Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2024-03-30 |
As at 2024-03-30 |
As at 2024-03-30 |
As at 2024-03-30 |
As at 2024-03-30 |
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As at 2023-04-01 |
As at 2023-04-01 |
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As at 2023-04-01 |
As at 2023-04-01 |
As at 2023-04-01 |
As at 2023-04-01 |
As at 2022-04-02 |
As at 2022-04-02 |
As at 2022-04-02 |
As at 2022-04-02 |
As at 2022-04-02 |
As at 2022-04-02 |
As at 2022-04-02 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of fair value measurement [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — |
3,370,000,000
GBP
|
— |
3,686,000,000
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 | — | — | — | — | — | — |
2,216,000,000
GBP
|
— |
2,147,000,000
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 |
–
GBP
|
23 1
GBP
|
241,000,000
GBP
|
1,147,000,000
GBP
|
7,000,000
GBP
|
675,000,000
GBP
|
1,154,000,000
GBP
|
–
GBP
|
1,539,000,000
GBP
|
1,026,000,000
GBP
|
230,000,000
GBP
|
277,000,000
GBP
|
1,533,000,000
GBP
|
6,000,000
GBP
|
1,123,000,000
GBP
|
227,000,000
GBP
|
–
GBP
|
1,617,000,000
GBP
|
263,000,000
GBP
|
1,613,000,000
GBP
|
4,000,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |