Statement Of Changes In Equity [Abstract]
| Concept |
As at 2022-08-31 |
2021-09-01 to 2022-08-31 |
As at 2022-08-31 |
2021-09-01 to 2022-08-31 |
As at 2022-08-31 |
2021-09-01 to 2022-08-31 |
As at 2022-08-31 |
As at 2022-08-31 |
As at 2022-08-31 |
As at 2022-08-31 |
2021-09-01 to 2022-08-31 |
2021-09-01 to 2022-08-31 |
2020-09-01 to 2021-08-31 |
As at 2021-08-31 |
As at 2021-08-31 |
As at 2021-08-31 |
As at 2021-08-31 |
As at 2021-08-31 |
As at 2021-08-31 |
As at 2021-08-31 |
2020-09-01 to 2021-08-31 |
2020-09-01 to 2021-08-31 |
As at 2021-08-31 |
As at 2021-08-31 |
2020-09-01 to 2021-08-31 |
2020-09-01 to 2021-08-31 |
As at 2021-08-31 |
As at 2021-08-31 |
As at 2021-08-31 |
As at 2021-08-31 |
As at 2021-08-31 |
As at 2021-08-31 |
As at 2021-08-31 |
As at 2021-08-31 |
As at 2020-08-31 |
As at 2020-08-31 |
As at 2020-08-31 |
As at 2020-08-31 |
As at 2020-08-31 |
As at 2020-08-31 |
As at 2020-08-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||
| Equity |
248,000,000
EUR
|
— |
3 992
EUR
|
— |
10,000,000
EUR
|
— |
4 415
EUR
|
4 425
EUR
|
415,000,000
EUR
|
590,000,000
EUR
|
— | — | — |
3 154
EUR
|
3 168
EUR
|
21,000,000
EUR
|
590,000,000
EUR
|
3 434
EUR
|
21,000,000
EUR
|
7,000,000
EUR
|
— | — |
1 125
EUR
|
3 175
EUR
|
— | — |
21,000,000
EUR
|
248,000,000
EUR
|
590,000,000
EUR
|
248,000,000
EUR
|
3 147
EUR
|
3 455
EUR
|
7,000,000
EUR
|
1 125
EUR
|
15,000,000
EUR
|
2 758
EUR
|
2 773
EUR
|
3 162
EUR
|
590,000,000
EUR
|
1 242
EUR
|
248,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
704,000,000
EUR
|
— | — | — |
695,000,000
EUR
|
— | — | — | — |
695,000,000
EUR
|
9,000,000
EUR
|
137,000,000
EUR
|
— | — | — | — | — | — | — |
139,000,000
EUR
|
2,000,000
EUR
|
— | — |
139,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
844,000,000
EUR
|
— |
710,000,000
EUR
|
— |
129,000,000
EUR
|
— | — | — | — |
839,000,000
EUR
|
5,000,000
EUR
|
231,000,000
EUR
|
— | — | — | — | — | — | — |
230,000,000
EUR
|
1,000,000
EUR
|
— | — |
113,000,000
EUR
|
117,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
1 548
EUR
|
— |
710,000,000
EUR
|
— |
824,000,000
EUR
|
— | — | — | — |
1 534
EUR
|
14,000,000
EUR
|
368,000,000
EUR
|
— | — | — | — | — | — | — |
369,000,000
EUR
|
1,000,000
EUR
|
— | — |
252,000,000
EUR
|
117,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
305,000,000
EUR
|
— | — | — |
294,000,000
EUR
|
— | — | — | — |
294,000,000
EUR
|
11,000,000
EUR
|
9,000,000
EUR
|
— | — | — | — | — | — | — |
—
EUR
|
9,000,000
EUR
|
— | — |
—
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
—
EUR
|
— | — | — |
1,000,000
EUR
|
— | — | — | — |
1,000,000
EUR
|
1,000,000
EUR
|
21,000,000
EUR
|
— | — | — | — | — | — | — |
21,000,000
EUR
|
—
EUR
|
— | — |
21,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — |
9,000,000
EUR
|
— | — | — |
9,000,000
EUR
|
— | — | — | — |
9,000,000
EUR
|
— |
11,000,000
EUR
|
— | — | — | — | — | — | — |
11,000,000
EUR
|
— | — | — |
11,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — |
—
EUR
|
— | — | — |
1,000,000
EUR
|
— | — | — | — |
1,000,000
EUR
|
1,000,000
EUR
|
1,000,000
EUR
|
— | — | — | — | — | — | — |
1,000,000
EUR
|
2,000,000
EUR
|
— | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
38,000,000
EUR
|
— | — | — |
38,000,000
EUR
|
— | — | — | — |
38,000,000
EUR
|
— |
32,000,000
EUR
|
— | — | — | — | — | — | — |
32,000,000
EUR
|
— | — | — |
32,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |