Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2018-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
140,000,000
EUR
|
191,000,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
535,000,000
EUR
|
632,000,000
EUR
|
— |
| Goodwill |
716,000,000
EUR
|
851,000,000
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
1,000,000
EUR
|
1,000,000
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current investments other than investments accounted for using equity method |
14,000,000
EUR
|
17,000,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
425,000,000
EUR
|
507,000,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Current accrued income including current contract assets [abstract] | |||
| Current contract assets |
63,000,000
EUR
|
79,000,000
EUR
|
— |
| Categories of non-current financial assets [abstract] | |||
| Non-current financial assets |
61,000,000
EUR
|
39,000,000
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
195,000,000
EUR
|
243,000,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
330,000,000
EUR
|
65,000,000
EUR
|
291,000,000
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 |
76,000,000
EUR
|
-
EUR
|
— |
| Classes of other provisions [abstract] | |||
| Other provisions [abstract] | |||
| Other non-current provisions |
33,000,000
EUR
|
30,000,000
EUR
|
— |
| Other current provisions |
90,000,000
EUR
|
70,000,000
EUR
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
948,000,000
EUR
|
979,000,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings |
16,000,000
EUR
|
8,000,000
EUR
|
— |
| Non-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 |
2,000,000
EUR
|
3,000,000
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 |
41,000,000
EUR
|
40,000,000
EUR
|
— |
| Accruals classified as current | — | — | — |
| Short-term employee benefits accruals |
142,000,000
EUR
|
134,000,000
EUR
|
— |
| Trade and other current payables |
710,000,000
EUR
|
825,000,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
2,000,000
EUR
|
414,000,000
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
456,000,000
EUR
|
339,000,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
3 018
EUR
|
3 210
EUR
|
— |
| Liabilities |
2 845
EUR
|
3 173
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
1 344
EUR
|
1 127
EUR
|
— |
| Current liabilities |
1 379
EUR
|
1 542
EUR
|
— |
| Assets less current liabilities [abstract] |