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 | — |
8,483,000,000
EUR
|
— | — | — | — | — |
7,460,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — |
5 476,2
EUR
|
— | — | — | — | — |
5 567,4
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — |
2 436,9
EUR
|
— | — | — | — | — |
2 534,7
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — |
0
EUR
|
— | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — |
1,410,000,000
EUR
|
— | — | — | — | — |
1,336,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — |
9 336,4
EUR
|
— | — | — | — | — |
9 311,9
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Current inventories | — |
1 222,3
EUR
|
— | — | — | — | — |
1 357,4
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial assets | — |
18,000,000
EUR
|
— | — | — | — | — |
651,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — |
2 815,4
EUR
|
— | — | — | — | — |
2 346,8
EUR
|
— | — | — | — | — | — | — |
2 788,3
EUR
|
— | — | — | — | — |
| Current assets | — |
5 505,0
EUR
|
— | — | — | — | — |
5 103,3
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — |
14 841,4
EUR
|
— | — | — | — | — |
14 415,2
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — |
1 056,1
EUR
|
— | — | — | — | — |
1 067,3
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — |
6 722,7
EUR
|
— | — | — | — | — |
6 637,2
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — |
120,000,000
EUR
|
— | — | — | — | — |
56,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
547,000,000
EUR
|
6 734,7
EUR
|
6 181,2
EUR
|
120,000,000
EUR
|
1 056,1
EUR
|
4,599,000,000
EUR
|
6 722,7
EUR
|
6 642,8
EUR
|
473,000,000
EUR
|
56,000,000
EUR
|
5 947,6
EUR
|
1 067,3
EUR
|
3,304,000,000
EUR
|
6 637,2
EUR
|
5 336,1
EUR
|
5 720,3
EUR
|
676,000,000
EUR
|
5 716,5
EUR
|
38,000,000
EUR
|
6,218,000,000
EUR
|
1 069,8
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||
| Non-current provisions for employee benefits | — |
1,362,000,000
EUR
|
— | — | — | — | — |
1,301,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current provisions | — |
1,768,000,000
EUR
|
— | — | — | — | — |
2,174,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — |
9,303,000,000
EUR
|
— | — | — | — | — |
9,146,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — |
5 332,3
EUR
|
— | — | — | — | — |
5 276,5
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||
| Current provisions | — |
1,539,000,000
EUR
|
— | — | — | — | — |
1,464,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial liabilities | — |
17,000,000
EUR
|
— | — | — | — | — |
20,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — |
2 774,4
EUR
|
— | — | — | — | — |
2 495,9
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — |
14 841,4
EUR
|
— | — | — | — | — |
14 415,2
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |