Statement Of Cash Flows [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||||||||||
| Profit (loss) |
–
GBP
|
297,700,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
297,700,000
GBP
|
68,700,000
GBP
|
366,400,000
GBP
|
737,200,000
GBP
|
370,800,000
GBP
|
— |
462,700,000
GBP
|
— |
419,000,000
GBP
|
–
GBP
|
43,700,000
GBP
|
419,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
678,200,000
GBP
|
215,500,000
GBP
|
— |
| Cash flows from (used in) operations | — | — | — | — | — | — | — |
1,011,400,000
GBP
|
— | — | — |
819,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Interest paid, classified as operating activities | — | — | — | — | — | — | — |
87,500,000
GBP
|
— | — | — |
87,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — | — |
801,600,000
GBP
|
— | — | — |
620,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — | — | — | — | — | — |
199,200,000
GBP
|
— | — | — |
16,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — | — | — | — | — |
1,450,500,000
GBP
|
— | — | — |
596,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — | — | — | — | — | — |
30,600,000
GBP
|
— | — | — |
27,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Dividends received, classified as investing activities | — | — | — | — | — | — | — |
1,400,000
GBP
|
— | — | — |
1,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Interest received, classified as investing activities | — | — | — | — | — | — | — |
13,300,000
GBP
|
— | — | — |
47,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — |
1,349,100,000
GBP
|
— | — | — |
683,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||||||||
| Payments from changes in ownership interests in subsidiaries that do not result in loss of control | — | — | — | — | — | — | — |
14,600,000
GBP
|
— | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Proceeds from borrowings, classified as financing activities | — | — | — | — | — | — | — |
2,379,100,000
GBP
|
— | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Payments of lease liabilities, classified as financing activities | — | — | — | — | — | — | — |
26,700,000
GBP
|
— | — | — |
33,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — |
637,400,000
GBP
|
— | — | — |
1,626,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — | — | — | — | — |
89,900,000
GBP
|
— | — | — |
1,689,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — | — | — | — | — |
5,100,000
GBP
|
— | — | — |
47,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — | — | — | — |
484,300,000
GBP
|
— |
389,300,000
GBP
|
— | — | — | — | — | — | — | — | — |
2,125,800,000
GBP
|