Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2024-09-30 |
As at 2024-09-30 |
As at 2024-09-30 |
As at 2024-09-30 |
As at 2024-09-30 |
As at 2024-09-30 |
As at 2024-09-30 |
2023-10-01 to 2024-09-30 |
As at 2023-09-30 |
As at 2023-09-30 |
As at 2023-09-30 |
As at 2023-09-30 |
As at 2023-09-30 |
As at 2023-09-30 |
As at 2023-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of fair value measurement [text block] | — | — | — | — | — | — | — |
Fair value estimation and hierarchy
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 |
27,826,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
29,491,000,000
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 |
21,797,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
22,849,000,000
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 |
6,029,000,000
GBP
|
5,849,000,000
GBP
|
91,000,000
GBP
|
5,442,000,000
GBP
|
19,000,000
GBP
|
587,000,000
GBP
|
479,000,000
GBP
|
— |
5,843,000,000
GBP
|
755,000,000
GBP
|
674,000,000
GBP
|
621,000,000
GBP
|
6,021,000,000
GBP
|
97,000,000
GBP
|
6,642,000,000
GBP
|
5,837,000,000
GBP
|
7,473,000,000
GBP
|
6,860,000,000
GBP
|
443,000,000
GBP
|
613,000,000
GBP
|
1,363,000,000
GBP
|
103,000,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |