Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Construction in progress |
1,550,000,000
EUR
|
1,859,000,000
EUR
|
— |
| Other property, plant and equipment |
3,042,000,000
EUR
|
3,630,000,000
EUR
|
— |
| Property, plant and equipment |
4,592,000,000
EUR
|
5,489,000,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
920,000,000
EUR
|
4,291,000,000
EUR
|
— |
| Trade and other non-current receivables [abstract] | |||
| Trade and other non-current receivables |
87,000,000
EUR
|
111,000,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current prepayments and current accrued income other than current contract assets [abstract] | |||
| Current prepayments [abstract] | |||
| Current prepayments |
47,000,000
EUR
|
47,000,000
EUR
|
— |
| Trade and other current receivables |
860,000,000
EUR
|
1,033,000,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Classes of current inventories [abstract] | |||
| Current inventories |
55,000,000
EUR
|
34,000,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
2,907,000,000
EUR
|
1,047,000,000
EUR
|
1,049,000,000
EUR
|
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
3,443,000,000
EUR
|
3,629,000,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings |
716,000,000
EUR
|
719,000,000
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| 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 deferred income including non-current contract liabilities |
337,000,000
EUR
|
359,000,000
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 deferred income including current contract liabilities |
224,000,000
EUR
|
189,000,000
EUR
|
— |
| Trade and other current payables |
390,000,000
EUR
|
367,000,000
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Other non-current liabilities |
83,000,000
EUR
|
107,000,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
10,184,000,000
EUR
|
12,607,000,000
EUR
|
— |
| Liabilities |
6,426,000,000
EUR
|
6,949,000,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
3,890,000,000
EUR
|
2,190,000,000
EUR
|
— |
| Current liabilities |
2,019,000,000
EUR
|
1,643,000,000
EUR
|
— |
| Assets less current liabilities [abstract] |