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] | |||
| Construction in progress |
1,788,000,000
EUR
|
1,651,000,000
EUR
|
— |
| Other property, plant and equipment |
3,773,000,000
EUR
|
4,170,000,000
EUR
|
— |
| Property, plant and equipment |
5,561,000,000
EUR
|
5,821,000,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
3,790,000,000
EUR
|
4,192,000,000
EUR
|
— |
| Trade and other non-current receivables [abstract] | |||
| Trade and other non-current receivables |
245,000,000
EUR
|
268,000,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current prepayments and current accrued income other than current contract assets [abstract] | |||
| Current prepayments [abstract] | |||
| Current prepayments |
48,000,000
EUR
|
72,000,000
EUR
|
— |
| Trade and other current receivables |
1,746,000,000
EUR
|
488,000,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Classes of current inventories [abstract] | |||
| Current inventories |
23,000,000
EUR
|
27,000,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
1,049,000,000
EUR
|
1,162,000,000
EUR
|
1,155,000,000
EUR
|
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
3,524,000,000
EUR
|
3,317,000,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings |
57,000,000
EUR
|
613,000,000
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
292,000,000
EUR
|
300,000,000
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Other non-current liabilities |
83,000,000
EUR
|
127,000,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
13,081,000,000
EUR
|
12,387,000,000
EUR
|
— |
| Liabilities |
7,348,000,000
EUR
|
6,949,000,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
2,882,000,000
EUR
|
1,770,000,000
EUR
|
— |
| Current liabilities |
2,528,000,000
EUR
|
1,529,000,000
EUR
|
— |
| Assets less current liabilities [abstract] |