Statement Of Financial Position [Abstract]
| Concept |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — |
2,122,000,000
EUR
|
1,994,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — |
318,000,000
EUR
|
302,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — |
422,000,000
EUR
|
512,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets | — | — | — | — | — | — |
1,274,000,000
EUR
|
1,409,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — | — |
8,413,000,000
EUR
|
8,514,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Current inventories | — | — | — | — | — | — |
1,721,000,000
EUR
|
1,649,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current receivables | — | — | — | — | — | — |
2,498,000,000
EUR
|
2,483,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — | — | — | — |
150,000,000
EUR
|
134,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
1,302,000,000
EUR
|
1,513,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets | — | — | — | — | — | — |
5,836,000,000
EUR
|
6,044,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — |
14,249,000,000
EUR
|
14,558,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Equity attributable to owners of parent | — | — | — | — | — | — |
4,574,000,000
EUR
|
4,322,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — |
242,000,000
EUR
|
224,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
85,000,000
EUR
|
242,000,000
EUR
|
579,000,000
EUR
|
4,574,000,000
EUR
|
5,068,000,000
EUR
|
—
EUR
|
4,816,000,000
EUR
|
4,546,000,000
EUR
|
4,948,000,000
EUR
|
224,000,000
EUR
|
85,000,000
EUR
|
711,000,000
EUR
|
4,322,000,000
EUR
|
—
EUR
|
4,548,000,000
EUR
|
4,936,000,000
EUR
|
215,000,000
EUR
|
87,000,000
EUR
|
656,000,000
EUR
|
4,333,000,000
EUR
|
34,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||
| Non-current provisions for employee benefits | — | — | — | — | — | — |
381,000,000
EUR
|
423,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current provisions | — | — | — | — | — | — |
160,000,000
EUR
|
161,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — | — |
491,000,000
EUR
|
557,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — |
4,703,000,000
EUR
|
4,306,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||
| Current provisions | — | — | — | — | — | — |
173,000,000
EUR
|
164,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables | — | — | — | — | — | — |
2,740,000,000
EUR
|
2,933,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — | — | — | — | — |
120,000,000
EUR
|
211,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — |
4,730,000,000
EUR
|
5,706,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — |
14,249,000,000
EUR
|
14,558,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |