Analysis Of Income And Expense [Abstract]
| Concept |
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 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||
| Revenue [abstract] | ||||||||||||||
| Interest income | — | — | — |
1,010,600,000
GBP
|
— | — | — |
545,700,000
GBP
|
— | — | — | — | — | — |
| Material income and expense [abstract] | ||||||||||||||
| Interest expense | — | — | — |
561,700,000
GBP
|
— | — | — |
174,500,000
GBP
|
— | — | — | — | — | — |
| Interest income (expense) | — | — | — |
448,900,000
GBP
|
— | — | — |
371,200,000
GBP
|
— | — | — | — | — | — |
| Other operating income (expense) | — | — | — |
466,000,000
GBP
|
— | — | — |
393,000,000
GBP
|
— | — | — | — | — | — |
| Operating expense | — | — | — |
170,400,000
GBP
|
— | — | — |
153,000,000
GBP
|
— | — | — | — | — | — |
| Gains (losses) on change in fair value of derivatives [abstract] | ||||||||||||||
| Gains (losses) on change in fair value of derivatives | — | — | — |
77,700,000
GBP
|
— | — | — |
191,900,000
GBP
|
— | — | — | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income |
-
GBP
|
-
GBP
|
-
GBP
|
155,500,000
GBP
|
155,500,000
GBP
|
-
GBP
|
-
GBP
|
325,200,000
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
325,200,000
GBP
|