Statement Of Financial Position [Abstract]
| Concept |
As at 2023-09-30 |
As at 2023-09-30 |
As at 2023-09-30 |
As at 2023-09-30 |
As at 2023-09-30 |
As at 2023-09-30 |
As at 2023-09-30 |
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 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — |
258,000,000
EUR
|
— |
237,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — |
1 680
EUR
|
— |
1 577
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — |
257,000,000
EUR
|
— |
155,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — |
84,000,000
EUR
|
— |
69,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — |
45,000,000
EUR
|
— |
64,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — |
3 833
EUR
|
— |
3 299
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — |
3,000,000
EUR
|
— |
2,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — |
847,000,000
EUR
|
— |
736,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — |
1,000,000
EUR
|
— |
5,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
11,000,000
EUR
|
1,000,000
EUR
|
847,000,000
EUR
|
3,000,000
EUR
|
93,000,000
EUR
|
846,000,000
EUR
|
926,000,000
EUR
|
731,000,000
EUR
|
736,000,000
EUR
|
5,000,000
EUR
|
2,000,000
EUR
|
49,000,000
EUR
|
427,000,000
EUR
|
1 112
EUR
|
1 209
EUR
|
36,000,000
EUR
|
1 173
EUR
|
2,000,000
EUR
|
1 051
EUR
|
36,000,000
EUR
|
100,000,000
EUR
|
36,000,000
EUR
|
-
EUR
|
30,000,000
EUR
|
6,000,000
EUR
|
1 081
EUR
|
30,000,000
EUR
|
1 045
EUR
|
30,000,000
EUR
|
1 051
EUR
|
100,000,000
EUR
|
2,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — |
-
EUR
|
— |
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — | — | — | — | — |
-
EUR
|
— |
16,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — |
2 987
EUR
|
— |
2 568
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — |
3 833
EUR
|
— |
3 299
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |