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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment | — | — | — |
7,527,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
7,351,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — |
910,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
946,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Goodwill | — | — | — |
1 139,4
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
1 131,4
EUR
|
— | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — |
1,981,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
2,101,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
131,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
119,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
1,141,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
2,201,000,000
EUR
|
— | — | — |
520,000,000
EUR
|
— | — | — | — |
| Assets | — | — | — |
3 028,4
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
3 041,4
EUR
|
— | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — | — | — |
830,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
830,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Retained earnings | — | — | — |
7,761,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
7,615,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Treasury shares | — | — | — |
1,261,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
1,284,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Other reserves | — | — | — |
3,739,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
3,757,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — |
1 197,8
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
1 182,7
EUR
|
— | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — |
63,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
15,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Equity |
1,261,000,000
EUR
|
7,761,000,000
EUR
|
3,739,000,000
EUR
|
1 204,1
EUR
|
909,000,000
EUR
|
1 197,8
EUR
|
63,000,000
EUR
|
830,000,000
EUR
|
7,615,000,000
EUR
|
15,000,000
EUR
|
1 182,7
EUR
|
830,000,000
EUR
|
909,000,000
EUR
|
1,284,000,000
EUR
|
3,757,000,000
EUR
|
1 184,2
EUR
|
1 149,6
EUR
|
7,000,000
EUR
|
3,708,000,000
EUR
|
1 150,3
EUR
|
7,370,000,000
EUR
|
1,322,000,000
EUR
|
909,000,000
EUR
|
830,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — |
253,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
262,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Liabilities | — | — | — |
1 824,3
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
1 857,2
EUR
|
— | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
3 028,4
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
3 041,4
EUR
|
— | — | — | — | — | — | — | — |