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v3.23.1

Property, plant, and equipment | 12 Months Ended
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Dec. 31, 2022
Property, plant and equipment [abstract] |
Property, plant, and equipment |
| 18. | Property, plant, and equipment
Schedule of movements in property, plant and equipment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Notes | Building and land |  | Facilities |  | Equipment |  | Mineral properties |  | Railway equipment |  | Right of use assets |  | Other |  | Constructions in progress |  | Total
Balance at December 31, 2020 |  | 8,591 |  | 7,591 |  | 4,933 |  | 8,054 |  | 2,523 |  | 1,563 |  | 2,495 |  | 5,398 |  | 41,148
Additions (i) |  | - |  | - |  | - |  | - |  | - |  | 185 |  | - |  | 5,316 |  | 5,501
Disposals |  | (13) |  | (32) |  | (69) |  | (2) |  | (9) |  | - |  | (4) |  | (63) |  | (192)
Assets retirement obligation |  | - |  | - |  | - |  | 57 |  | - |  | - |  | - |  | - |  | 57
Depreciation, depletion and amortization |  | (436) |  | (475) |  | (664) |  | (450) |  | (166) |  | (171) |  | (264) |  | - |  | (2,626)
Acquisition of NLC | 16(a) | 235 |  | 140 |  | 102 |  | - |  | 318 |  | 33 |  | 2 |  | 92 |  | 922
Impairment | 19 | (11) |  | (7) |  | (11) |  | (21) |  | - |  | (13) |  | (7) |  | (60) |  | (130)
Impairment of discontinued operations (ii) | 16(a) | (231) |  | (114) |  | (86) |  | - |  | (317) |  | (33) |  | (4) |  | (304) |  | (1,089)
Transfers to assets held for sale | 16 | (2) |  | - |  | (1) |  | - |  | - |  | - |  | - |  | (3) |  | (6)
Translation adjustment |  | (412) |  | (432) |  | (130) |  | (132) |  | (167) |  | (27) |  | (99) |  | (255) |  | (1,654)
Transfers |  | 416 |  | 561 |  | 669 |  | 236 |  | 152 |  | - |  | 365 |  | (2,399) |  | -
Balance at December 31, 2021 |  | 8,137 |  | 7,232 |  | 4,743 |  | 7,742 |  | 2,334 |  | 1,537 |  | 2,484 |  | 7,722 |  | 41,931
Cost |  | 14,937 |  | 11,560 |  | 10,770 |  | 17,036 |  | 3,717 |  | 2,014 |  | 5,470 |  | 7,722 |  | 73,226
Accumulated depreciation |  | (6,800) |  | (4,328) |  | (6,027) |  | (9,294) |  | (1,383) |  | (477) |  | (2,986) |  | - |  | (31,295)
Balance at December 31, 2021 |  | 8,137 |  | 7,232 |  | 4,743 |  | 7,742 |  | 2,334 |  | 1,537 |  | 2,484 |  | 7,722 |  | 41,931
Additions (i) |  | - |  | - |  | - |  | - |  | - |  | 77 |  | - |  | 5,496 |  | 5,573
Disposals |  | (22) |  | (24) |  | (19) |  | (3) |  | (7) |  | - |  | (2) |  | (144) |  | (221)
Assets retirement obligation |  | - |  | - |  | - |  | (562) |  | - |  | - |  | - |  | - |  | (562)
Depreciation, depletion and amortization |  | (409) |  | (478) |  | (700) |  | (436) |  | (160) |  | (185) |  | (301) |  | - |  | (2,669)
Impairment | 19 | 56 |  | 34 |  | 64 |  | 39 |  | - |  | - |  | 21 |  | - |  | 214
Transfers to assets held for sale | 16 | (56) |  | (34) |  | (64) |  | (39) |  | - |  | - |  | (21) |  | - |  | (214)
Translation adjustment |  | 308 |  | 340 |  | 102 |  | (131) |  | 159 |  | 26 |  | 43 |  | 39 |  | 886
Transfers |  | 899 |  | 972 |  | 858 |  | 502 |  | 149 |  | - |  | 408 |  | (3,788) |  | -
Balance at December 31, 2022 |  | 8,913 |  | 8,042 |  | 4,984 |  | 7,112 |  | 2,475 |  | 1,455 |  | 2,632 |  | 9,325 |  | 44,938
Cost |  | 16,027 |  | 12,819 |  | 11,647 |  | 16,405 |  | 4,099 |  | 2,120 |  | 5,899 |  | 9,325 |  | 78,341
Accumulated depreciation |  | (7,114) |  | (4,777) |  | (6,663) |  | (9,293) |  | (1,624) |  | (665) |  | (3,267) |  | - |  | (33,403)
Balance at December 31, 2022 |  | 8,913 |  | 8,042 |  | 4,984 |  | 7,112 |  | 2,475 |  | 1,455 |  | 2,632 |  | 9,325 |  | 44,938
(i) | The additions are mainly related to the expansion of the Voisey’s Bay mine and the Salobo III project, Sol do Cerrado (solar energy plant) and the execution of the Capanema project. It also includes capitalized interest.
(ii) | The Company recognized an impairment loss of US$882 related to NLC assets for the year ended December 31, 2021.
Right-of-use assets (leases)
Schedule of right-of-use assets (leases) |  |  |  |  |  |  |  |  |  |  |  |
|  | December 31, 2021 |  | Additions and contract modifications |  |  |  | Depreciation |  | Translation adjustment |  | December 31, 2022
Ports |  | 680 |  | 23 |  |  |  | (54) |  | 8 |  | 657
Vessels |  | 492 |  | - |  |  |  | (44) |  | 5 |  | 453
Pelletizing plants |  | 215 |  | 20 |  |  |  | (45) |  | 14 |  | 204
Properties |  | 84 |  | 22 |  |  |  | (28) |  | 9 |  | 87
Energy plants |  | 49 |  | - |  |  |  | (7) |  | (3) |  | 39
Mining equipment and locomotives |  | 17 |  | 12 |  |  |  | (7) |  | (7) |  | 15
Total |  | 1,537 |  | 77 |  |  |  | (185) |  | 26 |  | 1,455
Lease liabilities are presented in note 23. Accounting policy Property, plant, and equipment are recorded at the cost of acquisition or construction, net of accumulated depreciation and impairment charges. Mineral properties developed internally are determined by (i) direct and indirect costs attributed to build the mining facilities, (ii) financial charges incurred during the construction period, (iii) depreciation of other fixed assets used during construction, (iv) estimated decommissioning and site restoration expenses, and (v) other capitalized expenditures during the development phase (phase when the project demonstrates its economic benefit to the Company, and the Company has ability and intention to complete the project). The depletion of mineral properties is determined based on the ratio between production and total proven and probable mineral reserves. Property, plant and equipment, other than mineral properties are depreciated using the straight-line method based on the estimated useful lives, from the date on which the assets become available for their intended use and are capitalized, except for land which is not depreciated. The estimated useful lives are as follows:
Schedule of estimated useful lives of property, plant and equipment |  |
|  | Useful life
Buildings |  | 3 to 50 years
Facilities |  | 3 to 50 years
Equipment |  | 3 to 40 years
Locomotives |  | 12 to 25 years
Wagons |  | 30 to 45 years
Railway equipment |  | 5 to 37 years
Vessels |  | 20 to 25 years
Other |  | 2 to 50 years
The residual values and useful lives of assets are reviewed at the end of each reporting period and adjusted if necessary. Expenditures and stripping costs (i) Exploration and evaluation expenditures - Expenditures on mining research are accounted for as operating expenses until the effective proof of economic feasibility and commercial viability of a given field can be demonstrated. From then on, the expenditures incurred are capitalized as mineral properties. (ii) Expenditures on feasibility studies, new technologies and others research - The Company also conducts feasibility studies for many businesses which it operates including researching new technologies to optimize the mining process. After these costs are proven to generate future benefits to the Company, the expenditures incurred are capitalized. (iii) Maintenance costs - Significant industrial maintenance costs, including spare parts, assembly services, and others, are recorded in property, plant and equipment and depreciated through the next programmed maintenance overhaul. (iv) Stripping Costs - The cost associated with the removal of overburden and other waste materials (“stripping costs”) incurred during the development of mines, before production takes place, are capitalized as part of the depreciable cost of the mineral properties. These costs are subsequently amortized over the useful life of the mine. Post-production stripping costs are included in the cost of inventory, except when a new project is developed to permit access to a significant ore deposit. In such cases, the cost is capitalized as a non-current asset and is amortized during the extraction of the ore deposits, over the useful life of the ore deposits. Leases - The Company recognizes a right-of-use asset and a lease liability at the lease commencement date. The right-of-use asset is initially measured at cost, which comprises the initial amount of the lease liability adjusted for any lease payments made at or before the commencement date. The right-of-use asset is subsequently depreciated using the straight-line method from the commencement date to the earlier of the end of the lease term or the end of the useful life of the right-of-use asset. The Company does not recognize right-of-use assets and liabilities for leases with less than 12 months of lease term and/or leases of low-value assets. The payments associated to these leases are recognized as an expense on a straight-line basis over the lease term. The lease liability is initially measured at the present value of the lease payments, discounted using the interest rate implicit in the lease or, if that rate cannot be readily determined, the Company’s incremental borrowing rate. Lease payments included in the measurement of the lease liability comprise: (i) fixed payments, including in-substance fixed payments; (ii) variable lease payments that depend on an index or a rate; and (iii) the exercise price under a purchase option or renewal option that are under the Company’s control and is reasonably certain to be exercised. The lease liability is measured at amortized cost using the effective interest method. It is remeasured when there is a change in future lease payments arising from a change in an index or rate. When the lease liability is remeasured, a corresponding adjustment is made to the carrying amount of the right-of-use asset or is recorded in profit or loss if the carrying amount of the right-of-use asset has been reduced to zero. Critical accounting estimates and judgments Mineral reserves - The estimates of proven and probable reserves are regularly evaluated and updated. These reserves are determined using generally accepted geological estimates. The calculation of reserves requires the Company to make assumptions about expected future conditions that are uncertain, including future ore prices, exchange rates, inflation rates, mining technology, availability of permits and production costs. Changes in assumptions could have a significant impact on the proven and probable reserves of the Company. The estimated volume of mineral reserves is used as basis for the calculation of depletion of the mineral properties, and also for the estimated useful life which is a major factor to quantify the provision for asset retirement obligation, environmental recovery of mines and impairment of long lived asset. Any changes to the estimates of the volume of mine reserves and the useful lives of assets may have a significant impact on the depreciation, depletion and amortization charges and assessments of impairment.

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