Analysis Of Income And Expense [Abstract]
| Concept |
2023-10-01 to 2024-09-30 |
2023-10-01 to 2024-09-30 |
2023-10-01 to 2024-09-30 |
2023-10-01 to 2024-09-30 |
2023-10-01 to 2024-09-30 |
2023-10-01 to 2024-09-30 |
2023-10-01 to 2024-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||
| Revenue [abstract] | ||||||||||||||
| Revenue | — |
32,411,000,000
GBP
|
— | — | — | — | — | — | — | — |
32,475,000,000
GBP
|
— | — | — |
| Material income and expense [abstract] | ||||||||||||||
| Investment income | — |
560,000,000
GBP
|
— | — | — | — | — | — | — | — |
772,000,000
GBP
|
— | — | — |
| Finance income (cost) | — |
534,000,000
GBP
|
— | — | — | — | — | — | — | — |
298,000,000
GBP
|
— | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — |
9,000,000
GBP
|
— | — | — | — | — | — | — | — |
7,000,000
GBP
|
— | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income |
2,557,000,000
GBP
|
1,892,000,000
GBP
|
–
GBP
|
–
GBP
|
109,000,000
GBP
|
774,000,000
GBP
|
1,783,000,000
GBP
|
–
GBP
|
–
GBP
|
608,000,000
GBP
|
1,597,000,000
GBP
|
1,484,000,000
GBP
|
113,000,000
GBP
|
2,092,000,000
GBP
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — |
1,783,000,000
GBP
|
— | — | — | — | — | — | — | — |
1,484,000,000
GBP
|
— | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — |
109,000,000
GBP
|
— | — | — | — | — | — | — | — |
113,000,000
GBP
|
— | — | — |