Statement Of Changes In Equity [Abstract]
| Concept |
2022-07-01 to 2023-06-30 |
As at 2023-06-30 |
As at 2023-06-30 |
As at 2023-06-30 |
As at 2023-06-30 |
2022-07-01 to 2023-06-30 |
As at 2023-06-30 |
2022-07-01 to 2023-06-30 |
As at 2023-06-30 |
As at 2023-06-30 |
As at 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
As at 2023-06-30 |
2022-07-01 to 2023-06-30 |
As at 2023-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
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 |
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 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2021-06-30 |
2020-07-01 to 2021-06-30 |
As at 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 |
As at 2021-06-30 |
2020-07-01 to 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
2020-07-01 to 2021-06-30 |
2020-07-01 to 2021-06-30 |
As at 2020-06-30 |
As at 2020-06-30 |
As at 2020-06-30 |
As at 2020-06-30 |
As at 2020-06-30 |
As at 2020-06-30 |
As at 2020-06-30 |
As at 2020-06-30 |
As at 2020-06-30 |
As at 2020-06-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity | — |
3,898,000,000
GBP
|
1,470,000,000
GBP
|
7,822,000,000
GBP
|
3,231,000,000
GBP
|
— |
1,814,000,000
GBP
|
— |
1,351,000,000
GBP
|
1,370,000,000
GBP
|
5,712,000,000
GBP
|
— | — | — |
9,292,000,000
GBP
|
— |
712,000,000
GBP
|
3,550,000,000
GBP
|
1,351,000,000
GBP
|
1,716,000,000
GBP
|
3,220,000,000
GBP
|
7,798,000,000
GBP
|
1,046,000,000
GBP
|
5,388,000,000
GBP
|
— | — | — | — | — | — |
9,514,000,000
GBP
|
— |
1,838,000,000
GBP
|
723,000,000
GBP
|
8,431,000,000
GBP
|
— |
8,682,000,000
GBP
|
— |
3,202,000,000
GBP
|
— | — |
1,351,000,000
GBP
|
— |
741,000,000
GBP
|
1,534,000,000
GBP
|
3,184,000,000
GBP
|
1,877,000,000
GBP
|
1,581,000,000
GBP
|
3,435,000,000
GBP
|
5,312,000,000
GBP
|
741,000,000
GBP
|
251,000,000
GBP
|
6,897,000,000
GBP
|
1,351,000,000
GBP
|
3,202,000,000
GBP
|
1,581,000,000
GBP
|
5,061,000,000
GBP
|
1,877,000,000
GBP
|
7,148,000,000
GBP
|
1,534,000,000
GBP
|
251,000,000
GBP
|
251,000,000
GBP
|
251,000,000
GBP
|
— | — |
1,668,000,000
GBP
|
1,351,000,000
GBP
|
2,407,000,000
GBP
|
6,772,000,000
GBP
|
1,936,000,000
GBP
|
742,000,000
GBP
|
4,343,000,000
GBP
|
8,440,000,000
GBP
|
929,000,000
GBP
|
3,201,000,000
GBP
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
3,734,000,000
GBP
|
— | — | — | — |
32,000,000
GBP
|
— | — | — | — | — |
3,734,000,000
GBP
|
— |
3,734,000,000
GBP
|
— |
3,766,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
3,249,000,000
GBP
|
— |
3,338,000,000
GBP
|
3,249,000,000
GBP
|
89,000,000
GBP
|
— |
3,249,000,000
GBP
|
— | — | — |
139,000,000
GBP
|
— | — | — |
2,660,000,000
GBP
|
2,660,000,000
GBP
|
— |
2,799,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,660,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
330,000,000
GBP
|
— | — | — | — |
148,000,000
GBP
|
— | — | — | — | — |
330,000,000
GBP
|
324,000,000
GBP
|
654,000,000
GBP
|
— |
802,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
777,000,000
GBP
|
535,000,000
GBP
|
1,482,000,000
GBP
|
1,312,000,000
GBP
|
170,000,000
GBP
|
— |
777,000,000
GBP
|
— | — | — |
174,000,000
GBP
|
— | — | — |
691,000,000
GBP
|
39,000,000
GBP
|
— |
865,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
652,000,000
GBP
|
39,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
3,404,000,000
GBP
|
— | — | — | — |
116,000,000
GBP
|
— | — | — | — | — |
3,404,000,000
GBP
|
324,000,000
GBP
|
3,080,000,000
GBP
|
— |
2,964,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
4,026,000,000
GBP
|
535,000,000
GBP
|
4,820,000,000
GBP
|
4,561,000,000
GBP
|
259,000,000
GBP
|
— |
4,026,000,000
GBP
|
— | — | — |
35,000,000
GBP
|
— | — | — |
1,969,000,000
GBP
|
2,621,000,000
GBP
|
— |
1,934,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
652,000,000
GBP
|
2,621,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
1,762,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
1,762,000,000
GBP
|
— |
1,762,000,000
GBP
|
— |
1,859,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
1,720,000,000
GBP
|
— |
1,792,000,000
GBP
|
1,720,000,000
GBP
|
— | — |
1,720,000,000
GBP
|
— | — | — | — | — | — | — |
1,646,000,000
GBP
|
1,646,000,000
GBP
|
— |
1,718,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,646,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity |
48,000,000
GBP
|
— | — | — | — | — | — |
24,000,000
GBP
|
— | — | — |
24,000,000
GBP
|
— |
48,000,000
GBP
|
— |
48,000,000
GBP
|
— | — | — | — | — | — | — | — |
39,000,000
GBP
|
50,000,000
GBP
|
— |
89,000,000
GBP
|
89,000,000
GBP
|
— | — |
89,000,000
GBP
|
— | — | — | — | — |
59,000,000
GBP
|
— |
49,000,000
GBP
|
49,000,000
GBP
|
— |
49,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
10,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity |
111,000,000
GBP
|
— | — | — | — |
35,000,000
GBP
|
— | — | — | — | — |
111,000,000
GBP
|
— |
111,000,000
GBP
|
— |
146,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
27,000,000
GBP
|
— | — | — |
15,000,000
GBP
|
15,000,000
GBP
|
— |
42,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
15,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |