Disclosure Of Interests In Other Entities [Text Block]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of interests in other entities [text block] | — |
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of interests in subsidiaries [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of composition of group [text block] | — |
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of subsidiaries [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of subsidiaries [abstract] | ||||||||||||||||||||
| Disclosure of subsidiaries [line items] | ||||||||||||||||||||
| Profit (loss), attributable to non-controlling interests | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — |
1,000,000
GBP
|
— | — | — | — | — | — | — |
| Profit (loss) |
11,000,000
GBP
|
12,000,000
GBP
|
–
GBP
|
— |
–
GBP
|
1,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
546,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
11,000,000
GBP
|
558,000,000
GBP
|
–
GBP
|
558,000,000
GBP
|
–
GBP
|
| Comprehensive income |
11,000,000
GBP
|
203,000,000
GBP
|
–
GBP
|
— |
–
GBP
|
214,000,000
GBP
|
45,000,000
GBP
|
169,000,000
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
1,355,000,000
GBP
|
41,000,000
GBP
|
1,000,000
GBP
|
11,000,000
GBP
|
1,408,000,000
GBP
|
–
GBP
|
1,367,000,000
GBP
|
–
GBP
|
| Disclosure of information about consolidated structured entities [text block] | — |
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of interests in associates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of associates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of associates [abstract] | ||||||||||||||||||||
| Disclosure of associates [line items] | ||||||||||||||||||||
| Other comprehensive income |
–
GBP
|
215,000,000
GBP
|
–
GBP
|
— |
–
GBP
|
215,000,000
GBP
|
45,000,000
GBP
|
170,000,000
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
809,000,000
GBP
|
41,000,000
GBP
|
–
GBP
|
–
GBP
|
850,000,000
GBP
|
–
GBP
|
809,000,000
GBP
|
–
GBP
|
| Investments accounted for using equity method | — | — | — |
229,000,000
GBP
|
— | — | — | — | — | — |
232,000,000
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 | — | — | — |
1,196,000,000
GBP
|
— | — | — | — | — | — |
1 ,133
GBP
|
— | — | — | — | — | — | — | — | — |
| Tax expense (income) | — |
18,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
66,000,000
GBP
|
— | — | — | — | — | — | — |
| Disclosure of reconciliation of summarised financial information of joint venture accounted for using equity method to carrying amount of interest in joint venture [text block] | — |
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |