Disclosure Of Interests In Other Entities [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 |
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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of interests in other entities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of interests in subsidiaries [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of subsidiaries [text block] | — | — |
Subsidiaries and other associated undertakings at 31 December 2022
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of subsidiaries [abstract] | ||||||||||||||||||||||||
| Disclosure of subsidiaries [line items] | ||||||||||||||||||||||||
| Profit (loss), attributable to non-controlling interests | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
–
GBP
|
— |
–
GBP
|
— | — | — | — | — | — |
| Non-controlling interests |
1,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
1,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Current assets |
3,239,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
1,344,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Non-current assets |
8,683,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
2,980,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities |
2,845,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
1,390,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
4,979,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
1,670,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Profit (loss) | — | — |
232,000,000
GBP
|
232,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
263,000,000
GBP
|
263,000,000
GBP
|
186,000,000
GBP
|
186,000,000
GBP
|
— | — | — | — | — |
| Comprehensive income | — |
308,000,000
GBP
|
63,000,000
GBP
|
245,000,000
GBP
|
6,000,000
GBP
|
2,000,000
GBP
|
— |
300,000,000
GBP
|
13,000,000
GBP
|
10,000,000
GBP
|
— |
1,000,000
GBP
|
1,000,000
GBP
|
— |
3,000,000
GBP
|
275,000,000
GBP
|
276,000,000
GBP
|
119,000,000
GBP
|
177,000,000
GBP
|
1,000,000
GBP
|
— |
5,000,000
GBP
|
58,000,000
GBP
|
52,000,000
GBP
|
| Disclosure of interests in associates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of associates [text block] | — | — |
B6. Investments in associated undertakings
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of associates [abstract] | ||||||||||||||||||||||||
| Disclosure of associates [line items] | ||||||||||||||||||||||||
| Other comprehensive income | — | — |
295,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
12,000,000
GBP
|
— |
67,000,000
GBP
|
— | — | — | — | — | — |
| Disclosure of interests in joint arrangements [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of joint ventures [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of joint ventures [abstract] | ||||||||||||||||||||||||
| Disclosure of joint ventures [line items] | ||||||||||||||||||||||||
| Cash and cash equivalents |
2,170,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
668,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Tax expense (income) | — | — |
64,000,000
GBP
|
— | — | — |
58,000,000
GBP
|
— | — | — |
50,000,000
GBP
|
— | — | — | — |
62,000,000
GBP
|
— |
44,000,000
GBP
|
— | — |
40,000,000
GBP
|
— | — | — |