Disclosure Of Impairment Of Assets [Text Block]
| Concept |
2023-01-01 to 2023-12-31 |
2023-10-01 to 2023-12-31 |
2023-01-01 to 2023-03-31 |
2023-01-01 to 2023-03-31 |
2022-01-01 to 2022-12-31 |
2022-07-01 to 2022-09-30 |
|---|---|---|---|---|---|---|
| Disclosure of impairment of assets [text block] | — | — | — | — | — | — |
| Disclosure of impairment loss and reversal of impairment loss [text block] | — | — | — | — | — | — |
| Disclosure of impairment loss and reversal of impairment loss [abstract] | ||||||
| Disclosure of impairment loss and reversal of impairment loss [line items] | ||||||
| Impairment loss recognised in profit or loss |
200,000,000
GBP
|
1,500,000,000
GBP
|
— | — |
200,000,000
GBP
|
1,700,000,000
GBP
|
| Reversal of impairment loss recognised in profit or loss | — | — |
200,000,000
GBP
|
1,700,000,000
GBP
|
— | — |