Statement Of Financial Position [Abstract]
| Concept |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||
| Property, plant and equipment |
613,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
587,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
626,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
626,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
3 177
EUR
|
— | — | — | — | — | — | — | — | — |
2 800
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
1 345
EUR
|
— | — | — | — | — | — | — | — | — |
1 422
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
78,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
66,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets |
98,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
59,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
5 954
EUR
|
— | — | — | — | — | — | — | — | — |
5 570
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||||
| Current tax assets, current |
75,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
87,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial assets |
66,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
46,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
817,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
837,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets |
2 910
EUR
|
— | — | — | — | — | — | — | — | — |
2 776
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
8 864
EUR
|
— | — | — | — | — | — | — | — | — |
8 346
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||
| Issued capital |
148,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
147,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
576,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
575,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
3 672
EUR
|
— | — | — | — | — | — | — | — | — |
3 157
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
0
EUR
|
— | — | — | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
3 672
EUR
|
5,000,000
EUR
|
0
EUR
|
576,000,000
EUR
|
2 971
EUR
|
148,000,000
EUR
|
9,000,000
EUR
|
3 672
EUR
|
27,000,000
EUR
|
2 566
EUR
|
3 157
EUR
|
23,000,000
EUR
|
7,000,000
EUR
|
3 157
EUR
|
575,000,000
EUR
|
0
EUR
|
101,000,000
EUR
|
147,000,000
EUR
|
2 050
EUR
|
0
EUR
|
30,000,000
EUR
|
2 409
EUR
|
147,000,000
EUR
|
7,000,000
EUR
|
386,000,000
EUR
|
575,000,000
EUR
|
2 409
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||||||||
| Non-current provisions for employee benefits |
34,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
33,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
315,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
332,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial liabilities |
2 021
EUR
|
— | — | — | — | — | — | — | — | — |
2 270
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
2 904
EUR
|
— | — | — | — | — | — | — | — | — |
3 150
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||||||||
| Current provisions |
90,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
83,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
167,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
127,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial liabilities |
710,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
546,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current non-financial liabilities |
911,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
831,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
2 288
EUR
|
— | — | — | — | — | — | — | — | — |
2 039
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
8 864
EUR
|
— | — | — | — | — | — | — | — | — |
8 346
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |