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Provisions - Provisions for assurance-type product warranty (Detail) - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Provisions [Line Items]    
Provisions, at the start of the period € 2,313  
Provisions, at the end of the period 2,115 € 2,313
Warranty provision [member]    
Provisions [Line Items]    
Provisions, at the start of the period 238 167
Additional provisions, other provisions 320 364
Provision used, other provisions 224 265
Decrease through transfer to liabilities included in disposal groups classified as held for sale, other provisions   (37)
Increase (decrease) through net exchange differences, other provisions 9 10
Provisions, at the end of the period € 344 € 238