Statement Of Financial Position [Abstract]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — |
75,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
84,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — |
301,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
319,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — |
4,180,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
3,969,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — |
1,620,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,669,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — |
10,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
8,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners | — | — |
101,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — |
62,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
72,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
1,001,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
723,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Assets | — | — |
9,028,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
8,350,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||
| Issued capital | — | — |
32,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
32,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — |
2,330,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,308,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Share premium | — | — |
87,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
87,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Treasury shares | — | — |
247,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
222,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — |
2,417,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,087,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Equity |
247,000,000
EUR
|
2,330,000,000
EUR
|
2,417,000,000
EUR
|
118,000,000
EUR
|
122,000,000
EUR
|
2,417,000,000
EUR
|
87,000,000
EUR
|
0
EUR
|
219,000,000
EUR
|
32,000,000
EUR
|
2,308,000,000
EUR
|
0
EUR
|
2,087,000,000
EUR
|
32,000,000
EUR
|
133,000,000
EUR
|
116,000,000
EUR
|
222,000,000
EUR
|
135,000,000
EUR
|
87,000,000
EUR
|
2,087,000,000
EUR
|
2,380,000,000
EUR
|
0
EUR
|
213,000,000
EUR
|
2,380,000,000
EUR
|
87,000,000
EUR
|
2,297,000,000
EUR
|
279,000,000
EUR
|
110,000,000
EUR
|
139,000,000
EUR
|
33,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||
| Deferred tax liabilities | — | — |
294,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
305,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — | — |
74,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — |
6,611,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
6,263,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — |
9,028,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
8,350,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |