Analysis Of Income And Expense [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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||
| Revenue | — |
3,488,000,000
GBP
|
— | — | — | — | — | — | — | — |
3,624,000,000
GBP
|
— | — | — | — | — | — | — |
| Material income and expense [abstract] | ||||||||||||||||||
| Finance income (cost) | — |
–
GBP
|
— | — | — | — | — | — | — | — |
4 5
GBP
|
— | — | — | — | — | — | — |
| Operating expense | — |
3,170,000,000
GBP
|
— | — | — | — | — | — | — | — |
3, 386
GBP
|
— | — | — | — | — | — | — |
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations |
–
GBP
|
4,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
4,000,000
GBP
|
–
GBP
|
4,000,000
GBP
|
–
GBP
|
42,000,000
GBP
|
4,000,000
GBP
|
–
GBP
|
–
GBP
|
38,000,000
GBP
|
–
GBP
|
38,000,000
GBP
|
–
GBP
|
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — |
9,000,000
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — |
| Income tax relating to components of other comprehensive income [abstract] | ||||||||||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | — |
6,000,000
GBP
|
— | — | — | — | — | — | — | — |
9,000,000
GBP
|
— | — | — | — | — | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — |
1,000,000
GBP
|
— | — | — | — | — | — | — | — |
3,000,000
GBP
|
— | — | — | — | — | — | — |
| Income tax relating to components of other comprehensive income |
–
GBP
|
5,000,000
GBP
|
–
GBP
|
–
GBP
|
1,000,000
GBP
|
–
GBP
|
2,000,000
GBP
|
6,000,000
GBP
|
5,000,000
GBP
|
–
GBP
|
6,000,000
GBP
|
–
GBP
|
9,000,000
GBP
|
–
GBP
|
6,000,000
GBP
|
–
GBP
|
3,000,000
GBP
|
–
GBP
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income |
2,000,000
GBP
|
377,000,000
GBP
|
–
GBP
|
–
GBP
|
5,000,000
GBP
|
–
GBP
|
1,000,000
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 owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — |
379,000,000
GBP
|
— | — | — | — | — | — | — | — |
154,000,000
GBP
|
— | — | — | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — |
2,000,000
GBP
|
— | — | — | — | — | — | — | — |
5,000,000
GBP
|
— | — | — | — | — | — | — |