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) |
14,000,000
GBP
|
— |
435,000,000
GBP
|
— | — | — | — |
421,000,000
GBP
|
421,000,000
GBP
|
— | — |
283,000,000
GBP
|
13,000,000
GBP
|
— |
270,000,000
GBP
|
— |
270,000,000
GBP
|
— |
| Other comprehensive income [abstract] | ||||||||||||||||||
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — | — |
47,000,000
GBP
|
— | — | — | — | — | — | — | — |
21,000,000
GBP
|
— | — | — | — | — | — |
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — | — |
242,000,000
GBP
|
— | — | — | — | — | — | — | — |
132,000,000
GBP
|
— | — | — | — | — | — |
| Other comprehensive income |
1,000,000
GBP
|
— |
289,000,000
GBP
|
— | — | — |
241,000,000
GBP
|
47,000,000
GBP
|
288,000,000
GBP
|
— | — |
153,000,000
GBP
|
3,000,000
GBP
|
— |
20,000,000
GBP
|
— |
150,000,000
GBP
|
130,000,000
GBP
|
| Comprehensive income |
13,000,000
GBP
|
—
GBP
|
146,000,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
241,000,000
GBP
|
374,000,000
GBP
|
133,000,000
GBP
|
—
GBP
|
—
GBP
|
130,000,000
GBP
|
10,000,000
GBP
|
—
GBP
|
250,000,000
GBP
|
—
GBP
|
120,000,000
GBP
|
130,000,000
GBP
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — |
133,000,000
GBP
|
— | — | — | — | — | — | — | — |
120,000,000
GBP
|
— | — | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — |
13,000,000
GBP
|
— | — | — | — | — | — | — | — |
10,000,000
GBP
|
— | — | — | — | — | — |