v3.26.1
Property, plant and equipment - Unproved mineral interests (Details) - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Property, plant and equipment    
Property, plant and equipment - beginning of the year € 59,864 € 56,299
Currency translation differences (5,493) 2,774
Property, plant and equipment - end of the year 50,536 59,864
Unproved mineral interest    
Property, plant and equipment    
Property, plant and equipment - beginning of the year 2,679 2,159
Additions 215 844
Net (impairments) reversals (72) (352)
Reclassification to Proved Mineral Interest (1,066) (133)
Currency translation differences and other changes (388) 161
Property, plant and equipment - end of the year 1,368 2,679
Unproved mineral interest | Congo    
Property, plant and equipment    
Property, plant and equipment - beginning of the year 16 429
Net (impairments) reversals (4) (421)
Currency translation differences and other changes (3) 8
Property, plant and equipment - end of the year 9 16
Unproved mineral interest | Nigeria    
Property, plant and equipment    
Property, plant and equipment - beginning of the year 981 924
Additions 27  
Reclassification to Proved Mineral Interest (20) (2)
Currency translation differences and other changes (114) 59
Property, plant and equipment - end of the year 874 981
Unproved mineral interest | United States of America    
Property, plant and equipment    
Property, plant and equipment - beginning of the year 77 23
Net (impairments) reversals (36) (74)
Reclassification to Proved Mineral Interest   (24)
Currency translation differences and other changes (8) 4
Property, plant and equipment - end of the year 33 77
Unproved mineral interest | Algeria    
Property, plant and equipment    
Property, plant and equipment - beginning of the year 187 215
Additions 63  
Reclassification to Proved Mineral Interest (100) (40)
Currency translation differences and other changes (20) 12
Property, plant and equipment - end of the year 130 187
Unproved mineral interest | Egypt    
Property, plant and equipment    
Property, plant and equipment - beginning of the year 3 2
Additions   15
Net (impairments) reversals   (5)
Reclassification to Proved Mineral Interest   (9)
Currency translation differences and other changes (1)  
Property, plant and equipment - end of the year 2 3
Unproved mineral interest | United Arab Emirates    
Property, plant and equipment    
Property, plant and equipment - beginning of the year 445 475
Net (impairments) reversals (22)  
Reclassification to Proved Mineral Interest (54) (58)
Currency translation differences and other changes (137) 28
Property, plant and equipment - end of the year 232 445
Unproved mineral interest | Italy    
Property, plant and equipment    
Property, plant and equipment - beginning of the year 2 2
Net (impairments) reversals (2)  
Property, plant and equipment - end of the year   2
Unproved mineral interest | Indonesia    
Property, plant and equipment    
Property, plant and equipment - beginning of the year 848 89
Additions 115 709
Reclassification to Proved Mineral Interest (804)  
Currency translation differences and other changes (124) 50
Property, plant and equipment - end of the year 35 848
Unproved mineral interest | Netherlands    
Property, plant and equipment    
Property, plant and equipment - beginning of the year 120  
Additions   120
Net (impairments) reversals (8)  
Reclassification to Proved Mineral Interest (88)  
Property, plant and equipment - end of the year 24 € 120
Unproved mineral interest | Tunisia    
Property, plant and equipment    
Additions 7  
Property, plant and equipment - end of the year 7  
Unproved mineral interest | Australia    
Property, plant and equipment    
Additions 3  
Currency translation differences and other changes 19  
Property, plant and equipment - end of the year € 22