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
|
4,000,000
GBP
|
–
GBP
|
4,000,000
GBP
|
–
GBP
|
–
GBP
|
4,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through transactions with owners, equity |
29,000,000
GBP
|
2,213,000,000
GBP
|
197,000,000
GBP
|
2, 985
GBP
|
4,000,000
GBP
|
20,000,000
GBP
|
2,233,000,000
GBP
|
22,000,000
GBP
|
20,000,000
GBP
|
9 46
GBP
|
2, 186
GBP
|
–
GBP
|
2, 167
GBP
|
19,000,000
GBP
|
2, 906
GBP
|
3,000,000
GBP
|
1 67
GBP
|
22,000,000
GBP
|
94 6
GBP
|
29,000,000
GBP
|