Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Property, plant and equipment [abstract] | ||||
| Property, plant and equipment |
772,000,000
EUR
|
594,000,000
EUR
|
— | — |
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets other than goodwill [abstract] | ||||
| Other intangible assets |
128,000,000
EUR
|
122,000,000
EUR
|
— | — |
| Goodwill |
500,000,000
EUR
|
475,000,000
EUR
|
— | — |
| Investments accounted for using equity method [abstract] | ||||
| Investments in associates accounted for using equity method |
3,023,000,000
EUR
|
2,038,000,000
EUR
|
— | — |
| Trade and other non-current receivables [abstract] | ||||
| Non-current receivables due from related parties | — | — | — | — |
| Non-current receivables due from associates |
101,000,000
EUR
|
262,000,000
EUR
|
— | — |
| Other non-current receivables |
637,000,000
EUR
|
258,000,000
EUR
|
— | — |
| Miscellaneous non-current assets [abstract] | ||||
| Non-current restricted cash and cash equivalents |
401,000,000
EUR
|
628,000,000
EUR
|
— | — |
| Non-current derivative financial assets |
221,000,000
EUR
|
254,000,000
EUR
|
— | — |
| Trade and other current receivables [abstract] | ||||
| Current trade receivables |
1,625,000,000
EUR
|
1,353,000,000
EUR
|
— | — |
| Other current receivables |
603,000,000
EUR
|
324,000,000
EUR
|
— | — |
| Trade and other current receivables |
2,228,000,000
EUR
|
1,677,000,000
EUR
|
— | — |
| Classes of current inventories [abstract] | ||||
| Current inventories |
492,000,000
EUR
|
458,000,000
EUR
|
— | — |
| Classes of current inventories, alternative [abstract] | ||||
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
4,828,000,000
EUR
|
4,789,000,000
EUR
|
5,130,000,000
EUR
|
5,536,000,000
EUR
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | ||||
| Non-current assets or disposal groups classified as held for sale |
56,000,000
EUR
|
—
EUR
|
— | — |
| Miscellaneous current assets [abstract] | ||||
| Current restricted cash and cash equivalents |
18,000,000
EUR
|
31,000,000
EUR
|
— | — |
| Current derivative financial assets |
20,000,000
EUR
|
31,000,000
EUR
|
— | — |
| Classes of other provisions [abstract] | ||||
| Other provisions [abstract] | ||||
| Other non-current provisions |
353,000,000
EUR
|
268,000,000
EUR
|
— | — |
| Borrowings [abstract] | ||||
| Non-current portion of non-current borrowings |
10,092,000,000
EUR
|
10,423,000,000
EUR
|
— | — |
| Current borrowings and current portion of non-current borrowings [abstract] | ||||
| Current borrowings and current portion of non-current borrowings |
1,196,000,000
EUR
|
942,000,000
EUR
|
— | — |
| Non-current portion of non-current borrowings, by type [abstract] | ||||
| Current borrowings and current portion of non-current borrowings, by type [abstract] | ||||
| Trade and other non-current payables [abstract] | ||||
| Non-current accruals and non-current deferred income including non-current contract liabilities [abstract] | ||||
| Non-current deferred income including non-current contract liabilities [abstract] | ||||
| Non-current deferred income other than non-current contract liabilities |
1,375,000,000
EUR
|
1,334,000,000
EUR
|
— | — |
| Other non-current payables |
1,279,000,000
EUR
|
1,310,000,000
EUR
|
— | — |
| Trade and other current payables [abstract] | ||||
| Current trade payables |
1,781,000,000
EUR
|
1,698,000,000
EUR
|
— | — |
| Current accruals and current deferred income including current contract liabilities [abstract] | ||||
| Current deferred income including current contract liabilities [abstract] | ||||
| Current contract liabilities [abstract] | ||||
| Current contract liabilities |
1,619,000,000
EUR
|
1,529,000,000
EUR
|
— | — |
| Other current payables |
502,000,000
EUR
|
419,000,000
EUR
|
— | — |
| Trade and other current payables |
3,902,000,000
EUR
|
3,646,000,000
EUR
|
— | — |
| Miscellaneous non-current liabilities [abstract] | ||||
| Non-current derivative financial liabilities |
71,000,000
EUR
|
99,000,000
EUR
|
— | — |
| Miscellaneous current liabilities [abstract] | ||||
| Current derivative financial liabilities |
61,000,000
EUR
|
34,000,000
EUR
|
— | — |
| Net assets (liabilities) [abstract] | ||||
| Assets |
28,999,000,000
EUR
|
26,318,000,000
EUR
|
— | — |
| Net current assets (liabilities) [abstract] | ||||
| Current assets |
7,672,000,000
EUR
|
6,990,000,000
EUR
|
— | — |
| Current liabilities |
6,301,000,000
EUR
|
5,775,000,000
EUR
|
— | — |
| Assets less current liabilities [abstract] |