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 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 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 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||||||||||
| Property, plant and equipment |
5,311,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
4,943,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
474,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
466,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
3,472,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
3,379,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
2,048,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
2,103,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
809,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
637,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
932,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
779,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets |
30,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
30,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
13,651,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
13,216,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||||||||||
| Current inventories |
2,109,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,745,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current |
108,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
109,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial assets |
206,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
229,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
932,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
941,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets |
7,010,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
6,833,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
20,661,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
20,049,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||||||
| Issued capital |
1,588,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,588,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
1,170,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,170,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
61,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
112,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
10,664,000,000
EUR
|
332,000,000
EUR
|
4,000,000
EUR
|
1,786,000,000
EUR
|
7,846,000,000
EUR
|
61,000,000
EUR
|
1,170,000,000
EUR
|
6,854,000,000
EUR
|
225,000,000
EUR
|
1,588,000,000
EUR
|
318,000,000
EUR
|
76,000,000
EUR
|
232,000,000
EUR
|
5,467,000,000
EUR
|
8,851,000,000
EUR
|
1,786,000,000
EUR
|
3,000,000
EUR
|
5,982,000,000
EUR
|
23,000,000
EUR
|
421,000,000
EUR
|
1,170,000,000
EUR
|
112,000,000
EUR
|
645,000,000
EUR
|
1,588,000,000
EUR
|
4,985,000,000
EUR
|
106,000,000
EUR
|
14,000,000
EUR
|
1,588,000,000
EUR
|
1,786,000,000
EUR
|
4,439,000,000
EUR
|
919,000,000
EUR
|
286,000,000
EUR
|
1,153,000,000
EUR
|
1,170,000,000
EUR
|
7,304,000,000
EUR
|
12,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||||||||||||||
| Non-current provisions for employee benefits |
1,057,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,574,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current provisions |
743,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
724,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
558,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
462,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
5,111,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
5,666,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||||||||||||||
| Other current provisions |
297,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
302,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
119,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
115,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
4,885,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
5,531,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
20,661,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
20,049,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |