Statement Of Cash Flows [Abstract]
| Concept |
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 |
As at 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 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
As at 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
As at 2021-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||||||||||||
| Profit (loss) |
–
GBP
|
1,038,000,000
GBP
|
–
GBP
|
1,303,000,000
GBP
|
264,000,000
GBP
|
— |
–
GBP
|
–
GBP
|
1,000,000
GBP
|
1,038,000,000
GBP
|
–
GBP
|
1,039,000,000
GBP
|
963,000,000
GBP
|
–
GBP
|
2,000,000
GBP
|
963,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
965,000,000
GBP
|
— |
253,000,000
GBP
|
71 2
GBP
|
–
GBP
|
— |
| Cash flows from (used in) operations | — | — | — | — | — | — | — | — | — | — | — |
238,000,000
GBP
|
— | — | — | — | — | — | — |
256,000,000
GBP
|
— | — | — | — | — |
| Interest paid, classified as operating activities | — | — | — | — | — | — | — | — | — | — | — |
71,000,000
GBP
|
— | — | — | — | — | — | — |
62,000,000
GBP
|
— | — | — | — | — |
| Income taxes paid (refund), classified as operating activities | — | — | — | — | — | — | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — |
6,000,000
GBP
|
— | — | — | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — | — | — | — | — | — |
240,000,000
GBP
|
— | — | — | — | — | — | — |
245,000,000
GBP
|
— | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||||||||||
| Cash advances and loans made to other parties, classified as investing activities | — | — | — | — | — | — | — | — | — | — | — |
148,000,000
GBP
|
— | — | — | — | — | — | — |
121,000,000
GBP
|
— | — | — | — | — |
| Income taxes paid (refund), classified as investing activities | — | — | — | — | — | — | — | — | — | — | — |
4,000,000
GBP
|
— | — | — | — | — | — | — |
5,000,000
GBP
|
— | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — | — | — | — | — |
326,000,000
GBP
|
— | — | — | — | — | — | — |
385,000,000
GBP
|
— | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||||||||||
| Proceeds from borrowings, classified as financing activities | — | — | — | — | — | — | — | — | — | — | — |
324,000,000
GBP
|
— | — | — | — | — | — | — |
483,000,000
GBP
|
— | — | — | — | — |
| Repayments of borrowings, classified as financing activities | — | — | — | — | — | — | — | — | — | — | — |
637,000,000
GBP
|
— | — | — | — | — | — | — |
213,000,000
GBP
|
— | — | — | — | — |
| Payments of lease liabilities, classified as financing activities | — | — | — | — | — | — | — | — | — | — | — |
4,000,000
GBP
|
— | — | — | — | — | — | — |
4,000,000
GBP
|
— | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — | — | — | — | — |
552,000,000
GBP
|
— | — | — | — | — | — | — |
60,000,000
GBP
|
— | — | — | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — | — | — | — | — | — | — | — | — | — |
14,000,000
GBP
|
— | — | — | — | — | — | — |
8 0
GBP
|
— | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — |
125,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
111,000,000
GBP
|
— | — | — |
191,000,000
GBP
|