of Income And Expense [Abstract]
| 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 |
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 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | |||||||||||||||||
| Revenue [abstract] | |||||||||||||||||
| Revenue | — | — | — | — | — | — |
1 2 , 8 01 .1
GBP
|
— | — | — |
12,002,800,000
GBP
|
— | — | — | — | — |
13 , 2 3 4 .1
GBP
|
| Material income and expense [abstract] | |||||||||||||||||
| Income from continuing operations attributable to owners of parent | — | — | — | — | — | — |
6 3 7. 7
GBP
|
— | — | — |
2 ,9 7 1 . 6
GBP
|
— | — | — | — | — |
8 4 7.9
GBP
|
| Income from discontinued operations attributable to owners of parent | — | — | — | — | — | — |
–
GBP
|
— | — | — |
6,500,000
GBP
|
— | — | — | — | — |
3 .8
GBP
|
| Profit (loss) from continuing operations attributable to non-controlling interests | — | — | — | — | — | — |
83,000,000
GBP
|
— | — | — |
5 3 .9
GBP
|
— | — | — | — | — |
7 9. 2
GBP
|
| Profit (loss) from discontinued operations attributable to non-controlling interests | — | — | — | — | — | — |
–
GBP
|
— | — | — |
9. 9
GBP
|
— | — | — | — | — |
14,600,000
GBP
|
| Selling, general and administrative expense [abstract] | |||||||||||||||||
| General and administrative expense | — | — | — | — | — | — |
9 74 . 6
GBP
|
— | — | — |
4, 293. 0
GBP
|
— | — | — | — | — |
1,1 1 3 .1
GBP
|
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | |||||||||||||||||
| Share of profit (loss) of associates accounted for using equity method | — | — | — | — | — | — |
23,800,000
GBP
|
— | — | — |
13 6.0
GBP
|
— | — | — | — | — |
14. 7
GBP
|
| Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax [abstract] | |||||||||||||||||
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax |
−
GBP
|
−
GBP
|
−
GBP
|
7. 3
GBP
|
−
GBP
|
13 .5
GBP
|
13. 5
GBP
|
6. 2
GBP
|
−
GBP
|
−
GBP
|
61 . 5
GBP
|
−
GBP
|
−
GBP
|
61 . 5
GBP
|
61 . 5
GBP
|
−
GBP
|
–
GBP
|
| Comprehensive income, continuing and discontinued operations [abstract] | |||||||||||||||||
| Comprehensive income |
72 .7
GBP
|
−
GBP
|
−
GBP
|
7 9. 9
GBP
|
−
GBP
|
5 3 9. 8
GBP
|
612 . 5
GBP
|
6 1 9. 7
GBP
|
3,083,400,000
GBP
|
−
GBP
|
3,0 16.6
GBP
|
5 9.9
GBP
|
−
GBP
|
3,076,500,000
GBP
|
6 .9
GBP
|
–
GBP
|
1 42 .8
GBP
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | |||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — |
5 3 9. 8
GBP
|
— | — | — |
3,076,500,000
GBP
|
— | — | — | — | — |
2 1 8 . 6
GBP
|
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | |||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — |
72 .7
GBP
|
— | — | — |
59. 9
GBP
|
— | — | — | — | — |
75,800,000
GBP
|