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PROPERTY, PLANT AND EQUIPMENT | 12 Months Ended
--- | ---
Dec. 31, 2023
Notes and other explanatory information [abstract] |
PROPERTY, PLANT AND EQUIPMENT |
| 11. | PROPERTY, PLANT AND EQUIPMENT
Schedule of property plant and equipment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  | Consolidated
| Land |  | Buildings and Infrastructure |  | Machinery, equipment and facilities |  | Furniture and fixtures |  | Construction in progress (ii) |  | Right of use (i) |  | Other (*) |  | Total
Balance at December 31, 2021 | 349,495 |  | 3,019,934 |  | 13,800,888 |  | 29,037 |  | 3,643,682 |  | 581,824 |  | 106,274 |  | 21,531,134
Cost | 349,495 |  | 5,358,388 |  | 29,348,048 |  | 190,847 |  | 3,643,682 |  | 754,606 |  | 445,870 |  | 40,090,936
Accumulated depreciation |  |  | (2,338,454) |  | (15,547,160) |  | (161,810) |  |  |  | (172,782) |  | (339,596) |  | (18,559,802)
Balance at December 31, 2021 | 349,495 |  | 3,019,934 |  | 13,800,888 |  | 29,037 |  | 3,643,682 |  | 581,824 |  | 106,274 |  | 21,531,134
Effect of foreign exchange differences | (12,314) |  | (21,167) |  | (66,796) |  | (756) |  | (6,137) |  | (1,024) |  | (334) |  | (108,528)
Acquisitions | 1,402 |  | 48,061 |  | 6,631 |  | 6,618 |  | 3,213,068 |  | 26,218 |  | 58,521 |  | 3,360,519
Capitalized interest (1) (notes 28) |  |  |  |  |  |  |  |  | 135,242 |  |  |  |  |  | 135,242
Write-offs (note 27) |  |  | (272) |  | 25,229 |  |  |  |  |  | (754) |  | (41) |  | 24,162
Depreciation (note 26) |  |  | (218,941) |  | (2,334,638) |  | (7,245) |  |  |  | (104,382) |  | (54,495) |  | (2,719,701)
Transfers to other asset categories |  |  | 314,131 |  | 2,800,864 |  | 5,421 |  | (2,965,725) |  |  |  | (84,171) |  |
Transfers to intangible assets |  |  |  |  |  |  |  |  | (101,449) |  |  |  |  |  | (101,449)
Right of Use - Initial Recognition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Right of use - Remesurement |  |  |  |  |  |  |  |  |  |  | 99,728 |  |  |  | 99,728
Update of the ARO (Asset retirement obligation) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Transfers to fixed assets to investment property without cash effect |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation of acquired companies and asset value | 217,044 |  | 1,309,277 |  | 2,288,415 |  | 7,801 |  | 106,869 |  | 43,272 |  | 171,916 |  | 4,144,594
Acquisition of Elizabeth |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Transfers to inventory |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Others |  |  | 91 |  | 4,700 |  | 6 |  |  |  | (2) |  | (51) |  | 4,744
Balance at December 31, 2022 | 485,107 |  | 4,451,114 |  | 16,525,293 |  | 40,882 |  | 4,025,550 |  | 644,880 |  | 197,619 |  | 26,370,445
Cost | 485,107 |  | 8,741,911 |  | 36,373,386 |  | 284,863 |  | 4,025,550 |  | 1,057,566 |  | 643,304 |  | 51,611,687
Accumulated depreciation |  |  | (4,290,797) |  | (19,848,093) |  | (243,981) |  |  |  | (412,686) |  | (445,685) |  | (25,241,242)
Balance at December 31, 2022 | 485,107 |  | 4,451,114 |  | 16,525,293 |  | 40,882 |  | 4,025,550 |  | 644,880 |  | 197,619 |  | 26,370,445
Effect of foreign exchange differences | (4,586) |  | (5,859) |  | (19,497) |  | (1,877) |  | (2,973) |  | (1,667) |  | (104) |  | (36,563)
Acquisitions | 49,434 |  | 45,852 |  | 265,728 |  | 2,791 |  | 4,040,151 |  | 73,215 |  | 59,035 |  | 4,536,206
Capitalized interest (1) (notes 28) |  |  |  |  |  |  |  |  | 182,799 |  |  |  |  |  | 182,799
Write-offs (note 27) (2) | (1,627) |  | (12,021) |  | (15,118) |  | (27) |  | (82,136) |  |  |  | (6,590) |  | (117,519)
Depreciation (note 26) |  |  | (282,612) |  | (2,600,210) |  | (10,245) |  |  |  | (165,952) |  | (69,220) |  | (3,128,239)
Transfers to other asset categories | 3,025 |  | 347,730 |  | 3,250,098 |  | 13,901 |  | (3,737,635) |  |  |  | 122,881 |  |
Transfer between groups - intangible assets and investment property | (6,637) |  | (21,528) |  | 3,420 |  | 101 |  | (13,979) |  |  |  | 42 |  | (38,581)
Right of use - Remesurement |  |  |  |  |  |  |  |  |  |  | 124,310 |  |  |  | 124,310
Mazet Acquisition | 591 |  | 9,468 |  | 8,281 |  | 391 |  |  |  |  |  | 814 |  | 19,545
Others |  |  | 175 |  | 1,527 |  |  |  | 13,353 |  |  |  |  |  | 15,055
Balance at December 31, 2023 | 525,307 |  | 4,532,319 |  | 17,419,522 |  | 45,917 |  | 4,425,130 |  | 674,786 |  | 304,477 |  | 27,927,458
Cost | 525,307 |  | 9,110,694 |  | 39,597,174 |  | 297,916 |  | 4,425,130 |  | 1,126,977 |  | 860,818 |  | 55,944,016
Accumulated depreciation |  |  | (4,578,375) |  | (22,177,652) |  | (251,999) |  |  |  | (452,191) |  | (556,341) |  | (28,016,558)
Balance at December 31, 2023 | 525,307 |  | 4,532,319 |  | 17,419,522 |  | 45,917 |  | 4,425,130 |  | 674,786 |  | 304,477 |  | 27,927,458
|  | (*) Refer substantially to assets for railway use, such as yards, rails, mines, and railroad materials;
(**) |  | Advances in business expansion projects stand out, mainly Expansion of the port in Itaguaí and Casa de Pedra, Itabirito Project, Recovery of tailings from dams, Projects for new integrated Cement Plants and repairs to coke batteries in Presidente Vargas Plant.
(1) |  | The capitalized borrowing costs are basically determined for the projects in Steel and Mining and refer substantially, to: - CSN: Technological updates and acquisition of new equipment for maintenance of the production capacity of UPV Plant (RJ); - CSN Mineração: Expansion of Casa de Pedra (MG) and TECAR (RJ).
(2) |  | In September 2023, CEEE-G sold its stake in Consórcio Machadinho, and the write-off of the related assets was recognized in the amount of R$22,326, in other operating expenses (see note 27).
| (i) | Right of use
Below the movements of the right of use:
Schedule of the right of use |  |  |  |  |  |  |  |  |
|  |  |  |  |  |  |  |  | Consolidated
| Land |  | Buildings and Infrastructure |  | Machinery, equipment and facilities |  | Others |  | Total
Balance at December 31, 2021 | 439,285 |  | 68,145 |  | 53,759 |  | 20,635 |  | 581,824
Cost | 500,826 |  | 94,196 |  | 99,103 |  | 60,483 |  | 754,608
Accumulated depreciation | (61,541) |  | (26,051) |  | (45,344) |  | (39,848) |  | (172,784)
Balance at December 31, 2021 | 439,285 |  | 68,145 |  | 53,759 |  | 20,635 |  | 581,824
Effect of foreign exchange differences |  |  | (360) |  | (62) |  | (602) |  | (1,024)
Addition | 2,520 |  | 2,042 |  | 4,191 |  | 17,465 |  | 26,218
Remesurement | 45,410 |  | 8,325 |  | 38,430 |  | 7,563 |  | 99,728
Consolidation of acquired companies |  |  | 1,092 |  | 35,511 |  | 6,669 |  | 43,272
Depreciation | (22,153) |  | (16,726) |  | (48,142) |  | (17,361) |  | (104,382)
Write-offs |  |  |  |  | (754) |  |  |  | (754)
Transfers to other asset categories | (14) |  | (87) |  | 228 |  | (127) |  |
Others |  |  |  |  |  |  | (2) |  | (2)
Balance at December 31, 2022 | 465,048 |  | 62,431 |  | 83,161 |  | 34,240 |  | 644,880
Cost | 548,756 |  | 107,782 |  | 277,865 |  | 123,164 |  | 1,057,567
Accumulated depreciation | (83,708) |  | (45,351) |  | (194,704) |  | (88,924) |  | (412,687)
Balance at December 31, 2022 | 465,048 |  | 62,431 |  | 83,161 |  | 34,240 |  | 644,880
Effect of foreign exchange differences |  |  | (503) |  | (340) |  | (824) |  | (1,667)
Addition | 65,081 |  | 4,400 |  |  |  | 3,734 |  | 73,215
Remesurement | 16,704 |  | 37,506 |  | 64,755 |  | 5,345 |  | 124,310
Depreciation | (31,751) |  | (18,116) |  | (97,181) |  | (18,904) |  | (165,952)
Transfers to other asset categories | (2,159) |  | 339 |  | 3,754 |  | (1,934) |  |
Balance at December 31, 2023 | 512,923 |  | 86,057 |  | 54,149 |  | 21,657 |  | 674,786
Cost | 629,004 |  | 143,926 |  | 254,640 |  | 99,407 |  | 1,126,977
Accumulated depreciation | (116,081) |  | (57,869) |  | (200,491) |  | (77,750) |  | (452,191)
Balance at December 31, 2023 | 512,923 |  | 86,057 |  | 54,149 |  | 21,657 |  | 674,786
The average estimated useful lives are as follows (in years):
Schedule of average estimated useful lives |  |  |
|  |  | Consolidated
| 12/31/2023 |  | 12/31/2022
Buildings and Infrastructure | 33 |  | 34
Machinery, equipment and facilities | 20 |  | 18
Furniture and fixtures | 11 |  | 12
Others | 10 |  | 9
Accounting Policy
Property, plant and equipment are carried at cost of acquisition, formation or construction, minus accumulated depreciation or depletion and any impairment loss. Depreciation is calculated using the straight-line method based on the remaining useful life of assets or the term of the contract, whichever is shorter. The depletion of mines is calculated based on the quantity of ore mined. Land is not depreciated since their useful life is considered indefinite. All other disbursements are expensed as incurred.
| · | Capitalized interest
Borrowing costs directly attributable to the acquisition, construction and or production of qualifying assets are capitalized as part of the cost of the asset when it is probable that they will result in future economic benefits and on which date they are ready to determine their functions in the manner intended by the Company.
| · | Development costs of new ore deposits
Costs for the development of new ore deposits, or for the expansion of the capacity of the mines in operation are capitalized and amortized by the method of units produced (extracted) based on the probable and proven quantities of ore.
| · | Exploration expenses
Exploration expenses are recognized as expenses until the viability of the mining activity is established; after that period, subsequent costs are capitalized.
| · | Waste removal costs
Expenses incurred during the development phase of a mine, prior to the production phase, are accounted for as part of the depreciable development costs. Subsequently, these costs are amortized over the useful life of the mine on the basis of probable and proven reserves.
| · | Stripping costs
The stripping costs incurred in the production phase are added to the stock value, except when a specific extraction campaign is carried out to access deeper deposits of the deposit. In this case, costs are capitalized and classified in non-current assets and are amortized over the useful life of the deposit.

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