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Inventories
 12 Months Ended
Dec. 31, 2024
Inventories [Abstract]  
Inventories Inventories
The amount of inventory recognized as an expense in "Cost of net sales" in the Consolidated Income Statement during 2024 amounted to $3.0 billion (2023: $2.9 billion, 2022: $2.7 billion). The amount of inventory recognized as an expense in "Cost of other revenues" in the Consolidated Income Statement during 2024 amounted to $71 million (2023: $67 million, 2022: $59 million).
($ millions)20242023
Raw material, consumables438 434 
Work in progress199 197 
Finished products1,631 1,691 
Total inventories2,268 2,322 
Alcon recognized inventory provisions and write-downs amounting to $217 million in 2024 (2023: $206 million, 2022: $200 million) and reversed inventory provisions amounting to $64 million in 2024 (2023: $88 million, 2022: $72 million). Inventory provisions mainly relate to the adjustment of inventory balances to their net realizable value based on the forecasted sales. Reversals are made when the products become salable.