Profit Or Loss [Abstract]
| Concept |
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 |
|---|---|---|---|---|
| Profit or loss [abstract] | ||||
| Profit (loss) [abstract] | ||||
| Revenue | — |
12,039,500,000
GBP
|
10,285,100,000
GBP
|
— |
| Profit (loss) from operating activities | — |
701,600,000
GBP
|
623,300,000
GBP
|
— |
| Finance income | — |
22,300,000
GBP
|
10,700,000
GBP
|
— |
| Finance costs | — |
90,200,000
GBP
|
65 .3
GBP
|
— |
| Profit (loss) before tax | — |
634,600,000
GBP
|
568,700,000
GBP
|
— |
| Tax expense (income) | — |
160,200,000
GBP
|
125,900,000
GBP
|
— |
| Profit (loss) |
474,400,000
GBP
|
474,400,000
GBP
|
442,800,000
GBP
|
442 .8
GBP
|
| Earnings per share [text block] | — | — | — | — |
| Earnings per share [abstract] | ||||
| Earnings per share [line items] | ||||
| Basic earnings per share [abstract] | ||||
| Basic earnings (loss) per share | — |
1.417
|
1.327
|
— |
| Diluted earnings per share [abstract] | ||||
| Diluted earnings (loss) per share | — |
1.407
|
1.318
|
— |