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 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
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 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — | — |
1,632,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
1,506,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — | — |
44,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
52,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — | — |
96,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
97,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — |
54,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
54,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — | — | — |
1,927,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
1,825,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||||||
| Current inventories | — | — | — | — | — | — | — |
216,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
236,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — | — | — | — | — |
38,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
14,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — |
241,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
275,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current assets | — | — | — | — | — | — | — |
817,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
869,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — |
2,744,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
2,694,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — |
29,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
29,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — | — |
2,178,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
2,096,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — |
2,088,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
2,114,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — |
4,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
4,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
2,178,000,000
EUR
|
4,000,000
EUR
|
1,000,000
EUR
|
2,088,000,000
EUR
|
29,000,000
EUR
|
94,000,000
EUR
|
212,000,000
EUR
|
2,092,000,000
EUR
|
29,000,000
EUR
|
2,096,000,000
EUR
|
1,000,000
EUR
|
2,118,000,000
EUR
|
94,000,000
EUR
|
4,000,000
EUR
|
104,000,000
EUR
|
2,114,000,000
EUR
|
2,114,000,000
EUR
|
4,000,000
EUR
|
104,000,000
EUR
|
2,118,000,000
EUR
|
2,096,000,000
EUR
|
94,000,000
EUR
|
1,000,000
EUR
|
29,000,000
EUR
|
1,000,000
EUR
|
29,000,000
EUR
|
1,912,000,000
EUR
|
1,877,000,000
EUR
|
88,000,000
EUR
|
4,000,000
EUR
|
1,873,000,000
EUR
|
157,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||||||||||
| Non-current provisions | — | — | — | — | — | — | — |
18,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
17,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — | — | — |
47,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
43,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — | — |
158,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
160,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||||||||||
| Current provisions | — | — | — | — | — | — | — |
8,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
9,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — | — | — | — | — | — |
25,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
29,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — | — |
494,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
416,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — | — |
652,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
576,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — |
2,744,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
2,694,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |