Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Property, plant and equipment [abstract] | ||||
| Property, plant and equipment |
3 266,2
EUR
|
3 225,2
EUR
|
3 644,3
EUR
|
— |
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets other than goodwill [abstract] | ||||
| Intangible assets other than goodwill |
3 462,8
EUR
|
3 356,3
EUR
|
3 163,8
EUR
|
— |
| Goodwill |
11 074,5
EUR
|
10 514,2
EUR
|
9 585,6
EUR
|
— |
| Investments accounted for using equity method [abstract] | ||||
| Investments accounted for using equity method |
99,000,000
EUR
|
111,000,000
EUR
|
109,000,000
EUR
|
— |
| Trade and other current receivables [abstract] | ||||
| Current trade receivables |
4 021,0
EUR
|
3 511,3
EUR
|
4 086,7
EUR
|
— |
| Categories of non-current financial assets [abstract] | ||||
| Non-current financial assets |
10 920,2
EUR
|
9 604,8
EUR
|
10 819,1
EUR
|
— |
| Classes of current inventories [abstract] | ||||
| Current inventories |
3 166,9
EUR
|
2 675,8
EUR
|
2 920,8
EUR
|
— |
| Classes of current inventories, alternative [abstract] | ||||
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
2 713,8
EUR
|
6 405,9
EUR
|
5 286,0
EUR
|
3 992,0
EUR
|
| Miscellaneous current assets [abstract] | ||||
| Other current assets |
2 037,9
EUR
|
1 732,7
EUR
|
1 474,9
EUR
|
— |
| Classes of other provisions [abstract] | ||||
| Other provisions [abstract] | ||||
| Other non-current provisions |
638,000,000
EUR
|
568,000,000
EUR
|
569,000,000
EUR
|
— |
| Borrowings [abstract] | ||||
| Non-current portion of non-current borrowings |
107,000,000
EUR
|
85,000,000
EUR
|
96,000,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | ||||
| Current borrowings and current portion of non-current borrowings |
4 619,4
EUR
|
8,564,000,000
EUR
|
8,412,000,000
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | ||||
| Current borrowings and current portion of non-current borrowings, by type [abstract] | ||||
| Trade and other current payables [abstract] | ||||
| Current trade payables |
6 068,1
EUR
|
4 764,5
EUR
|
4 658,4
EUR
|
— |
| Miscellaneous current liabilities [abstract] | ||||
| Other current liabilities |
3 980,8
EUR
|
3 682,5
EUR
|
3 508,5
EUR
|
— |
| Issued capital [abstract] | ||||
| Issued capital |
1,115,000,000
EUR
|
1,120,000,000
EUR
|
1,116,000,000
EUR
|
— |
| Accumulated other comprehensive income [abstract] | ||||
| Reserve of exchange differences on translation |
2,791,000,000
EUR
|
8,892,000,000
EUR
|
992,000,000
EUR
|
— |
| Accumulated other comprehensive income |
5 738,6
EUR
|
4 304,5
EUR
|
5 595,8
EUR
|
— |
| Miscellaneous equity [abstract] | ||||
| Additional paid-in capital |
3 265,6
EUR
|
3 259,8
EUR
|
3 130,2
EUR
|
— |
| Net assets (liabilities) [abstract] | ||||
| Assets |
43 013,4
EUR
|
43 606,9
EUR
|
43 809,8
EUR
|
— |
| Net current assets (liabilities) [abstract] | ||||
| Current assets |
12 075,8
EUR
|
14 560,1
EUR
|
13 916,5
EUR
|
— |
| Current liabilities |
16 583,2
EUR
|
11 130,1
EUR
|
10 868,5
EUR
|
— |
| Assets less current liabilities [abstract] |