Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2020-12-31 |
As at 2020-01-01 |
As at 2019-12-31 |
As at 2019-01-01 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Property, plant and equipment [abstract] | ||||
| Property, plant and equipment |
4 055
EUR
|
— |
4 398
EUR
|
— |
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets other than goodwill [abstract] | ||||
| Intangible assets other than goodwill |
8 676
EUR
|
— |
9 479
EUR
|
— |
| Goodwill |
5 060
EUR
|
— |
5 199
EUR
|
— |
| Investments accounted for using equity method [abstract] | ||||
| Investments accounted for using equity method |
2 126
EUR
|
— |
2 211
EUR
|
— |
| Miscellaneous non-current assets [abstract] | ||||
| Non-current derivative financial assets |
52,000,000
EUR
|
— |
33,000,000
EUR
|
— |
| Trade and other current receivables [abstract] | ||||
| Trade and other current receivables |
5 769
EUR
|
— |
7 639
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | ||||
| Current accrued income including current contract assets [abstract] | ||||
| Current contract assets |
1 695
EUR
|
— |
1 743
EUR
|
— |
| Classes of current inventories [abstract] | ||||
| Current inventories |
5 190
EUR
|
— |
6 312
EUR
|
— |
| Classes of current inventories, alternative [abstract] | ||||
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
3 747
EUR
|
2 632
EUR
|
2 632
EUR
|
2 330
EUR
|
| Miscellaneous current assets [abstract] | ||||
| Current derivative financial assets |
694,000,000
EUR
|
— |
674,000,000
EUR
|
— |
| Trade and other current payables [abstract] | ||||
| Current accruals and current deferred income including current contract liabilities [abstract] | ||||
| Current deferred income including current contract liabilities [abstract] | ||||
| Current contract liabilities [abstract] | ||||
| Current contract liabilities |
9 838
EUR
|
— |
10 923
EUR
|
— |
| Trade and other current payables |
4 353
EUR
|
— |
6 164
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | ||||
| Non-current derivative financial liabilities |
18,000,000
EUR
|
— |
5,000,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | ||||
| Current derivative financial liabilities |
1 244
EUR
|
— |
1 033
EUR
|
— |
| Issued capital [abstract] | ||||
| Issued capital |
85,000,000
EUR
|
— |
85,000,000
EUR
|
— |
| Net assets (liabilities) [abstract] | ||||
| Assets |
39 531
EUR
|
— |
42 808
EUR
|
— |
| Net current assets (liabilities) [abstract] | ||||
| Current assets |
18 188
EUR
|
— |
20 072
EUR
|
— |
| Current liabilities |
19 026
EUR
|
— |
22 876
EUR
|
— |
| Assets less current liabilities [abstract] |