Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets other than goodwill [abstract] | ||||
| Intangible assets other than goodwill |
3,190,000,000
EUR
|
3,526,000,000
EUR
|
— | — |
| Goodwill |
9,876,000,000
EUR
|
10,238,000,000
EUR
|
— | — |
| Investments accounted for using equity method [abstract] | ||||
| Investments in associates accounted for using equity method |
381,000,000
EUR
|
537,000,000
EUR
|
— | — |
| Trade and other non-current receivables [abstract] | ||||
| Trade and other non-current receivables |
193,000,000
EUR
|
279,000,000
EUR
|
— | — |
| Miscellaneous non-current assets [abstract] | ||||
| Non-current derivative financial assets |
3,000,000
EUR
|
4,000,000
EUR
|
— | — |
| Trade and other current receivables [abstract] | ||||
| Trade and other current receivables |
3,733,000,000
EUR
|
4,115,000,000
EUR
|
— | — |
| Current prepayments and current accrued income including current contract assets [abstract] | ||||
| Current prepayments and current accrued income including current contract assets |
500,000,000
EUR
|
490,000,000
EUR
|
— | — |
| Classes of current inventories [abstract] | ||||
| Current inventories |
3,491,000,000
EUR
|
4,049,000,000
EUR
|
— | — |
| Classes of current inventories, alternative [abstract] | ||||
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
1,869,000,000
EUR
|
1,172,000,000
EUR
|
2,303,000,000
EUR
|
3,226,000,000
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 or as held for distribution to owners |
79,000,000
EUR
|
77,000,000
EUR
|
— | — |
| Miscellaneous current assets [abstract] | ||||
| Current derivative financial assets |
45,000,000
EUR
|
123,000,000
EUR
|
— | — |
| Borrowings [abstract] | ||||
| Non-current portion of non-current borrowings |
7,035,000,000
EUR
|
7,270,000,000
EUR
|
— | — |
| Current borrowings and current portion of non-current borrowings [abstract] | ||||
| Current borrowings and current portion of non-current borrowings |
654,000,000
EUR
|
931,000,000
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 contract liabilities [abstract] | ||||
| Non-current contract liabilities |
469,000,000
EUR
|
515,000,000
EUR
|
— | — |
| Trade and other current payables [abstract] | ||||
| 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 |
1,809,000,000
EUR
|
1,696,000,000
EUR
|
— | — |
| Accruals classified as current |
1,887,000,000
EUR
|
1,626,000,000
EUR
|
— | — |
| Trade and other current payables |
1,917,000,000
EUR
|
1,968,000,000
EUR
|
— | — |
| Miscellaneous non-current liabilities [abstract] | ||||
| Non-current derivative financial liabilities |
3,000,000
EUR
|
4,000,000
EUR
|
— | — |
| Miscellaneous current liabilities [abstract] | ||||
| Current derivative financial liabilities |
40,000,000
EUR
|
207,000,000
EUR
|
— | — |
| Current dividend payables |
11,000,000
EUR
|
-
EUR
|
— | — |
| Issued capital [abstract] | ||||
| Issued capital |
183,000,000
EUR
|
178,000,000
EUR
|
— | — |
| Net assets (liabilities) [abstract] | ||||
| Assets |
29,406,000,000
EUR
|
30,688,000,000
EUR
|
— | — |
| Net current assets (liabilities) [abstract] | ||||
| Current assets |
9,940,000,000
EUR
|
10,259,000,000
EUR
|
— | — |
| Current liabilities |
8,287,000,000
EUR
|
7,934,000,000
EUR
|
— | — |
| Assets less current liabilities [abstract] |