Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
1,251,000
EUR
|
1,161,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
1,128,000
EUR
|
1,135,000
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
611,000,000
EUR
|
556,000,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
946,000,000
EUR
|
969,000,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Current accrued income including current contract assets [abstract] | |||
| Current contract assets |
897,000,000
EUR
|
870,000,000
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
1,380,000
EUR
|
1,278,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
722,000,000
EUR
|
773,000,000
EUR
|
139,000,000
EUR
|
| Classes of other provisions [abstract] | |||
| Refunds provision [abstract] | |||
| Non-current refunds provision | — |
9,000,000
EUR
|
— |
| Current refunds provision |
1,758,000
EUR
|
1,583,000
EUR
|
— |
| Other provisions [abstract] | |||
| Other non-current provisions |
63,000,000
EUR
|
64,000,000
EUR
|
— |
| Other current provisions |
173,000,000
EUR
|
134,000,000
EUR
|
— |
| Trade and other non-current payables [abstract] | |||
| Non-current accruals and non-current deferred income including non-current contract liabilities [abstract] | |||
| Non-current deferred income including non-current contract liabilities [abstract] | |||
| Non-current contract liabilities [abstract] | |||
| Non-current contract liabilities |
7,000,000
EUR
|
10,000,000
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 |
692,000,000
EUR
|
729,000,000
EUR
|
— |
| Trade and other payables [abstract] | |||
| Trade payables |
165,000,000
EUR
|
169,000,000
EUR
|
— |
| Categories of non-current financial liabilities [abstract] | |||
| Non-current financial liabilities |
1,437,000
EUR
|
1,434,000
EUR
|
— |
| Categories of current financial liabilities [abstract] | |||
| Current financial liabilities |
226,000,000
EUR
|
288,000,000
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Other non-current liabilities |
9,000,000
EUR
|
0
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
53,000,000
EUR
|
53,000,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
2,461,000
EUR
|
2,298,000
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Accumulated other comprehensive income |
345,000,000
EUR
|
304,000,000
EUR
|
— |
| Miscellaneous equity [abstract] | |||
| Additional paid-in capital |
529,000,000
EUR
|
508,000,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
8,304,000
EUR
|
8,104,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
4,260,000
EUR
|
4,074,000
EUR
|
— |
| Current liabilities |
3,119,000
EUR
|
2,968,000
EUR
|
— |
| Assets less current liabilities [abstract] |