XML 58 R47.htm IDEA: XBRL DOCUMENT
v3.19.1

10. PROPERTY, PLANT AND EQUIPMENT (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Property, plant and equipment [abstract] |
Property, plant and equipment |
|  |  |  |  |  |  |  |  |  |  |  |  | Consolidated
| Land |  | Buildings and Infrastructure |  | Machinery, equipment and facilities |  | Furniture and fixtures |  | Construction in progress |  | Other (*) |  | Total
Balance at December 31, 2017 | 279,740 |  | 2,796,947 |  | 11,985,920 |  | 33,103 |  | 2,475,935 |  | 393,194 |  | 17,964,839
Cost | 279,740 |  | 3,819,929 |  | 21,674,362 |  | 164,152 |  | 2,475,935 |  | 669,096 |  | 29,083,214
Accumulated depreciation |  |  | (1,022,982) |  | (9,688,442) |  | (131,049) |  |  |  | (275,902) |  | (11,118,375)
Balance at December 31, 2017 | 279,740 |  | 2,796,947 |  | 11,985,920 |  | 33,103 |  | 2,475,935 |  | 393,194 |  | 17,964,839
Translation adjustment | 7,730 |  | 11,653 |  | 86,553 |  | 543 |  | 4,275 |  | 4,605 |  | 115,359
Acquisitions | 622 |  | 1,259 |  | 144,499 |  | 1,574 |  | 1,158,788 |  | 21,152 |  | 1,327,894
Capitalized interest (notes 25 and 30) |  |  |  |  |  |  |  |  | 71,611 |  |  |  | 71,611
Write-off and estimated losses, net of reversal (note 24) |  |  | (9,768) |  | (21,468) |  | (6) |  | (4,348) |  | (2,655) |  | (38,245)
Depreciation (note 23) |  |  | (134,534) |  | (1,043,188) |  | (5,394) |  |  |  | (22,456) |  | (1,205,572)
Transfers to other asset categories |  |  | 30,031 |  | 685,005 |  | 891 |  | (424,443) |  | (291,484) |  |
Write-off - sale of subsidiary LLC | (238) |  | (16,950) |  | (145,958) |  | (181) |  | (6,070) |  | (21,829) |  | (191,226)
Transfers to intangible assets |  |  |  |  | 5,559 |  |  |  | (1,752) |  |  |  | 3,807
Others |  |  |  |  | (9,651) |  |  |  | 8,440 |  | (392) |  | (1,603)
Balance as of December 31, 2018 | 287,854 |  | 2,678,638 |  | 11,687,271 |  | 30,530 |  | 3,282,436 |  | 80,135 |  | 18,046,864
Cost | 287,854 |  | 3,751,429 |  | 22,426,782 |  | 165,331 |  | 3,282,436 |  | 355,768 |  | 30,269,600
Accumulated depreciation |  |  | (1,072,791) |  | (10,739,511) |  | (134,801) |  |  |  | (275,633) |  | (12,222,736)
Balance as of December 31, 2018 | 287,854 |  | 2,678,638 |  | 11,687,271 |  | 30,530 |  | 3,282,436 |  | 80,135 |  | 18,046,864
Construction in progress |
|  |  |  |  |  |  |  | Consolidated
|  | Project description |  | Start date |  | Completion date |  | 12/31/2018 |  | 12/31/2017
Logistics |  |  |  |  |  |  |  |  |  |
|  | Current investments for maintenance of current operations. |  |  |  |  |  | 89,595 |  | 106,956
|  |  |  |  |  |  |  | 89,595 |  | 106,956
Mining |  |  |  |  |  |  |  |  |  |
|  | Expansion of Casa de Pedra Mine capacity production. |  | 2007 |  | 2020 | (1) | 844,194 |  | 750,999
|  | Expansion of TECAR export capacity. |  | 2009 |  | 2022 | (2) | 289,298 |  | 275,811
|  | Current investments for maintenance of current operations. |  |  |  |  |  | 725,616 |  | 408,522
|  |  |  |  |  |  |  | 1,859,108 |  | 1,435,332
Steel |  |  |  |  |  |  |  |  |  |
|  | Supply of 16 torpedo’s cars for operation in the steel industry |  | 2008 |  | 2020 |  | 94,920 |  | 99,483
|  | Current investments for maintenance of current operations. |  |  |  |  | (3) | 558,922 |  | 228,029
|  |  |  |  |  |  |  | 653,842 |  | 327,512
Cement |  |  |  |  |  |  |  |  |  |
|  | Construction of cement plants. |  | 2011 |  | 2023 | (4) | 585,163 |  | 554,865
|  | Current investments for maintenance of current operations. |  |  |  |  |  | 94,728 |  | 51,270
|  |  |  |  |  |  |  | 679,891 |  | 606,135
Construction in progress |  |  |  |  |  | 3,282,436 |  | 2,475,935
Estimated useful lives |
|  |  | Consolidated
| 12/31/2018 |  | 12/31/2017
Buildings | 38 |  | 39
Machinery, equipment and facilities | 22 |  | 21
Furniture and fixtures | 11 |  | 12
Others | 15 |  | 17
Capitalize borrowing costs rates |
Rates |  | 12/31/2018 |  | 12/31/2017
Unspecified projects |  | 6.31% |  | 8.63%

X
- References No definition available. + Details
Name: | SID_SummaryOfCapitalizeBorrowingCostsRatesTableTextBlock
Namespace Prefix: | SID_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | SID_SummaryOfConstructionInProgressTableTextBlock
Namespace Prefix: | SID_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | SID_SummaryOfEstimatedUsefulLivesTableTextBlock
Namespace Prefix: | SID_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | SID_SummaryOfPropertyPlantAndEquipmentTableTextBlock
Namespace Prefix: | SID_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_PropertyPlantAndEquipmentAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration