Disclosure Of Entity's Operating Segments [Text Block]
| Concept |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
As at 2022-06-30 |
2021-07-01 to 2022-06-30 |
2020-07-01 to 2021-06-30 |
2020-07-01 to 2021-06-30 |
2020-07-01 to 2021-06-30 |
As at 2021-06-30 |
2020-07-01 to 2021-06-30 |
2020-07-01 to 2021-06-30 |
2019-07-01 to 2020-06-30 |
2019-07-01 to 2020-06-30 |
2019-07-01 to 2020-06-30 |
2019-07-01 to 2020-06-30 |
2019-07-01 to 2020-06-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
22,448,000,000
GBP
|
— | — | — | — | — |
19,153,000,000
GBP
|
— | — | — | — | — |
17,697,000,000
GBP
|
— | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method |
417,000,000
GBP
|
— | — | — | — | — |
334,000,000
GBP
|
— | — | — | — | — |
282,000,000
GBP
|
— | — | — | — |
| Tax expense (income) |
1,049,000,000
GBP
|
— | — | — | — | — |
907,000,000
GBP
|
— | — | — | — | — |
589,000,000
GBP
|
— | — | — | — |
| Profit (loss) before tax |
4,387,000,000
GBP
|
— | — | — | — | — |
3,706,000,000
GBP
|
— | — | — | — | — |
2,043,000,000
GBP
|
— | — | — | — |
| Profit (loss) |
3,338,000,000
GBP
|
3,249,000,000
GBP
|
3,249,000,000
GBP
|
89,000,000
GBP
|
— |
3,249,000,000
GBP
|
2,799,000,000
GBP
|
2,660,000,000
GBP
|
139,000,000
GBP
|
— |
2,660,000,000
GBP
|
2,660,000,000
GBP
|
1,454,000,000
GBP
|
1,409,000,000
GBP
|
1,409,000,000
GBP
|
1,409,000,000
GBP
|
45,000,000
GBP
|
| Assets | — | — | — | — |
36,516,000,000
GBP
|
— | — | — | — |
31,953,000,000
GBP
|
— | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — |
3,652,000,000
GBP
|
— | — | — | — |
3,308,000,000
GBP
|
— | — | — | — | — | — | — |
| Liabilities | — | — | — | — |
27,002,000,000
GBP
|
— | — | — | — |
23,522,000,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) operating activities |
3,935,000,000
GBP
|
— | — | — | — | — |
3,654,000,000
GBP
|
— | — | — | — | — |
2,320,000,000
GBP
|
— | — | — | — |
| Cash flows from (used in) investing activities |
1,341,000,000
GBP
|
— | — | — | — | — |
1,091,000,000
GBP
|
— | — | — | — | — |
805,000,000
GBP
|
— | — | — | — |
| Cash flows from (used in) financing activities |
3,259,000,000
GBP
|
— | — | — | — | — |
2,794,000,000
GBP
|
— | — | — | — | — |
1,037,000,000
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] |