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Property, plant and equipment (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Property, plant and equipment |  |
Property, plant and equipment - beginning of the year | € 60,302 | € 63,158
Additions | 8,049 | 8,778
Depreciation capitalized | 216 |
Depreciation | (7,032) | (6,606)
Reversals | 382 | 426
Impairments | (2,412) | (1,276)
Write-off | (270) | (84)
Disposals | (113) | (639)
Currency translation differences | 1,044 | 2,098
Initial recognition and changes in estimates | 2,074 |
Changes in the scope of consolidation |  | (4,877)
Other changes | (48) | (676)
Property, plant and equipment - end of the year | 62,192 | 60,302
Land and buildings |  |
Property, plant and equipment |  |
Property, plant and equipment - beginning of the year | 1,274 | 1,313
Additions | 12 | 18
Depreciation | (60) | (65)
Reversals | 44 | 41
Impairments | (47) | (61)
Disposals | (1) | (2)
Currency translation differences | 2 | 2
Changes in the scope of consolidation |  | 1
Transfers | 42 | 81
Other changes | (48) | (54)
Property, plant and equipment - end of the year | 1,218 | 1,274
E&P wells, plant and machinery |  |
Property, plant and equipment |  |
Property, plant and equipment - beginning of the year | 42,856 | 45,782
Additions | 144 | 432
Depreciation | (6,435) | (6,012)
Reversals | 65 | 299
Impairments | (659) | (477)
Write-off |  | (12)
Disposals | (3) | (400)
Currency translation differences | 815 | 1,623
Initial recognition and changes in estimates | 2,028 |
Changes in the scope of consolidation |  | (4,388)
Transfers | 7,568 | 6,795
Other changes | 113 | (786)
Property, plant and equipment - end of the year | 46,492 | 42,856
Other plant and machinery |  |
Property, plant and equipment |  |
Property, plant and equipment - beginning of the year | 3,901 | 3,877
Additions | 223 | 173
Depreciation | (537) | (529)
Reversals | 69 | 86
Impairments | (500) | (73)
Write-off | (5) | (1)
Disposals | (1) | (9)
Currency translation differences | 21 | 36
Changes in the scope of consolidation |  | 32
Transfers | 597 | 461
Other changes | (136) | (152)
Property, plant and equipment - end of the year | 3,632 | 3,901
E&P exploration assets and appraisal |  |
Property, plant and equipment |  |
Property, plant and equipment - beginning of the year | 1,267 | 1,371
Additions | 508 | 330
Depreciation capitalized | 14 |
Write-off | (216) | (66)
Disposals | (22) | (32)
Currency translation differences | 24 | 53
Initial recognition and changes in estimates | 25 |
Changes in the scope of consolidation |  | (58)
Transfers | (42) | (294)
Other changes | 5 | (37)
Property, plant and equipment - end of the year | 1,563 | 1,267
E&P tangible assets in progress |  |
Property, plant and equipment |  |
Property, plant and equipment - beginning of the year | 9,195 | 9,469
Additions | 6,170 | 6,947
Depreciation capitalized | 202 |
Reversals | 65 |
Impairments | (669) | (548)
Write-off | (49) | (4)
Disposals | (80) | (198)
Currency translation differences | 181 | 385
Initial recognition and changes in estimates | 21 |
Changes in the scope of consolidation |  | (474)
Transfers | (7,526) | (6,501)
Other changes | (98) | 119
Property, plant and equipment - end of the year | 7,412 | 9,195
Other tangible assets in progress and advances |  |
Property, plant and equipment |  |
Property, plant and equipment - beginning of the year | 1,809 | 1,346
Additions | 992 | 878
Reversals | 139 |
Impairments | (537) | (117)
Write-off |  | (1)
Disposals | (6) | 2
Currency translation differences | 1 | (1)
Changes in the scope of consolidation |  | 10
Transfers | (639) | (542)
Other changes | 116 | 234
Property, plant and equipment - end of the year | 1,875 | 1,809
Gross carrying amount |  |
Property, plant and equipment |  |
Property, plant and equipment - beginning of the year | 183,284 |
Property, plant and equipment - end of the year | 192,815 | 183,284
Gross carrying amount | Land and buildings |  |
Property, plant and equipment |  |
Property, plant and equipment - beginning of the year | 4,060 |
Property, plant and equipment - end of the year | 4,067 | 4,060
Gross carrying amount | E&P wells, plant and machinery |  |
Property, plant and equipment |  |
Property, plant and equipment - beginning of the year | 135,467 |
Property, plant and equipment - end of the year | 144,789 | 135,467
Gross carrying amount | Other plant and machinery |  |
Property, plant and equipment |  |
Property, plant and equipment - beginning of the year | 27,516 |
Property, plant and equipment - end of the year | 28,191 | 27,516
Gross carrying amount | E&P exploration assets and appraisal |  |
Property, plant and equipment |  |
Property, plant and equipment - beginning of the year | 1,267 |
Property, plant and equipment - end of the year | 1,563 | 1,267
Gross carrying amount | E&P tangible assets in progress |  |
Property, plant and equipment |  |
Property, plant and equipment - beginning of the year | 12,559 |
Property, plant and equipment - end of the year | 11,406 | 12,559
Gross carrying amount | Other tangible assets in progress and advances |  |
Property, plant and equipment |  |
Property, plant and equipment - beginning of the year | 2,415 |
Property, plant and equipment - end of the year | 2,799 | 2,415
Accumulated depreciation, amortisation and impairment |  |
Property, plant and equipment |  |
Property, plant and equipment - beginning of the year | (122,982) |
Property, plant and equipment - end of the year | (130,623) | (122,982)
Accumulated depreciation, amortisation and impairment | Land and buildings |  |
Property, plant and equipment |  |
Property, plant and equipment - beginning of the year | (2,786) |
Property, plant and equipment - end of the year | (2,849) | (2,786)
Accumulated depreciation, amortisation and impairment | E&P wells, plant and machinery |  |
Property, plant and equipment |  |
Property, plant and equipment - beginning of the year | (92,611) |
Property, plant and equipment - end of the year | (98,297) | (92,611)
Accumulated depreciation, amortisation and impairment | Other plant and machinery |  |
Property, plant and equipment |  |
Property, plant and equipment - beginning of the year | (23,615) |
Property, plant and equipment - end of the year | (24,559) | (23,615)
Accumulated depreciation, amortisation and impairment | E&P tangible assets in progress |  |
Property, plant and equipment |  |
Property, plant and equipment - beginning of the year | (3,364) |
Property, plant and equipment - end of the year | (3,994) | (3,364)
Accumulated depreciation, amortisation and impairment | Other tangible assets in progress and advances |  |
Property, plant and equipment |  |
Property, plant and equipment - beginning of the year | (606) |
Property, plant and equipment - end of the year | € (924) | € (606)

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