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 | — |
1,196,000,000
GBP
|
1 ,133
GBP
|
— | — |
| Cash and cash equivalents if different from statement of financial position | — |
1,210,000,000
GBP
|
1,166,000,000
GBP
|
— |
1,875,000,000
GBP
|
| Income taxes paid (refund) [abstract] | |||||
| Income taxes paid (refund), classified as operating activities |
34,000,000
GBP
|
— | — |
36,000,000
GBP
|
— |