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 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 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 |
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 | — | — | — | — | — | — | — | — | — | — | — |
148,000,000
EUR
|
— | — | — | — | — | — |
169,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — | — | — | — | — | — |
1 457
EUR
|
— | — | — | — | — | — |
1 604
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — | — | — | — | — | — |
655,000,000
EUR
|
— | — | — | — | — | — |
706,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — | — | — | — | — | — | — |
64,000,000
EUR
|
— | — | — | — | — | — |
69,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — | — | — | — | — |
49,000,000
EUR
|
— | — | — | — | — | — |
94,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets | — | — | — | — | — | — | — | — | — | — | — |
132,000,000
EUR
|
— | — | — | — | — | — |
75,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — | — | — | — | — | — | — |
2 505
EUR
|
— | — | — | — | — | — |
2 717
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||||||||||||||
| Other current financial assets | — | — | — | — | — | — | — | — | — | — | — |
130,000,000
EUR
|
— | — | — | — | — | — |
136,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — | — | — | — | — |
1 125
EUR
|
— | — | — | — | — | — |
1 004
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets | — | — | — | — | — | — | — | — | — | — | — |
6 923
EUR
|
— | — | — | — | — | — |
6 169
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — | — | — | — | — |
9 428
EUR
|
— | — | — | — | — | — |
8 886
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — | — | — | — | — |
493,000,000
EUR
|
— | — | — | — | — | — |
486,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares | — | — | — | — | — | — | — | — | — | — | — |
37,000,000
EUR
|
— | — | — | — | — | — |
48,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — | — | — | — | — |
1 230
EUR
|
— | — | — | — | — | — |
1 193
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — | — | — | — | — |
96,000,000
EUR
|
— | — | — | — | — | — |
150,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
2 363
EUR
|
96,000,000
EUR
|
1 230
EUR
|
493,000,000
EUR
|
1 894
EUR
|
238,000,000
EUR
|
10,000,000
EUR
|
37,000,000
EUR
|
675,000,000
EUR
|
950,000,000
EUR
|
141,000,000
EUR
|
1 134
EUR
|
33,000,000
EUR
|
1 193
EUR
|
150,000,000
EUR
|
9,000,000
EUR
|
391,000,000
EUR
|
880,000,000
EUR
|
1 043
EUR
|
312,000,000
EUR
|
2 579
EUR
|
29,000,000
EUR
|
127,000,000
EUR
|
48,000,000
EUR
|
486,000,000
EUR
|
424,000,000
EUR
|
770,000,000
EUR
|
110,000,000
EUR
|
1 561
EUR
|
22,000,000
EUR
|
254,000,000
EUR
|
1 451
EUR
|
17,000,000
EUR
|
111,000,000
EUR
|
479,000,000
EUR
|
2 743
EUR
|
3,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||||||||||||||||||
| Non-current provisions | — | — | — | — | — | — | — | — | — | — | — |
33,000,000
EUR
|
— | — | — | — | — | — |
43,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — | — | — | — | — | — | — |
129,000,000
EUR
|
— | — | — | — | — | — |
174,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial liabilities | — | — | — | — | — | — | — | — | — | — | — |
99,000,000
EUR
|
— | — | — | — | — | — |
139,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — | — | — | — | — | — |
3 189
EUR
|
— | — | — | — | — | — |
2 777
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||||||||||||||||||
| Current provisions | — | — | — | — | — | — | — | — | — | — | — |
16,000,000
EUR
|
— | — | — | — | — | — |
22,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — | — | — | — | — | — | — | — | — | — |
11,000,000
EUR
|
— | — | — | — | — | — |
33,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial liabilities | — | — | — | — | — | — | — | — | — | — | — |
98,000,000
EUR
|
— | — | — | — | — | — |
177,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — | — | — | — | — | — |
7 373
EUR
|
— | — | — | — | — | — |
7 152
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — | — | — | — | — |
9 428
EUR
|
— | — | — | — | — | — |
8 886
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |