Disclosure Of Fair Value Measurement [Text Block]
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2023-01-01 to 2023-12-31 |
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| Disclosure of fair value measurement [text block] |
|
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| Disclosure of fair value measurement of assets [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of assets [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Assets | — |
7,096,200,000
GBP
|
— | — | — | — | — | — | — | — | — |
6,208,800,000
GBP
|
— | — | — | — | — | — | — | — | — |
6,336,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Liabilities | — |
6,103,400,000
GBP
|
— | — | — | — | — | — | — | — | — |
5,321,800,000
GBP
|
— | — | — | — | — | — | — | — | — |
5,053,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity | — |
992,800,000
GBP
|
65,300,000
GBP
|
1,018,900,000
GBP
|
1,000,000
GBP
|
13,100,000
GBP
|
300,000
GBP
|
200,000
GBP
|
991,800,000
GBP
|
7,500,000
GBP
|
113,500,000
GBP
|
887,000,000
GBP
|
134,500,000
GBP
|
1,200,000
GBP
|
13,100,000
GBP
|
922,600,000
GBP
|
300,000
GBP
|
100,000
GBP
|
885,800,000
GBP
|
205,900,000
GBP
|
21,100,000
GBP
|
1,282,900,000
GBP
|
1,243,500,000
GBP
|
3,000,000
GBP
|
–
GBP
|
1,408,500,000
GBP
|
20,500,000
GBP
|
1,282,900,000
GBP
|
3,000,000
GBP
|
20,500,000
GBP
|
13,100,000
GBP
|
–
GBP
|
–
GBP
|
200,000
GBP
|
1,348,800,000
GBP
|
36,700,000
GBP
|
4,500,000
GBP
|
1,406,200,000
GBP
|
300,000
GBP
|
4,300,000
GBP
|
2,300,000
GBP
|
105,300,000
GBP
|
–
GBP
|
125,600,000
GBP
|
–
GBP
|
36,700,000
GBP
|
–
GBP
|
1,280,600,000
GBP
|
13,100,000
GBP
|
2,300,000
GBP
|
125,600,000
GBP
|
300,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Disclosure of significant unobservable inputs used in fair value measurement of assets [text block] |
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