Profit Or Loss [Abstract]
| Concept |
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 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | |||||||||
| Profit (loss) [abstract] | |||||||||
| Impairment loss (reversal of impairment loss) recognised in profit or loss |
71,000,000
GBP
|
— | — |
205,000,000
GBP
|
— | — | — |
320,000,000
GBP
|
— |
| Profit (loss) before tax |
1,349,000,000
GBP
|
— | — |
2,100,000,000
GBP
|
— | — | — |
1,874,000,000
GBP
|
— |
| Tax expense (income) |
378,000,000
GBP
|
— | — |
559,000,000
GBP
|
— | — | — |
480,000,000
GBP
|
— |
| Profit (loss) |
971,000,000
GBP
|
971,000,000
GBP
|
971,000,000
GBP
|
1,541,000,000
GBP
|
1,541,000,000
GBP
|
1,541,000,000
GBP
|
1,394,000,000
GBP
|
1,394,000,000
GBP
|
1,394,000,000
GBP
|
| Profit (loss), attributable to [abstract] | |||||||||
| Profit (loss), attributable to owners of parent |
971,000,000
GBP
|
— | — |
1,541,000,000
GBP
|
— | — | — |
1,394,000,000
GBP
|
— |