Disclosure Of Cash Flow Statement [Text Block]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|
| Disclosure of cash flow statement [text block] |
|
— | — | — | — |
| Description of accounting policy for determining components of cash and cash equivalents [text block] |
|
— | — | — | — |
| Cash and cash equivalents if different from statement of financial position [abstract] | |||||
| Cash and cash equivalents | — |
1,859,000,000
GBP
|
1,782,000,000
GBP
|
— |
2,064,000,000
GBP
|
| Income taxes paid (refund) [abstract] | |||||
| Income taxes paid (refund), classified as operating activities |
26,000,000
GBP
|
— | — |
22,000,000
GBP
|
— |