Statement Of Comprehensive Income [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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||||
| Profit (loss) |
2,000,000
GBP
|
–
GBP
|
406,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
408,000,000
GBP
|
408,000,000
GBP
|
–
GBP
|
209,000,000
GBP
|
1,000,000
GBP
|
210,000,000
GBP
|
–
GBP
|
210,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||||||
| Other comprehensive income |
–
GBP
|
–
GBP
|
29,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
–
GBP
|
5,000,000
GBP
|
25,000,000
GBP
|
29,000,000
GBP
|
–
GBP
|
60,000,000
GBP
|
4,000,000
GBP
|
26,000,000
GBP
|
–
GBP
|
56,000,000
GBP
|
1,000,000
GBP
|
29,000,000
GBP
|
–
GBP
|
| Comprehensive income |
2,000,000
GBP
|
–
GBP
|
377,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
–
GBP
|
5,000,000
GBP
|
383,000,000
GBP
|
379,000,000
GBP
|
–
GBP
|
149,000,000
GBP
|
5,000,000
GBP
|
184,000,000
GBP
|
–
GBP
|
154,000,000
GBP
|
1,000,000
GBP
|
29,000,000
GBP
|
–
GBP
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — |
379,000,000
GBP
|
— | — | — | — | — | — | — |
154,000,000
GBP
|
— | — | — | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — |
2,000,000
GBP
|
— | — | — | — | — | — | — |
5,000,000
GBP
|
— | — | — | — | — | — | — |