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Inventories, net (Tables) | 12 Months Ended
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Dec. 31, 2025
Inventory Disclosure [Abstract] |
Inventories | Inventories consist of the following:
Year ended December 31 (€, in millions) | 2024 |  | 2025
Raw materials | 4,911.2 |  | 5,298.5
Work-in-process | 4,872.3 |  | 4,768.5
Finished products | 2,019.5 |  | 2,135.1
Inventories, gross | 11,803.0 |  | 12,202.1
Inventory reserves | (911.5) |  | (772.8)
Inventories, net | 10,891.5 |  | 11,429.3
Allowance for obsolescence and/or lower market value | A summary of movements in the inventory reserves is as follows:
Year ended December 31 (€, in millions) | 2024 |  | 2025
Balance at beginning of year | (693.2) |  | (911.5)
Additions for the year | (554.7) |  | (469.4)
Effect of changes in exchange rates | (1.7) |  | 6.1
Utilization of the reserve | 338.1 |  | 602.0
Balance at end of year | (911.5) |  | (772.8)

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