XML 181 R110.htm IDEA: XBRL DOCUMENT v3.19.1
Property, plant and equipment (Details) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Net book amount - beginning of the year € 63,158 € 70,793
Additions 8,778 8,490
Depreciation (6,606) (7,199)
Reversals 426 1,055
Impairments (1,276) (848)
Write-off (84) (239)
Disposals (639) (1,448)
Currency translation differences 2,098 (7,025)
Decrease through loss of control of subsidiary (4,877)  
Transfers
Other changes (676) (421)
Provisions for depreciation and impairments 16,471  
Net book amount - end of the year 60,302 63,158
Land and buildings [member]    
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Net book amount - beginning of the year 1,313 1,258
Additions 18 22
Depreciation (65) (71)
Reversals 41 5
Impairments (61) (2)
Disposals (2) (15)
Currency translation differences 2 (5)
Decrease through loss of control of subsidiary 1  
Transfers 81 84
Other changes (54) 37
Net book amount - end of the year 1,274 1,313
E&P wells, plant and machinery [Member]    
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Net book amount - beginning of the year 45,782 47,090
Additions 432 42
Depreciation (6,012) (6,583)
Reversals 299 608
Impairments (477) (491)
Write-off (12) (3)
Disposals (400)  
Disposals   3
Currency translation differences 1,623 (5,155)
Decrease through loss of control of subsidiary (4,388)  
Transfers 6,795 9,940
Other changes (786) 331
Net book amount - end of the year 42,856 45,782
Other plant and machinery [Member]    
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Net book amount - beginning of the year 3,877 3,789
Additions 173 190
Depreciation (529) (545)
Reversals 86 273
Impairments (73) (83)
Write-off (1) (2)
Disposals (9) (6)
Currency translation differences 36 (143)
Decrease through loss of control of subsidiary 32  
Transfers 461 629
Other changes (152) (225)
Net book amount - end of the year 3,901 3,877
E&P exploration assets and appraisal [member]    
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Net book amount - beginning of the year 1,371 1,905
Additions 330 351
Depreciation
Reversals
Impairments
Write-off (66) (232)
Disposals (32)
Currency translation differences 53 (193)
Decrease through loss of control of subsidiary (58)  
Transfers (294) (265)
Other changes (37) (195)
Net book amount - end of the year 1,267 1,371
E&P tangible assets in progress [Member]    
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Net book amount - beginning of the year 9,469 15,135
Additions 6,947 7,302
Depreciation
Reversals 169
Impairments (548) (146)
Write-off (4) (2)
Disposals (198) (1,376)
Currency translation differences 385 (1,527)
Decrease through loss of control of subsidiary (474)  
Transfers (6,501) (9,673)
Other changes 119 (413)
Net book amount - end of the year 9,195 9,469
Other tangible assets in progress and advances [Member]    
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Net book amount - beginning of the year 1,346 1,616
Additions 878 583
Depreciation
Reversals
Impairments (117) (126)
Write-off (1)  
Disposals   (54)
Disposals 2  
Currency translation differences (1) (2)
Decrease through loss of control of subsidiary 10  
Transfers (542) (715)
Other changes 234 44
Net book amount - end of the year 1,809 1,346
Gross carrying amount [member]    
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Net book amount - beginning of the year 183,777  
Net book amount - end of the year 183,284 183,777
Gross carrying amount [member] | Land and buildings [member]    
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Net book amount - beginning of the year 4,061  
Net book amount - end of the year 4,060 4,061
Gross carrying amount [member] | E&P wells, plant and machinery [Member]    
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Net book amount - beginning of the year 137,223  
Net book amount - end of the year 135,467 137,223
Gross carrying amount [member] | Other plant and machinery [Member]    
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Net book amount - beginning of the year 26,746  
Net book amount - end of the year 27,516 26,746
Gross carrying amount [member] | E&P exploration assets and appraisal [member]    
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Net book amount - beginning of the year 1,371  
Net book amount - end of the year 1,267 1,371
Gross carrying amount [member] | E&P tangible assets in progress [Member]    
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Net book amount - beginning of the year 12,315  
Net book amount - end of the year 12,559 12,315
Gross carrying amount [member] | Other tangible assets in progress and advances [Member]    
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Net book amount - beginning of the year 2,061  
Net book amount - end of the year 2,415 2,061
Accumulated impairment [member]    
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Provisions for depreciation and impairments 122,982 120,619
Accumulated impairment [member] | Land and buildings [member]    
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Provisions for depreciation and impairments 2,786 2,748
Accumulated impairment [member] | E&P wells, plant and machinery [Member]    
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Provisions for depreciation and impairments 92,611 91,441
Accumulated impairment [member] | Other plant and machinery [Member]    
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Provisions for depreciation and impairments 23,615 22,869
Accumulated impairment [member] | E&P exploration assets and appraisal [member]    
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Provisions for depreciation and impairments
Accumulated impairment [member] | E&P tangible assets in progress [Member]    
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Provisions for depreciation and impairments 3,364 2,846
Accumulated impairment [member] | Other tangible assets in progress and advances [Member]    
Disclosure Of Property Plant And Equipment Explanatory [Line Items]    
Provisions for depreciation and impairments € 606 € 715