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 |
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
|
4, 30 9
GBP
|
—
GBP
|
4 ,30 9
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
14 , 6 6 0
GBP
|
14 , 6 6 0
GBP
|
| Other comprehensive income [abstract] | ||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] | ||||||||||||
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — |
1,9 3 2
GBP
|
— | — | — | — | — | — | — | — |
1 41
GBP
|
— |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||
| Hedges of net investment in foreign operations [abstract] | ||||||||||||
| Other comprehensive income, before tax, hedges of net investments in foreign operations | — |
1 , 6 91
GBP
|
— | — | — | — | — | — | — | — |
5, 192
GBP
|
— |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | — |
423,000
GBP
|
— | — | — | — | — | — | — | — |
35,000
GBP
|
— |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||||||
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — |
6 31
GBP
|
— | — | — | — | — | — | — | — |
1, 23 5
GBP
|
— |
| Other comprehensive income |
—
GBP
|
6 , 39 0
GBP
|
—
GBP
|
1 , 5 0 9
GBP
|
4 , 8 81
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
22 ,115
GBP
|
22, 221
GBP
|
10 6
GBP
|
| Comprehensive income |
—
GBP
|
2 , 0 81
GBP
|
—
GBP
|
2,80 0
GBP
|
4 , 8 8 1
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
22 ,115
GBP
|
7, 5 6 1
GBP
|
14 , 5 5 4
GBP
|