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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment |
414,000,000
EUR
|
— | — | — | — | — | — | — | — |
421,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
5 305
EUR
|
— | — | — | — | — | — | — | — |
5 105
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
919,000,000
EUR
|
— | — | — | — | — | — | — | — |
1 089
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
8,000,000
EUR
|
— | — | — | — | — | — | — | — |
4,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
294,000,000
EUR
|
— | — | — | — | — | — | — | — |
189,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets |
171,000,000
EUR
|
— | — | — | — | — | — | — | — |
840,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
8 017
EUR
|
— | — | — | — | — | — | — | — |
8 720
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Current tax assets, current |
64,000,000
EUR
|
— | — | — | — | — | — | — | — |
76,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
3 331
EUR
|
— | — | — | — | — | — | — | — |
3 372
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current assets other than non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
7 501
EUR
|
— | — | — | — | — | — | — | — |
7 476
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Assets |
16 394
EUR
|
— | — | — | — | — | — | — | — |
16 819
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
111,000,000
EUR
|
— | — | — | — | — | — | — | — |
111,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
3 793
EUR
|
— | — | — | — | — | — | — | — |
4 437
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
7,000,000
EUR
|
— | — | — | — | — | — | — | — |
6,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
3 799
EUR
|
3 195
EUR
|
7,000,000
EUR
|
111,000,000
EUR
|
3 793
EUR
|
1 499
EUR
|
1 012
EUR
|
5 790
EUR
|
1 498
EUR
|
4 444
EUR
|
4 437
EUR
|
6,000,000
EUR
|
2 962
EUR
|
111,000,000
EUR
|
10,000,000
EUR
|
1 476
EUR
|
6 861
EUR
|
110,000,000
EUR
|
6 871
EUR
|
550,000,000
EUR
|
4 724
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||
| Non-current provisions for employee benefits |
639,000,000
EUR
|
— | — | — | — | — | — | — | — |
944,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other non-current provisions |
496,000,000
EUR
|
— | — | — | — | — | — | — | — |
657,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
148,000,000
EUR
|
— | — | — | — | — | — | — | — |
67,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
4 451
EUR
|
— | — | — | — | — | — | — | — |
5 352
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||
| Current provisions |
245,000,000
EUR
|
— | — | — | — | — | — | — | — |
137,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
63,000,000
EUR
|
— | — | — | — | — | — | — | — |
61,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities other than liabilities included in disposal groups classified as held for sale |
7 487
EUR
|
— | — | — | — | — | — | — | — |
6 546
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale |
656,000,000
EUR
|
— | — | — | — | — | — | — | — |
477,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
16 394
EUR
|
— | — | — | — | — | — | — | — |
16 819
EUR
|
— | — | — | — | — | — | — | — | — | — | — |