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] | ||||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — |
5,561,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
5,821,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Trade and other non-current receivables | — | — | — |
245,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
268,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
568,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
313,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets | — | — | — |
26,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
14,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — |
10,199,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
10,617,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||||
| Current inventories | — | — | — |
23,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
27,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Trade and other current receivables | — | — | — |
1,746,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
488,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — |
13,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
11,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
1,049,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,162,000,000
EUR
|
— | — | — | — | — | — |
1,155,000,000
EUR
|
— | — | — | — |
| Current assets | — | — | — |
2,882,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,770,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — |
13,081,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
12,387,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||
| Equity attributable to owners of parent | — | — | — |
5,670,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
5,366,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — |
63,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
72,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
189,000,000
EUR
|
453,000,000
EUR
|
2,227,000,000
EUR
|
5,733,000,000
EUR
|
1,175,000,000
EUR
|
5,670,000,000
EUR
|
1,636,000,000
EUR
|
63,000,000
EUR
|
351,000,000
EUR
|
719,000,000
EUR
|
86,000,000
EUR
|
72,000,000
EUR
|
5,366,000,000
EUR
|
719,000,000
EUR
|
76,000,000
EUR
|
710,000,000
EUR
|
2,583,000,000
EUR
|
1,636,000,000
EUR
|
5,438,000,000
EUR
|
1,300,000,000
EUR
|
6,173,000,000
EUR
|
83,000,000
EUR
|
2,519,000,000
EUR
|
207,000,000
EUR
|
1,636,000,000
EUR
|
6,256,000,000
EUR
|
296,000,000
EUR
|
90,000,000
EUR
|
719,000,000
EUR
|
1,300,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||||||||
| Non-current provisions | — | — | — |
6,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
12,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — |
399,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
333,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — |
4,820,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
5,420,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||||||||
| Current provisions | — | — | — |
56,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
60,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables | — | — | — |
292,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
300,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — | — |
154,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
23,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — |
2,528,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,529,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — |
7,348,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
6,949,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
13,081,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
12,387,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |