v3.26.1
Intangible assets (Details) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Intangible assets    
Net carrying amount - beginning of the year € 6,434 € 6,379
Additions 527 486
Depreciation capitalized 6 4
Depreciation (409)  
Impairments (45) (31)
Reversals 8  
Write-off (17) (155)
Changes in the scope of consolidation (426) 109
Currency translation differences (75) 43
Other changes 19 (8)
Net carrying amount - end of the year 6,022 6,434
Intangible assets with definite useful lives    
Intangible assets    
Net carrying amount - beginning of the year 3,241 3,220
Additions 527 486
Depreciation capitalized 6 4
Depreciation (409) (393)
Impairments (45) (22)
Reversals 8  
Write-off (17) (155)
Changes in the scope of consolidation (428) 73
Currency translation differences (75) 43
Other changes 24 (15)
Net carrying amount - end of the year 2,832 3,241
Exploration rights    
Intangible assets    
Net carrying amount - beginning of the year 534 663
Additions 7 14
Depreciation (4) (6)
Impairments   (10)
Write-off (17) (153)
Currency translation differences (54) 31
Other changes (20) (5)
Net carrying amount - end of the year 446 534
Industrial patents and intellectual property rights    
Intangible assets    
Net carrying amount - beginning of the year 397 450
Additions 14 31
Depreciation (98) (98)
Other changes 39 14
Net carrying amount - end of the year 352 397
Other intangible assets with definite useful lives    
Intangible assets    
Net carrying amount - beginning of the year 2,310 2,107
Additions 506 441
Depreciation capitalized 6 4
Depreciation (307) (289)
Impairments (45) (12)
Reversals 8  
Write-off   (2)
Changes in the scope of consolidation (428) 73
Currency translation differences (21) 12
Other changes 5 (24)
Net carrying amount - end of the year 2,034 2,310
Goodwill    
Intangible assets    
Net carrying amount - beginning of the year 3,167 3,133
Impairments   (9)
Changes in the scope of consolidation 2 36
Other changes (5) 7
Net carrying amount - end of the year 3,164 3,167
Other intangible assets with indefinite useful lives    
Intangible assets    
Net carrying amount - beginning of the year 26 26
Net carrying amount - end of the year 26 26
Gross carrying amount | Intangible assets with definite useful lives    
Intangible assets    
Net carrying amount - beginning of the year 8,553  
Net carrying amount - end of the year 8,319 8,553
Gross carrying amount | Exploration rights    
Intangible assets    
Net carrying amount - beginning of the year 1,197  
Net carrying amount - end of the year 869 1,197
Gross carrying amount | Industrial patents and intellectual property rights    
Intangible assets    
Net carrying amount - beginning of the year 2,166  
Net carrying amount - end of the year 2,215 2,166
Gross carrying amount | Other intangible assets with definite useful lives    
Intangible assets    
Net carrying amount - beginning of the year 5,190  
Net carrying amount - end of the year 5,235 5,190
Accumulated depreciation, amortisation and impairment | Intangible assets with definite useful lives    
Intangible assets    
Net carrying amount - beginning of the year (5,312)  
Net carrying amount - end of the year (5,487) (5,312)
Accumulated depreciation, amortisation and impairment | Exploration rights    
Intangible assets    
Net carrying amount - beginning of the year (663)  
Net carrying amount - end of the year (423) (663)
Accumulated depreciation, amortisation and impairment | Industrial patents and intellectual property rights    
Intangible assets    
Net carrying amount - beginning of the year (1,769)  
Net carrying amount - end of the year (1,863) (1,769)
Accumulated depreciation, amortisation and impairment | Other intangible assets with definite useful lives    
Intangible assets    
Net carrying amount - beginning of the year (2,880)  
Net carrying amount - end of the year € (3,201) € (2,880)