Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
1 ,1
EUR
|
1 ,1
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
4 4, 6
EUR
|
4 8,7
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
24, 0
EUR
|
5, 2
EUR
|
— |
| Prepayments and accrued income including contract assets [abstract] | |||
| Prepayments and accrued income including contract assets |
34,000,000
EUR
|
34,000,000
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash equivalents [abstract] | |||
| Short-term deposits, classified as cash equivalents |
131 ,2
EUR
|
126 , 0
EUR
|
115 ,4
EUR
|
| Cash and cash equivalents |
0
EUR
|
0
EUR
|
— |
| Miscellaneous assets [abstract] | |||
| Derivative financial assets |
7, 1
EUR
|
5, 9
EUR
|
— |
| Debt instruments held [abstract] | |||
| Debt instruments held |
33,000,000
EUR
|
2 ,0
EUR
|
— |
| Loans and advances | — | — | — |
| Loans and advances to customers |
1 0,8
EUR
|
19 ,2
EUR
|
— |
| Other assets |
793,000,000
EUR
|
74 , 4
EUR
|
— |
| Trade and other payables [abstract] | |||
| Accruals and deferred income including contract liabilities [abstract] | |||
| Accruals and deferred income including contract liabilities |
2 7, 7
EUR
|
2 7, 3
EUR
|
— |
| Categories of financial liabilities [abstract] | |||
| Financial liabilities at fair value through profit or loss [abstract] | |||
| Financial liabilities at fair value through profit or loss that meet definition of held for trading |
7, 1
EUR
|
60,000,000
EUR
|
— |
| Financial liabilities at amortised cost |
60,000,000
EUR
|
3, 4
EUR
|
— |
| Miscellaneous liabilities [abstract] | |||
| Debt instruments issued |
99 ,4
EUR
|
106 ,7
EUR
|
— |
| Other liabilities |
6 4, 7
EUR
|
6 1, 8
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
5 3,7
EUR
|
5 3,7
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
8 4,8
EUR
|
6 7, 5
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
0 ,1
EUR
|
6,000,000
EUR
|
— |
| Reserve of gains and losses on financial assets measured at fair value through other comprehensive income |
5 ,1
EUR
|
5 ,1
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
361 , 6
EUR
|
344, 7
EUR
|
— |
| Liabilities |
208 , 1
EUR
|
2 0 7, 6
EUR
|
— |
| Assets less current liabilities [abstract] |