Statement Of Comprehensive Income [Abstract]
| Concept |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||||
| Profit (loss) |
–
GBP
|
–
GBP
|
373,000,000
GBP
|
–
GBP
|
371,800,000
GBP
|
–
GBP
|
373,000,000
GBP
|
1,200,000
GBP
|
–
GBP
|
1,200,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
997,900,000
GBP
|
996,700,000
GBP
|
997,900,000
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||||||
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations |
–
GBP
|
–
GBP
|
6,800,000
GBP
|
–
GBP
|
6,900,000
GBP
|
–
GBP
|
–
GBP
|
100,000
GBP
|
6,800,000
GBP
|
300,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
10,100,000
GBP
|
10,100,000
GBP
|
10,400,000
GBP
|
–
GBP
|
| Cash flow hedges [abstract] | ||||||||||||||||||
| Other comprehensive income, net of tax, cash flow hedges |
25,100,000
GBP
|
–
GBP
|
25,100,000
GBP
|
–
GBP
|
25,100,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
6,600,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
6,600,000
GBP
|
6,600,000
GBP
|
–
GBP
|
| Other comprehensive income | — | — | — | — |
217,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
52,500,000
GBP
|
— |
| Comprehensive income |
18,100,000
GBP
|
–
GBP
|
155,300,000
GBP
|
242,600,000
GBP
|
154,200,000
GBP
|
–
GBP
|
373,000,000
GBP
|
1,100,000
GBP
|
6,800,000
GBP
|
1,500,000
GBP
|
–
GBP
|
6,600,000
GBP
|
48,700,000
GBP
|
–
GBP
|
10,100,000
GBP
|
945,700,000
GBP
|
944,200,000
GBP
|
997,900,000
GBP
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — |
155,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
945,700,000
GBP
|
— |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — |
1,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
1,500,000
GBP
|
— |