Statement Of Comprehensive Income [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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||
| Profit (loss) |
2,613,000,000
GBP
|
2,747,000,000
GBP
|
–
GBP
|
–
GBP
|
134,000,000
GBP
|
–
GBP
|
2,613,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
2,456,000,000
GBP
|
2,328,000,000
GBP
|
128,000,000
GBP
|
2,328,000,000
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — |
62,000,000
GBP
|
— | — | — | — | — | — | — | — |
241,000,000
GBP
|
— | — | — |
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — |
793,000,000
GBP
|
— | — | — | — | — | — | — | — |
618,000,000
GBP
|
— | — | — |
| Other comprehensive income |
56,000,000
GBP
|
855,000,000
GBP
|
–
GBP
|
774,000,000
GBP
|
25,000,000
GBP
|
–
GBP
|
830,000,000
GBP
|
–
GBP
|
–
GBP
|
608,000,000
GBP
|
859,000,000
GBP
|
844,000,000
GBP
|
15,000,000
GBP
|
236,000,000
GBP
|
| Comprehensive income |
2,557,000,000
GBP
|
1,892,000,000
GBP
|
–
GBP
|
774,000,000
GBP
|
109,000,000
GBP
|
–
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 [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 | — |
109,000,000
GBP
|
— | — | — | — | — | — | — | — |
113,000,000
GBP
|
— | — | — |