Statement Of Comprehensive Income [Abstract]
| Concept |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||||||||
| Profit (loss) |
–
GBP
|
265,000,000
GBP
|
266,000,000
GBP
|
1,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
1,000,000
GBP
|
2,000,000
GBP
|
–
GBP
|
1,038,000,000
GBP
|
–
GBP
|
1,303,000,000
GBP
|
264,000,000
GBP
|
–
GBP
|
1,038,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
–
GBP
|
1,039,000,000
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||||||||||
| Other comprehensive income |
–
GBP
|
— | — |
2,000,000
GBP
|
2,000,000
GBP
|
2,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
10,000,000
GBP
|
10,000,000
GBP
|
–
GBP
|
— | — |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
10,000,000
GBP
|
| Comprehensive income |
–
GBP
|
— | — |
3,000,000
GBP
|
2,000,000
GBP
|
1,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
1,000,000
GBP
|
2,000,000
GBP
|
10,000,000
GBP
|
1,028,000,000
GBP
|
–
GBP
|
— | — |
–
GBP
|
1,038,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
–
GBP
|
1,029,000,000
GBP
|