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Additions (Reversals) For Warranties Adjustments For Additions (Reversals) For Warranties Disclosure of detailed information about borrowings [line items] Disclosure of detailed information about borrowings [line items] Financial assets at amortised cost, category Financial assets at amortised cost, category [member] Advertising, selling, and promotion costs Advertising expense Elimination of effects of downstream sales in inventory Elimination Of Effect Of Downstream Sales Elimination Of Effect Of Downstream Sales Reductions to other non-current assets Proceeds from sales of other long-term assets, classified as investing activities Disclosure of non-adjusting events after reporting period [table] Disclosure of non-adjusting events after reporting period [table] Par value per share (in usd per share) Par value per share Italy ITALY Property, plant and equipment Disclosure of property, plant and equipment [text block] Equity-settled share-based payment Equity-settled share-based 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