Statement Of Financial Position [Abstract]
| Concept |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — | — | — | — |
140,000,000
EUR
|
— | — | — | — | — |
191,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — | — | — | — |
148,000,000
EUR
|
— | — | — | — | — |
285,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — | — | — | — |
716,000,000
EUR
|
— | — | — | — | — |
851,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — | — | — | — |
535,000,000
EUR
|
— | — | — | — | — |
632,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — | — | — |
45,000,000
EUR
|
— | — | — | — | — |
52,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets | — | — | — | — | — | — | — | — | — |
47,000,000
EUR
|
— | — | — | — | — |
22,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current non-financial assets | — | — | — | — | — | — | — | — | — |
27,000,000
EUR
|
— | — | — | — | — |
32,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — | — | — | — | — |
1 674
EUR
|
— | — | — | — | — |
2 082
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||||
| Current inventories | — | — | — | — | — | — | — | — | — |
195,000,000
EUR
|
— | — | — | — | — |
243,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current receivables | — | — | — | — | — | — | — | — | — |
425,000,000
EUR
|
— | — | — | — | — |
507,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — | — | — | — | — | — | — |
14,000,000
EUR
|
— | — | — | — | — |
36,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial assets | — | — | — | — | — | — | — | — | — |
17,000,000
EUR
|
— | — | — | — | — |
13,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current non-financial assets | — | — | — | — | — | — | — | — | — |
224,000,000
EUR
|
— | — | — | — | — |
184,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — | — | — |
330,000,000
EUR
|
— | — | — | — | — |
65,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
291,000,000
EUR
|
— | — |
| Current assets | — | — | — | — | — | — | — | — | — |
1 344
EUR
|
— | — | — | — | — |
1 127
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — | — | — |
3 018
EUR
|
— | — | — | — | — |
3 210
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — | — | — |
2,000,000
EUR
|
— | — | — | — | — |
414,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares | — | — | — | — | — | — | — | — | — |
-
EUR
|
— | — | — | — | — |
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — | — | — |
173,000,000
EUR
|
— | — | — | — | — |
36,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — | — | — |
-
EUR
|
— | — | — | — | — |
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
579,000,000
EUR
|
-
EUR
|
173,000,000
EUR
|
2,000,000
EUR
|
500,000,000
EUR
|
-
EUR
|
456,000,000
EUR
|
61,000,000
EUR
|
643,000,000
EUR
|
173,000,000
EUR
|
36,000,000
EUR
|
-
EUR
|
114,000,000
EUR
|
339,000,000
EUR
|
-
EUR
|
36,000,000
EUR
|
426,000,000
EUR
|
500,000,000
EUR
|
-
EUR
|
414,000,000
EUR
|
75,000,000
EUR
|
372,000,000
EUR
|
-
EUR
|
1,000,000
EUR
|
271,000,000
EUR
|
158,000,000
EUR
|
500,000,000
EUR
|
272,000,000
EUR
|
414,000,000
EUR
|
38,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||||||||
| Non-current provisions for employee benefits | — | — | — | — | — | — | — | — | — |
325,000,000
EUR
|
— | — | — | — | — |
342,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current provisions | — | — | — | — | — | — | — | — | — |
33,000,000
EUR
|
— | — | — | — | — |
30,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — | — | — | — | — |
15,000,000
EUR
|
— | — | — | — | — |
27,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial liabilities | — | — | — | — | — | — | — | — | — |
-
EUR
|
— | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current non-financial liabilities | — | — | — | — | — | — | — | — | — |
21,000,000
EUR
|
— | — | — | — | — |
25,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — | — | — | — |
1 466
EUR
|
— | — | — | — | — |
1 631
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||||||||
| Current provisions for employee benefits | — | — | — | — | — | — | — | — | — |
30,000,000
EUR
|
— | — | — | — | — |
33,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current provisions | — | — | — | — | — | — | — | — | — |
90,000,000
EUR
|
— | — | — | — | — |
70,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables | — | — | — | — | — | — | — | — | — |
710,000,000
EUR
|
— | — | — | — | — |
825,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — | — | — | — | — | — | — | — |
21,000,000
EUR
|
— | — | — | — | — |
41,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial liabilities | — | — | — | — | — | — | — | — | — |
2,000,000
EUR
|
— | — | — | — | — |
2,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current non-financial liabilities | — | — | — | — | — | — | — | — | — |
215,000,000
EUR
|
— | — | — | — | — |
302,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — | — | — | — | — | — | — | — | — |
56,000,000
EUR
|
— | — | — | — | — |
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — | — | — | — |
1 379
EUR
|
— | — | — | — | — |
1 542
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — | — | — | — |
2 845
EUR
|
— | — | — | — | — |
3 173
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — | — | — |
3 018
EUR
|
— | — | — | — | — |
3 210
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |