Statement Of Financial Position [Abstract]
| Concept |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment |
3,890,000,000
EUR
|
— | — | — | — | — | — |
3,748,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
2 127,4
EUR
|
— | — | — | — | — | — |
2 143,7
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
3,600,000,000
EUR
|
— | — | — | — | — | — |
3,925,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
1,366,000,000
EUR
|
— | — | — | — | — | — |
1,226,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
3 513,4
EUR
|
— | — | — | — | — | — |
3 523,0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Trade and other current receivables |
1 584,5
EUR
|
— | — | — | — | — | — |
1 553,2
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current |
335,000,000
EUR
|
— | — | — | — | — | — |
422,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial assets |
91,000,000
EUR
|
— | — | — | — | — | — |
221,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
1 173,9
EUR
|
— | — | — | — | — | — |
1 662,1
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets |
3 131,0
EUR
|
— | — | — | — | — | — |
3 596,2
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
6 644,4
EUR
|
— | — | — | — | — | — |
7 119,2
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
545,000,000
EUR
|
— | — | — | — | — | — |
543,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
1 936,1
EUR
|
— | — | — | — | — | — |
1 862,1
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
577,000,000
EUR
|
— | — | — | — | — | — |
659,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
1 993,8
EUR
|
577,000,000
EUR
|
2,178,000,000
EUR
|
2 121,4
EUR
|
545,000,000
EUR
|
3,999,000,000
EUR
|
1 936,1
EUR
|
1 928,0
EUR
|
659,000,000
EUR
|
2,122,000,000
EUR
|
1 966,2
EUR
|
543,000,000
EUR
|
3,047,000,000
EUR
|
1 862,1
EUR
|
1 707,1
EUR
|
1 714,7
EUR
|
1 638,5
EUR
|
686,000,000
EUR
|
2,552,000,000
EUR
|
3,171,000,000
EUR
|
543,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||
| Non-current provisions for employee benefits |
1,472,000,000
EUR
|
— | — | — | — | — | — |
1,417,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current provisions |
722,000,000
EUR
|
— | — | — | — | — | — |
729,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
850,000,000
EUR
|
— | — | — | — | — | — |
881,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial liabilities |
737,000,000
EUR
|
— | — | — | — | — | — |
991,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
2 777,5
EUR
|
— | — | — | — | — | — |
2 812,2
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Trade and other current payables |
1 273,4
EUR
|
— | — | — | — | — | — |
1 267,4
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
985,000,000
EUR
|
— | — | — | — | — | — |
1,037,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial liabilities |
1,020,000,000
EUR
|
— | — | — | — | — | — |
1,118,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
1 873,1
EUR
|
— | — | — | — | — | — |
2 379,0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
6 644,4
EUR
|
— | — | — | — | — | — |
7 119,2
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |