Disclosure Of Entity's Operating Segments [Text Block]
| Concept |
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 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
As at 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of entity's operating segments [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of operating segments [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of operating segments [abstract] | ||||||||||||||
| Disclosure of operating segments [line items] | ||||||||||||||
| Revenue | — | — | — | — | — |
16,025,000,000
GBP
|
— | — | — | — | — | — | — |
15,435,000,000
GBP
|
| Tax expense (income) | — | — | — | — | — |
79,000,000
GBP
|
— | — | — | — | — | — | — |
3 0
GBP
|
| Profit (loss) from continuing operations | — | — | — | — | — |
116,000,000
GBP
|
— | — | — | — | — | — | — |
194,000,000
GBP
|
| Profit (loss) |
–
GBP
|
–
GBP
|
101,000,000
GBP
|
–
GBP
|
–
GBP
|
101,000,000
GBP
|
— |
–
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
205,000,000
GBP
|
205,000,000
GBP
|
| Assets | — | — | — | — | — | — |
6,666,000,000
GBP
|
— | — |
7,744,000,000
GBP
|
— | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — | — |
2,000,000
GBP
|
— | — |
2,000,000
GBP
|
— | — | — | — |
| Liabilities | — | — | — | — | — | — |
4,225,000,000
GBP
|
— | — |
5,059,000,000
GBP
|
— | — | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — |
605,000,000
GBP
|
— | — | — | — | — | — | — |
769,000,000
GBP
|
| Cash flows from (used in) investing activities | — | — | — | — | — |
260,000,000
GBP
|
— | — | — | — | — | — | — |
291,000,000
GBP
|
| Cash flows from (used in) financing activities | — | — | — | — | — |
550,000,000
GBP
|
— | — | — | — | — | — | — |
202,000,000
GBP
|
| Disclosure of products and services [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of products and services [abstract] | ||||||||||||||
| Disclosure of products and services [line items] | ||||||||||||||
| Disclosure of geographical areas [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of geographical areas [abstract] | ||||||||||||||
| Disclosure of geographical areas [line items] | ||||||||||||||
| Disclosure of major customers [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of major customers [abstract] | ||||||||||||||
| Disclosure of major customers [line items] |