Statement Of Financial Position [Abstract]
| Concept |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — | — |
2,951,200
EUR
|
— | — | — | — | — |
2,820,800
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — | — |
4,153,000,000
EUR
|
— | — | — | — | — |
3,745,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — | — |
3,962,000,000
EUR
|
— | — | — | — | — |
3,400,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — | — | — |
2,601,000,000
EUR
|
— | — | — | — | — |
5,426,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — |
163,000,000
EUR
|
— | — | — | — | — |
182,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — |
7,746,000,000
EUR
|
— | — | — | — | — |
3,586,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — |
6,571,200
EUR
|
— | — | — | — | — |
6,147,600
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — |
3,790,000,000
EUR
|
— | — | — | — | — |
3,702,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — |
3,173,600
EUR
|
— | — | — | — | — |
2,510,300
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
35,000,000
EUR
|
3,173,600
EUR
|
2,888,400
EUR
|
165,000,000
EUR
|
1,000,000
EUR
|
3,790,000,000
EUR
|
831,000,000
EUR
|
3,173,400
EUR
|
51,000,000
EUR
|
29,000,000
EUR
|
45,000,000
EUR
|
2,510,300
EUR
|
78,000,000
EUR
|
2,510,400
EUR
|
3,702,000,000
EUR
|
2,386,000,000
EUR
|
781,000,000
EUR
|
1,000,000
EUR
|
2,306,600
EUR
|
27,000,000
EUR
|
1,438,000,000
EUR
|
2,462,100
EUR
|
86,000,000
EUR
|
213,000,000
EUR
|
84,000,000
EUR
|
3,647,000,000
EUR
|
18,000,000
EUR
|
2,264,000
EUR
|
2,462,100
EUR
|
-
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — | — |
926,000,000
EUR
|
— | — | — | — | — |
863,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — | — | — | — | — | — | — |
89,000,000
EUR
|
— | — | — | — | — |
892,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — | — |
3,397,700
EUR
|
— | — | — | — | — |
3,637,200
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — |
6,571,200
EUR
|
— | — | — | — | — |
6,147,600
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |