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Property, plant and equipment (Tables)
 6 Months Ended
Jun. 30, 2024
Property Plant And Equipment  
Schedule of property, plant and equipment by class of assets
           
 

Land, buildings

and

improvement

 Equipment and other assets (1)

Assets under

construction (2)

 Exploration and development costs (3) Right-of-use assets Total
Balance at December 31, 2023 2,687 58,409 21,516 40,432 30,380 153,424
Cost 4,634 118,173 31,467 74,809 44,829 273,912
Accumulated depreciation and impairment (4) (1,947) (59,764) (9,951) (34,377) (14,449) (120,488)
Additions − 188 6,096 32 3,059 9,375
Decommissioning costs - Additions to / review of estimates − − − 66 − 66
Capitalized borrowing costs − − 755 − − 755
Write-offs (3) (14) (128) (5) (25) (175)
Transfers (5) (40) 1,668 (2,459) 1,054 (17) 206
Transfers to assets held for sale − (21) (5) (109) − (135)
Depreciation, amortization and depletion (38) (2,554) − (1,979) (3,068) (7,639)
Impairment reversal (note 19) 3 32 2 − 13 50
Translation adjustment (339) (7,463) (3,155) (5,099) (3,920) (19,976)
Balance at June 30, 2024 2,270 50,245 22,622 34,392 26,422 135,951
Cost 3,927 103,923 31,292 66,123 40,499 245,764
Accumulated depreciation and impairment (4) (1,657) (53,678) (8,670) (31,731) (14,077) (109,813)

 

 

             
Balance at December 31, 2022 2,538 55,147 14,838 38,434 19,212 130,169
Cost 4,343 105,429 23,938 67,581 29,670 230,961
Accumulated depreciation and impairment (4) (1,805) (50,282) (9,100) (29,147) (10,458) (100,792)
Additions − 229 4,653 2 7,304 12,188
Decommissioning costs - Additions to / review of estimates − − − 6 − 6
Capitalized borrowing costs − − 583 − − 583
Signature Bonuses Transfers (6) − − − 6 − 6
Write-offs               − (181) (17) (35) (151) (384)
Transfers (5) 44 1,232 (1,344) 848 1 781
Transfers to assets held for sale (16) (52) (7) (25) − (100)
Depreciation, amortization and depletion (42) (2,372) − (2,207) (2,524) (7,145)
Impairment recognition (note 19) − (180) (266) (1) − (447)
Impairment reversal (note 19) 1 14 − − 28 43
Translation adjustment 210 4,474 1,453 3,068 1,727 10,932
Balance at June 30, 2023 2,735 58,311 19,893 40,096 25,597 146,632
Cost 4,696 115,136 29,432 73,661 38,756 261,681
Accumulated depreciation and impairment (4) (1,961) (56,825) (9,539) (33,565) (13,159) (115,049)
(1)  It is composed of production platforms, refineries, thermoelectric power plants, natural gas processing plants, pipelines, and other operating, storage and production plants, including subsea equipment for the production and flow of oil and gas, depreciated based on the units of production method.
(2)  See note 8 for assets under construction by operating segment.
(3)  It is composed of exploration and production assets related to wells, abandonment and dismantling of areas, signature bonuses associated with proved reserves and other costs directly associated with the exploration and production of oil and gas, except for assets under "Equipment and other assets".
(4)  In the case of land and assets under construction, it refers only to impairment losses.
(5)  It mainly includes transfers between classes of assets and transfers from advances to suppliers.
(6)  Transfer from Intangible Assets. In 2023, it refers to the declaration of commerciality of the Manjuba field.
Schedule of useful life of assets
 
Asset Weighted average useful life in years
Buildings and improvement 40  (between 25 and 50)
Equipment and other assets 20 (between 3 to 31) - except assets by the units of production method
Exploration and development costs Units of production method
Right-of-use 8 (between 2 and 47)

 
Schedule of accumulated depreciation and impairment
       
  Platforms Vessels Properties Total
Balance at June 30, 2024 16,422 8,042 1,958 26,422
Cost 21,226 16,556 2,717 40,499
Accumulated depreciation and impairment (4,804) (8,514) (759) (14,077)
Balance at December 31, 2023 19,056 9,204 2,120 30,380
Cost 23,859 18,000 2,970 44,829
Accumulated depreciation and impairment (4,803) (8,796) (850) (14,449)

 
Schedule of reimbursements payable relating to the execution
           
          Jan-Jun/2024 Jan-Jun/2023
Opening balance         462 407
Additions on PP&E         118 5
Payments made         (1) −
Other income and expenses         25 23
Translation adjustments         (70) 35
Closing balance (1)         534 470
(1)  Notably Berbigão, Sururu and Agulhinha.