v3.25.4
Provisions - Provisions (Detail) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of other provisions [line items]      
Current provisions at start of period € 1,977 € 1,463  
Non-current provisions at start of period 996 1,035  
Total provisions 1,627 2,972 € 2,498
Additions 706 1,865  
Utilizations (1,821) (1,336)  
Releases (114) (113)  
Accretion 7 45  
Changes in discount rate   (8)  
Translation differences and other (123) 21  
Total change (1,345) 474  
Current provisions at end of period 712 1,977  
Non-current provisions at end of period 915 996  
Product warranty      
Disclosure of other provisions [line items]      
Current provisions at start of period 522 624  
Non-current provisions at start of period 63 67  
Total provisions 456 585 692
Additions 328 439  
Utilizations (385) (507)  
Releases (32) (15)  
Accretion 0 0  
Changes in discount rate   0  
Translation differences and other (39) (24)  
Total change (129) (107)  
Current provisions at end of period 373 522  
Non-current provisions at end of period 83 63  
Environmental      
Disclosure of other provisions [line items]      
Current provisions at start of period 20 22  
Non-current provisions at start of period 76 80  
Total provisions 83 96 102
Additions 7 9  
Utilizations (14) (15)  
Releases 0 0  
Accretion 4 5  
Changes in discount rate   (7)  
Translation differences and other (11) 4  
Total change (13) (5)  
Current provisions at end of period 19 20  
Non-current provisions at end of period 64 76  
Restructuring-related      
Disclosure of other provisions [line items]      
Current provisions at start of period 77 102  
Non-current provisions at start of period 16 14  
Total provisions 90 94 116
Additions 169 131  
Utilizations (124) (127)  
Releases (46) (26)  
Accretion 0 0  
Changes in discount rate   0  
Translation differences and other (4) (1)  
Total change (4) (23)  
Current provisions at end of period 84 77  
Non-current provisions at end of period 5 16  
Legal      
Disclosure of other provisions [line items]      
Current provisions at start of period 1,066 477  
Non-current provisions at start of period 13 10  
Total provisions 31 1,079 487
Additions 15 1,015  
Utilizations (1,047) (477)  
Releases (8) (28)  
Accretion 1 38  
Changes in discount rate   0  
Translation differences and other (9) 44  
Total change (1,048) 592  
Current provisions at end of period 18 1,066  
Non-current provisions at end of period 12 13  
Other      
Disclosure of other provisions [line items]      
Current provisions at start of period 229 181  
Non-current provisions at start of period 216 248  
Total provisions 337 446 429
Additions 116 185  
Utilizations (166) (124)  
Releases (26) (35)  
Accretion 0 (1)  
Changes in discount rate   0  
Translation differences and other (33) (8)  
Total change (109) 16  
Current provisions at end of period 140 229  
Non-current provisions at end of period 196 216  
Post-employment benefits      
Disclosure of other provisions [line items]      
Current provisions at start of period 0 0  
Non-current provisions at start of period 560 558  
Total provisions 520 560 558
Additions 66 81  
Utilizations (85) (76)  
Releases 0 (5)  
Accretion 0 0  
Changes in discount rate   0  
Translation differences and other (22) 2  
Total change (40) 3  
Current provisions at end of period 0 0  
Non-current provisions at end of period 520 560  
Contingent consideration      
Disclosure of other provisions [line items]      
Current provisions at start of period 61 57  
Non-current provisions at start of period 52 58  
Total provisions 111 113 € 115
Additions 4 5  
Utilizations (1) (9)  
Releases (2) (3)  
Accretion 1 3  
Changes in discount rate   0  
Translation differences and other (5) 3  
Total change (3) (2)  
Current provisions at end of period 77 61  
Non-current provisions at end of period € 34 € 52