Statement Of Changes In Equity [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 |
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 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||
| Decrease (increase) through tax on share-based payment transactions, equity |
–
GBP
|
14,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
14,000,000
GBP
|
–
GBP
|
14,000,000
GBP
|
–
GBP
|
22,000,000
GBP
|
22,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
22,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
| Purchase of treasury shares |
–
GBP
|
449,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
449,000,000
GBP
|
–
GBP
|
449,000,000
GBP
|
–
GBP
|
93,000,000
GBP
|
93,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
93,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|