Statement Of Financial Position [Abstract]
| Concept |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2019-03-31 |
As at 2019-03-31 |
As at 2019-03-31 |
As at 2019-03-31 |
As at 2019-03-31 |
As at 2019-03-31 |
As at 2019-03-31 |
As at 2019-03-31 |
As at 2019-03-31 |
As at 2019-03-31 |
As at 2019-03-31 |
As at 2019-03-31 |
As at 2019-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — |
2,576,600
EUR
|
— | — | — | — | — | — | — | — |
2,391,600
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — |
1,249,000,000
EUR
|
— | — | — | — | — | — | — | — |
607,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — |
2,771,000,000
EUR
|
— | — | — | — | — | — | — | — |
2,033,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — |
3,204,000,000
EUR
|
— | — | — | — | — | — | — | — |
2,984,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
123,000,000
EUR
|
— | — | — | — | — | — | — | — |
201,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — |
3,465,300
EUR
|
— | — | — | — | — | — | — | — |
3,021,400
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||||||||||
| Current inventories | — | — | — |
7,379,000,000
EUR
|
— | — | — | — | — | — | — | — |
6,294,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — |
501,000,000
EUR
|
— | — | — | — | — | — | — | — |
187,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
2,845,000,000
EUR
|
— | — | — | — | — | — | — | — |
2,638,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets | — | — | — |
1,730,000
EUR
|
— | — | — | — | — | — | — | — |
1,543,200
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — |
5,195,300
EUR
|
— | — | — | — | — | — | — | — |
4,564,600
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||||||||
| Issued capital | — | — | — |
3,574,000,000
EUR
|
— | — | — | — | — | — | — | — |
3,471,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — |
2,523,000
EUR
|
— | — | — | — | — | — | — | — |
2,355,800
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — |
42,000,000
EUR
|
— | — | — | — | — | — | — | — |
36,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
421,000,000
EUR
|
653,000,000
EUR
|
2,296,400
EUR
|
2,527,200
EUR
|
3,574,000,000
EUR
|
97,000,000
EUR
|
311,000,000
EUR
|
42,000,000
EUR
|
2,523,000
EUR
|
20,000,000
EUR
|
36,000,000
EUR
|
2,355,800
EUR
|
2,359,400
EUR
|
18,000,000
EUR
|
1,288,000,000
EUR
|
56,000,000
EUR
|
291,000,000
EUR
|
219,000,000
EUR
|
3,471,000,000
EUR
|
2,184,700
EUR
|
490,000,000
EUR
|
2,207,700
EUR
|
33,000,000
EUR
|
2,204,400
EUR
|
31,000,000
EUR
|
5,000,000
EUR
|
11,000,000
EUR
|
94,000,000
EUR
|
5,000,000
EUR
|
2,182,000
EUR
|
5,000,000
EUR
|
3,312,000,000
EUR
|
2,524,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||||||||||||||
| Non-current provisions for employee benefits | — | — | — |
1,344,000,000
EUR
|
— | — | — | — | — | — | — | — |
1,190,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current provisions | — | — | — |
260,000,000
EUR
|
— | — | — | — | — | — | — | — |
389,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — |
660,000,000
EUR
|
— | — | — | — | — | — | — | — |
544,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — |
4,762,000,000
EUR
|
— | — | — | — | — | — | — | — |
3,519,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||||||||||||||
| Current provisions | — | — | — |
10,000,000
EUR
|
— | — | — | — | — | — | — | — |
5,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — | — |
262,000,000
EUR
|
— | — | — | — | — | — | — | — |
262,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — |
2,191,900
EUR
|
— | — | — | — | — | — | — | — |
1,853,300
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — |
2,668,100
EUR
|
— | — | — | — | — | — | — | — |
2,205,200
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
5,195,300
EUR
|
— | — | — | — | — | — | — | — |
4,564,600
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |