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Other Intangible Assets and Goodwill - Summary of Detailed Information About Intangible Assets (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | € 158.5 |
Ending balance | 804.1 | € 158.5
Gross carrying amount |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 235.4 | 199.4
Additions | 505.0 | 34.2
Acquisition of subsidiaries and businesses | 187.4 |
Disposals | 3.2 | 0.1
Reclassifications | 0.0 | 0.0
Currency differences | 3.6 | (1.9)
Ending balance | 921.0 | 235.4
Cumulative depreciation and impairment charges |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | (76.9) | (54.8)
Disposals | (0.3) | (0.1)
Currency differences | (0.2) | 0.2
Amortization | 40.5 | 22.0
Ending balance | (116.9) | (76.9)
Concessions, licenses, in-process R&D and similar rights |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 145.4 |
Ending balance | 781.7 | 145.4
Concessions, licenses, in-process R&D and similar rights | Gross carrying amount |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 222.3 | 191.6
Additions | 489.2 | 22.8
Acquisition of subsidiaries and businesses | 187.4 |
Disposals | 1.6 | 0.1
Reclassifications | 4.9 | 6.1
Currency differences | 3.6 | (1.9)
Ending balance | 898.6 | 222.3
Concessions, licenses, in-process R&D and similar rights | Cumulative depreciation and impairment charges |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | (76.9) | (54.8)
Disposals | (0.3) | (0.1)
Currency differences | (0.2) | 0.2
Amortization | 40.5 | 22.0
Ending balance | (116.9) | (76.9)
Advance payments |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 13.1 |
Ending balance | 22.4 | 13.1
Advance payments | Gross carrying amount |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 13.1 | 7.8
Additions | 15.8 | 11.4
Acquisition of subsidiaries and businesses | 0.0 |
Disposals | 1.6 | 0.0
Reclassifications | (4.9) | (6.1)
Currency differences | 0.0 | 0.0
Ending balance | 22.4 | 13.1
Advance payments | Cumulative depreciation and impairment charges |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 0.0 | 0.0
Disposals | 0.0 | 0.0
Currency differences | 0.0 | 0.0
Amortization | 0.0 | 0.0
Ending balance | € 0.0 | € 0.0

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