Statement Of Financial Position [Abstract]
| Concept |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment |
355,000,000
EUR
|
— | — | — | — | — | — |
414,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
2 875
EUR
|
— | — | — | — | — | — |
5 305
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
529,000,000
EUR
|
— | — | — | — | — | — |
919,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
11,000,000
EUR
|
— | — | — | — | — | — |
8,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
206,000,000
EUR
|
— | — | — | — | — | — |
294,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets |
142,000,000
EUR
|
— | — | — | — | — | — |
171,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
4 806
EUR
|
— | — | — | — | — | — |
8 017
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Current tax assets, current |
83,000,000
EUR
|
— | — | — | — | — | — |
64,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
2 295
EUR
|
— | — | — | — | — | — |
3 331
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets other than non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
6 488
EUR
|
— | — | — | — | — | — |
7 501
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
11 294
EUR
|
— | — | — | — | — | — |
16 394
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
111,000,000
EUR
|
— | — | — | — | — | — |
111,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
55,000,000
EUR
|
— | — | — | — | — | — |
3 793
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
5,000,000
EUR
|
— | — | — | — | — | — |
7,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
61,000,000
EUR
|
1 887
EUR
|
3 441
EUR
|
5,000,000
EUR
|
111,000,000
EUR
|
55,000,000
EUR
|
1 499
EUR
|
3 799
EUR
|
3 195
EUR
|
1 012
EUR
|
7,000,000
EUR
|
111,000,000
EUR
|
3 793
EUR
|
1 499
EUR
|
5 790
EUR
|
2 962
EUR
|
1 498
EUR
|
4 444
EUR
|
4 437
EUR
|
6,000,000
EUR
|
111,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||
| Non-current provisions for employee benefits |
741,000,000
EUR
|
— | — | — | — | — | — |
639,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current provisions |
282,000,000
EUR
|
— | — | — | — | — | — |
496,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
35,000,000
EUR
|
— | — | — | — | — | — |
148,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
4 177
EUR
|
— | — | — | — | — | — |
4 451
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||
| Current provisions |
280,000,000
EUR
|
— | — | — | — | — | — |
245,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
74,000,000
EUR
|
— | — | — | — | — | — |
63,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities other than liabilities included in disposal groups classified as held for sale |
7 056
EUR
|
— | — | — | — | — | — |
7 487
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale |
-
EUR
|
— | — | — | — | — | — |
656,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
11 294
EUR
|
— | — | — | — | — | — |
16 394
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |