Disclosure Of Effect Of Changes In Foreign Exchange Rates [Text Block]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of effect of changes in foreign exchange rates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of information when currency is not exchangeable into another currency [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of information when foreign operation’s functional currency is not exchangeable into presentation currency [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of summarised financial information about foreign operation [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of summarised financial information about foreign operation [abstract] | ||||||||||||||||||||||||||
| Disclosure of summarised financial information about foreign operation [line items] | ||||||||||||||||||||||||||
| Non-current assets |
2,3 39
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,325,000,000
GBP
|
— | — | — | — |
| Current assets |
3,5 24
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
3 , 125
GBP
|
— | — | — | — |
| Non-current liabilities |
1 ,214
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 ,230
GBP
|
— | — | — | — |
| Current liabilities |
2, 488
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,242,000,000
GBP
|
— | — | — | — |
| Revenue | — | — | — | — | — |
2, 115
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,8 65
GBP
|
— |
| Profit (loss) | — |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
106,000,000
GBP
|
–
GBP
|
103,000,000
GBP
|
3,000,000
GBP
|
–
GBP
|
–
GBP
|
103,000,000
GBP
|
–
GBP
|
3,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
5,000,000
GBP
|
— |
–
GBP
|
–
GBP
|
8,000,000
GBP
|
5,000,000
GBP
|
| Other comprehensive income | — |
–
GBP
|
–
GBP
|
147,000,000
GBP
|
–
GBP
|
148,000,000
GBP
|
–
GBP
|
–
GBP
|
1,000,000
GBP
|
–
GBP
|
–
GBP
|
147,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
3,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
7,000,000
GBP
|
— |
–
GBP
|
–
GBP
|
7,000,000
GBP
|
3,000,000
GBP
|
| Comprehensive income | — |
–
GBP
|
–
GBP
|
147,000,000
GBP
|
–
GBP
|
254,000,000
GBP
|
–
GBP
|
103,000,000
GBP
|
4,000,000
GBP
|
–
GBP
|
–
GBP
|
250,000,000
GBP
|
–
GBP
|
3,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
3,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
12,000,000
GBP
|
— |
–
GBP
|
–
GBP
|
15,000,000
GBP
|
8,000,000
GBP
|