Disclosure Of Cash Flow Statement [Text Block]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|
| Disclosure of cash flow statement [text block] | — |
C10. Adjusted Cash Flow and Free Cash Flow
|
— | — | — | — | — |
| Description of accounting policy for determining components of cash and cash equivalents [text block] | — |
Cash and cash equivalents include cash in hand, short-term bank deposits and other short-term highly liquid investments with original maturities
|
— | — | — | — | — |
| Cash and cash equivalents if different from statement of financial position [abstract] | |||||||
| Cash and cash equivalents |
2,170,000,000
GBP
|
— |
668,000,000
GBP
|
— | — | — | — |
| Cash and cash equivalents if different from statement of financial position |
879,000,000
GBP
|
— |
242,000,000
GBP
|
— |
551,000,000
GBP
|
— |
274,000,000
GBP
|
| Income taxes paid (refund) [abstract] | |||||||
| Income taxes paid (refund), classified as operating activities | — |
77,000,000
GBP
|
— |
69,000,000
GBP
|
— |
64,000,000
GBP
|
— |