Statement Of Changes In Equity [Abstract]
| Concept |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
2020-10-01 to 2021-09-30 |
As at 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
2020-10-01 to 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
2020-10-01 to 2021-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
As at 2020-09-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||
| Equity | — | — | — | — |
731,000,000
EUR
|
772,000,000
EUR
|
41,000,000
EUR
|
2,000,000
EUR
|
49,000,000
EUR
|
— | — |
427,000,000
EUR
|
1 148
EUR
|
— |
1 209
EUR
|
— | — | — |
30,000,000
EUR
|
30,000,000
EUR
|
1 081
EUR
|
— |
1 051
EUR
|
100,000,000
EUR
|
2,000,000
EUR
|
— |
1 166
EUR
|
39,000,000
EUR
|
482,000,000
EUR
|
2,000,000
EUR
|
1 145
EUR
|
3,000,000
EUR
|
482,000,000
EUR
|
2,000,000
EUR
|
1 142
EUR
|
1,000,000
EUR
|
1 685
EUR
|
-
EUR
|
21,000,000
EUR
|
1 665
EUR
|
40,000,000
EUR
|
20,000,000
EUR
|
21,000,000
EUR
|
1 142
EUR
|
24,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
13,000,000
EUR
|
427,000,000
EUR
|
— | — | — | — | — | — | — |
427,000,000
EUR
|
440,000,000
EUR
|
— | — |
6,000,000
EUR
|
— | — |
100,000,000
EUR
|
100,000,000
EUR
|
— | — | — | — | — | — | — |
106,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
12,000,000
EUR
|
332,000,000
EUR
|
16,000,000
EUR
|
79,000,000
EUR
|
— | — | — | — | — |
427,000,000
EUR
|
344,000,000
EUR
|
— | — |
6,000,000
EUR
|
— |
9,000,000
EUR
|
100,000,000
EUR
|
89,000,000
EUR
|
— | — | — |
2,000,000
EUR
|
— | — | — |
95,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
-
EUR
|
— | — | — | — | — | — | — | — |
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
— | — | — | — | — | — | — |
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
1,000,000
EUR
|
19,000,000
EUR
|
19,000,000
EUR
|
— | — | — | — | — | — | — |
20,000,000
EUR
|
— | — | — | — | — | — |
1,000,000
EUR
|
— | — | — |
1,000,000
EUR
|
— | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
4,000,000
EUR
|
4,000,000
EUR
|
— | — | — | — | — | — | — |
4,000,000
EUR
|
— | — | — | — | — | — |
3,000,000
EUR
|
— | — | — |
3,000,000
EUR
|
— | — | — |
3,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |