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 | — | — | — | — |
1,233,000,000
EUR
|
— | — | — |
1,147,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — |
1,648,000,000
EUR
|
— | — | — |
1,651,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — |
22,000,000
EUR
|
— | — | — |
109,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — |
1,057,000,000
EUR
|
— | — | — |
1,008,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — |
118,000,000
EUR
|
— | — | — |
197,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — |
5,785,000,000
EUR
|
— | — | — |
5,374,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Trade and other current receivables | — | — | — | — |
2,134,000,000
EUR
|
— | — | — |
2,293,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — | — |
33,000,000
EUR
|
— | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — |
1,054,000,000
EUR
|
— | — | — |
404,000,000
EUR
|
— | — | — | — | — |
2,370,000,000
EUR
|
— | — | — | — | — | — |
| Current assets | — | — | — | — |
7,901,000,000
EUR
|
— | — | — |
7,982,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — |
1,368,600
EUR
|
— | — | — |
1,335,600
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — | — | — | — |
83,000,000
EUR
|
— | — | — |
81,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — |
3,133,000,000
EUR
|
— | — | — |
3,002,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
1,152,000,000
EUR
|
3,133,000,000
EUR
|
83,000,000
EUR
|
2,000,000
EUR
|
4,630,000,000
EUR
|
640,000,000
EUR
|
900,000,000
EUR
|
640,000,000
EUR
|
3,836,000,000
EUR
|
794,000,000
EUR
|
597,000,000
EUR
|
3,002,000,000
EUR
|
81,000,000
EUR
|
2,000,000
EUR
|
3,170,000,000
EUR
|
436,000,000
EUR
|
603,000,000
EUR
|
596,000,000
EUR
|
2,667,000,000
EUR
|
3,000,000
EUR
|
71,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||
| Non-current provisions for employee benefits | — | — | — | — |
220,000,000
EUR
|
— | — | — |
224,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current provisions | — | — | — | — |
385,000,000
EUR
|
— | — | — |
452,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — |
240,000,000
EUR
|
— | — | — |
293,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — |
1,676,000,000
EUR
|
— | — | — |
2,248,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||
| Other current provisions | — | — | — | — |
302,000,000
EUR
|
— | — | — |
196,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables | — | — | — | — |
3,673,000,000
EUR
|
— | — | — |
3,461,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — | — | — |
54,000,000
EUR
|
— | — | — |
68,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — |
7,380,000,000
EUR
|
— | — | — |
7,272,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — |
1,368,600
EUR
|
— | — | — |
1,335,600
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |