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SEGMENT REPORTING - Summary (Details) - BRL (R$) R$ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Segment reporting as per business segments |  |  |  |
Net sales | R$ 43,814,661 | R$ 39,644,010 | R$ 46,159,478 |
Cost of sales | (37,884,102) | (35,440,726) | (40,010,100) |
GROSS PROFIT | 5,930,559 | 4,203,284 | 6,149,378 |
Selling, general and administrative expenses | (1,530,385) | (1,430,456) | (1,652,880) |
Other operating income (expenses) | 1,117,699 | 449,200 | (34,992) |
Impairment of non-financial assets | (411,925) | 0 | 0 |
Impairment of financial assets | (64,132) | (21,044) | (9,914) |
Gains and losses on assets held for sale and sales of interest in subsidiaries | 0 | 0 | (414,507) |
Equity in earnings of unconsolidated companies | 152,569 | (17,050) | 10,141 |
INCOME BEFORE FINANCIAL INCOME (EXPENSES) AND TAXES | 5,194,385 | 3,183,934 | 4,047,226 |
Financial result, net | (1,698,707) | (1,509,214) | (1,889,795) |
INCOME (LOSS) BEFORE TAXES | 3,495,678 | 1,674,720 | 2,157,431 |
Income and social contribution taxes | (1,107,624) | (457,833) | 168,951 |
Net income | 2,388,054 | 1,216,887 | 2,326,382 |
Depreciation/amortization | 2,499,104 | 2,074,295 | 1,891,814 |
Investments in associates and jointly-controlled entities | 2,271,629 | 1,812,399 | 1,367,802 | R$ 1,280,299
Total assets | 63,123,009 | 54,002,970 | 51,281,029 |
Total liabilities | 32,037,799 | 26,829,843 | 25,342,458 |
North America |  |  |  |
Segment reporting as per business segments |  |  |  |
Impairment of non-financial assets | (342,355) |  |  |
Special Steel |  |  |  |
Segment reporting as per business segments |  |  |  |
Impairment of non-financial assets | (69,570) |  |  |
Operating Segments | Brazil |  |  |  |
Segment reporting as per business segments |  |  |  |
Net sales | 17,752,823 | 16,122,171 | 15,745,161 |
Cost of sales | (14,179,991) | (14,363,253) | (13,044,433) |
GROSS PROFIT | 3,572,832 | 1,758,918 | 2,700,728 |
Selling, general and administrative expenses | (562,019) | (539,344) | (569,595) |
Other operating income (expenses) | 31,500 | 295,818 | (33,814) |
Impairment of financial assets | (23,177) | (2,012) | 5,564 |
Equity in earnings of unconsolidated companies | (1,287) | (828) | (1,700) |
INCOME BEFORE FINANCIAL INCOME (EXPENSES) AND TAXES | 3,017,849 | 1,512,552 | 2,101,183 |
Financial result, net | (442,972) | (520,821) | (442,966) |
INCOME (LOSS) BEFORE TAXES | 2,574,877 | 991,731 | 1,658,217 |
Income and social contribution taxes | (652,126) | (214,400) | (410,651) |
Net income | 1,922,751 | 777,331 | 1,247,566 |
Depreciation/amortization | 1,135,294 | 1,008,713 | 951,826 |
Investments in associates and jointly-controlled entities | 10,186 | 11,472 | 3,250 |
Total assets | 21,099,735 | 17,195,824 | 17,473,039 |
Total liabilities | 7,469,541 | 4,686,686 | 8,072,380 |
Operating Segments | North America |  |  |  |
Segment reporting as per business segments |  |  |  |
Net sales | 17,458,318 | 14,656,028 | 19,927,390 |
Cost of sales | (16,212,757) | (13,351,209) | (18,164,834) |
GROSS PROFIT | 1,245,561 | 1,304,819 | 1,762,556 |
Selling, general and administrative expenses | (476,518) | (444,326) | (602,351) |
Other operating income (expenses) | 97,751 | 44,660 | 19,114 |
Impairment of non-financial assets | (342,355) |  |  |
Impairment of financial assets | (36,286) | (14,612) | (5,230) |
Equity in earnings of unconsolidated companies | 23,512 | (110,959) | (77,872) |
INCOME BEFORE FINANCIAL INCOME (EXPENSES) AND TAXES | 511,665 | 779,582 | 1,096,217 |
Financial result, net | (206,405) | (99,029) | (37,351) |
INCOME (LOSS) BEFORE TAXES | 305,260 | 680,553 | 1,058,866 |
Income and social contribution taxes | (178,447) | (188,458) | (224,897) |
Net income | 126,813 | 492,095 | 833,969 |
Depreciation/amortization | 777,369 | 571,015 | 511,154 |
Investments in associates and jointly-controlled entities | 908,338 | 681,807 | 301,271 |
Total assets | 18,583,439 | 15,178,053 | 14,659,926 |
Total liabilities | 5,261,820 | 4,506,771 | 4,935,210 |
Operating Segments | South America |  |  |  |
Segment reporting as per business segments |  |  |  |
Net sales | 3,831,406 | 3,259,253 | 3,801,210 |
Cost of sales | (3,015,189) | (2,762,157) | (3,230,952) |
GROSS PROFIT | 816,217 | 497,096 | 570,258 |
Selling, general and administrative expenses | (116,479) | (119,627) | (132,245) |
Other operating income (expenses) | 16,684 | 17,416 | (11,421) |
Impairment of financial assets | (2,436) | (1,906) | (4,462) |
Equity in earnings of unconsolidated companies | 99,341 | 66,468 | 51,648 |
INCOME BEFORE FINANCIAL INCOME (EXPENSES) AND TAXES | 813,327 | 459,447 | 473,778 |
Financial result, net | (60,787) | (163,459) | (117,270) |
INCOME (LOSS) BEFORE TAXES | 752,540 | 295,988 | 356,508 |
Income and social contribution taxes | (195,440) | (100,341) | (86,667) |
Net income | 557,100 | 195,647 | 269,841 |
Depreciation/amortization | 142,143 | 120,462 | 88,537 |
Investments in associates and jointly-controlled entities | 976,046 | 748,392 | 701,233 |
Total assets | 5,448,922 | 4,562,604 | 4,421,487 |
Total liabilities | 1,360,098 | 996,876 | 1,053,007 |
Operating Segments | Special Steel |  |  |  |
Segment reporting as per business segments |  |  |  |
Net sales | 6,096,471 | 6,701,900 | 8,158,626 |
Cost of sales | (5,794,666) | (6,167,502) | (7,064,608) |
GROSS PROFIT | 301,805 | 534,398 | 1,094,018 |
Selling, general and administrative expenses | (179,822) | (170,170) | (180,251) |
Other operating income (expenses) | 55,097 | 35,571 | 10,081 |
Impairment of non-financial assets | (69,570) |  |  |
Impairment of financial assets | (2,233) | (2,513) | (5,786) |
Equity in earnings of unconsolidated companies | 8,899 | 6,776 | 15,629 |
INCOME BEFORE FINANCIAL INCOME (EXPENSES) AND TAXES | 114,176 | 404,062 | 933,691 |
Financial result, net | (215,433) | (109,116) | (112,109) |
INCOME (LOSS) BEFORE TAXES | (101,257) | 294,946 | 821,582 |
Income and social contribution taxes | 13,229 | (60,749) | (191,386) |
Net income | (88,028) | 234,197 | 630,196 |
Depreciation/amortization | 444,298 | 374,105 | 340,297 |
Investments in associates and jointly-controlled entities | 231,152 | 224,201 | 213,899 |
Total assets | 11,233,676 | 8,597,180 | 8,825,830 |
Total liabilities | 1,994,575 | 1,604,885 | 1,736,085 |
Eliminations and Adjustments |  |  |  |
Segment reporting as per business segments |  |  |  |
Net sales | (1,324,357) | (1,095,342) | (1,472,909) |
Cost of sales | 1,318,501 | 1,203,395 | 1,494,727 |
GROSS PROFIT | (5,856) | 108,053 | 21,818 |
Selling, general and administrative expenses | (195,547) | (156,989) | (168,438) |
Other operating income (expenses) | 916,667 | 55,734 | (18,952) |
Gains and losses on assets held for sale and sales of interest in subsidiaries |  |  | (414,507) |
Equity in earnings of unconsolidated companies | 22,104 | 21,493 | 22,436 |
INCOME BEFORE FINANCIAL INCOME (EXPENSES) AND TAXES | 737,368 | 28,291 | (557,643) |
Financial result, net | (773,110) | (616,789) | (1,180,099) |
INCOME (LOSS) BEFORE TAXES | (35,742) | (588,498) | (1,737,742) |
Income and social contribution taxes | (94,840) | 106,115 | 1,082,552 |
Net income | (130,582) | (482,383) | (655,190) |
Investments in associates and jointly-controlled entities | 145,907 | 146,527 | 148,149 |
Total assets | 6,757,237 | 8,469,309 | 5,900,747 |
Total liabilities | 15,951,765 | 15,034,625 | 9,545,776 |
Eliminations and Adjustments | Brazil |  |  |  |
Segment reporting as per business segments |  |  |  |
Net sales | (1,149,618) | (920,659) | (1,280,770) |
Eliminations and Adjustments | North America |  |  |  |
Segment reporting as per business segments |  |  |  |
Net sales | (60,370) | (62,196) | (84,335) |
Eliminations and Adjustments | South America |  |  |  |
Segment reporting as per business segments |  |  |  |
Net sales | (41) |  | (4,988) |
Eliminations and Adjustments | Special Steel |  |  |  |
Segment reporting as per business segments |  |  |  |
Net sales | R$ (114,328) | R$ (112,487) | R$ (102,816) |

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