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v3.23.1

Property, plant and equipment (Tables) | 12 Months Ended
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Dec. 31, 2022
Property, plant and equipment [abstract] |
Schedule of property plant and equipment by class of assets |
Schedule of property plant and equipment by class of assets |  |  |  |  |  |
| Land, buildings and improvement | Equipment and other assets (*) | Assets under construction (**) | Exploration and development costs (***) | Right-of-use assets | Total
Balance at January 1, 2022 | 2,383 | 53,126 | 16,922 | 35,847 | 17,052 | 125,330
Cost | 4,080 | 98,085 | 25,954 | 61,906 | 26,382 | 216,407
Accumulated depreciation and impairment (****) | (1,697) | (44,959) | (9,032) | (26,059) | (9,330) | (91,077)
Additions | − | 841 | 7,525 | 48 | 7,126 | 15,540
Decommissioning costs - Additions to / review of estimates | − | − | − | 3,269 | − | 3,269
Capitalized borrowing costs | − | − | 1,021 | − | − | 1,021
Signature Bonuses Transfers (*****) | − | − | − | 1,177 | − | 1,177
Write-offs | (20) | (746) | (2,152) | (667) | (1,469) | (5,054)
Transfers (******) | 130 | 5,162 | (8,611) | 3,617 | 2 | 300
Transfers to assets held for sale | (27) | (1,874) | (410) | (1,976) | (140) | (4,427)
Depreciation, amortization and depletion | (88) | (4,746) | − | (5,306) | (4,478) | (14,618)
Impairment recognition (note 25) | − | (693) | (605) | (142) | (13) | (1,453)
Impairment reversal (note 25) | − | 223 | 15 | 52 | − | 290
Translation adjustment | 160 | 3,854 | 1,133 | 2,515 | 1,132 | 8,794
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 (****) | (1,805) | (50,282) | (9,100) | (29,147) | (10,458) | (100,792)
Balance at January 1, 2021 | 3,043 | 58,680 | 15,443 | 31,166 | 15,869 | 124,201
Cost | 5,450 | 107,199 | 27,544 | 60,902 | 23,780 | 224,875
Accumulated depreciation and impairment (****) | (2,407) | (48,519) | (12,101) | (29,736) | (7,911) | (100,674)
Additions | − | 1,650 | 5,761 | 5 | 6,954 | 14,370
Decommissioning costs - Additions to / review of estimates | − | − | − | (1,069) | − | (1,069)
Capitalized borrowing costs | − | − | 971 | − | − | 971
Signature Bonuses Transfers (****) | − | − | − | 11,629 | − | 11,629
Write-offs | (38) | (588) | (599) | (1,645) | (279) | (3,149)
Transfers (******) | (295) | 2,934 | (3,160) | 1,781 | 3 | 1,263
Transfers to assets held for sale | (53) | (2,776) | (575) | (822) | (14) | (4,240)
Depreciation, amortization and depletion | (97) | (4,235) | − | (4,342) | (4,281) | (12,955)
Impairment recognition | − | (377) | (1) | (27) | (4) | (409)
Impairment reversal | − | 1,796 | 114 | 1,879 | 34 | 3,823
Translation adjustment | (177) | (3,958) | (1,032) | (2,708) | (1,230) | (9,105)
Balance at December 31, 2021 | 2,383 | 53,126 | 16,922 | 35,847 | 17,052 | 125,330
Cost | 4,080 | 98,085 | 25,954 | 61,906 | 26,382 | 216,407
Accumulated depreciation and impairment (****) | (1,697) | (44,959) | (9,032) | (26,059) | (9,330) | (91,077)
(*) 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.
(**) See note 12 for assets under construction by operating segment.
(***) 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 (oil and gas production properties).
(****) In the case of land and assets under construction, it refers only to impairment losses.
(*****) Transfer from intangible assets related to Atapu, Sepia and Itapu fields in 2022 (related to Búzios in 2021).
(*****) It includes mainly transfers between classes of assets and transfers from advances to suppliers.
Schedule of useful life of assets |
Schedule of useful life of assets |
Asset | Weighted average useful life in years
Buildings and improvement | 40 (25 to 50)
Equipment and other assets | 20 (3 to 31) (except assets by the units of production method)
Exploration and development costs | Units of production method
Right-of-use | 8 (2 to 47)
Schedule of estimated useful life of buildings and improvements, equipment and other assets |
Schedule of estimated useful life of buildings and improvements, equipment and other assets |
| Buildings and improvements, equipment and other assets
Estimated useful life | Cost | Accumulated depreciation | Balance at December 31, 2022
5 years or less | 4,762 | (3,894) | 868
6 - 10 years | 8,316 | (6,288) | 2,028
11 - 15 years | 5,442 | (1,767) | 3,675
16 - 20 years | 27,705 | (16,590) | 11,115
21 - 25 years | 30,195 | (7,709) | 22,486
25 - 30 years | 11,727 | (3,480) | 8,247
30 years or more | 4,600 | (1,855) | 2,745
Units of production method | 16,907 | (10,498) | 6,409
Total | 109,654 | (52,081) | 57,573
Buildings and improvements | 4,225 | (1,799) | 2,426
Equipment and other assets | 105,429 | (50,282) | 55,147
Schedule of asset and readjustment on accumulated depreciation and impairment |
Schedule of asset and readjustment on accumulated depreciation and impairment |  |  |  |
| Platforms | Vessels | Properties | Total
Balance at December 31, 2022 | 9,211 | 8,254 | 1,747 | 19,212
Cost | 12,604 | 14,788 | 2,278 | 29,670
Accumulated depreciation and impairment | (3,393) | (6,534) | (531) | (10,458)
Without contractual readjustment clauses | − | (5,322) | (64) | (5,386)
With contractual readjustment clauses - Brazil | (3,393) | (218) | − | (3,611)
With contractual readjustment clauses – abroad | − | (994) | (467) | (1,461)
Balance at December 31, 2021 | 9,840 | 5,997 | 1,215 | 17,052
Cost | 13,362 | 11,267 | 1,753 | 26,382
Accumulated depreciation and impairment | (3,522) | (5,270) | (538) | (9,330)
Without contractual readjustment clauses | − | (4,375) | (97) | (4,472)
With contractual readjustment clauses - Brazil | (3,522) | (196) | − | (3,718)
With contractual readjustment clauses – abroad | − | (699) | (441) | (1,140)

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