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25 SEGMENT INFORMATION (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | R$ 25,436,417 | R$ 22,968,885 | R$ 18,524,601
Cost of sales and/or services |  | 17,263,264 | 16,105,657 | 13,596,141
Gross profit |  | 8,173,153 | 6,863,228 | 4,928,460
General and administrative expenses |  | (2,853,870) | (2,757,711) | (2,230,948)
Depreciation |  | 1,421,704 | 1,175,107 | 1,408,765
Proportionate EBITDA of joint ventures |  | 510,072 | 568,045 | 538,170
Adjusted EBITDA |  | 7,251,059 | 5,848,669 | 4,644,447
Domestic Market [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 10,950,701 | 11,353,437 | 8,706,466
Foreign Market [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 14,485,716 | 11,615,448 | 9,818,135
Asia [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 8,209,796 | 5,760,314 | 4,501,551
North America [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 767,977 | 1,506,041 | 2,009,337
Latin America [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 169,036 | 369,830 | 506,951
Europe [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 5,336,861 | 3,921,035 | 2,762,524
Others [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 2,046 | 58,228 | 37,772
Steel[Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Metric tons (Thou.) | [1] | 4,524,805 | 5,068,758 | 4,921,719
Net revenues |  | 13,949,032 | 15,634,143 | 12,959,023
Cost of sales and/or services |  | 12,962,861 | 12,613,216 | 10,537,547
Gross profit |  | 986,171 | 3,020,927 | 2,421,476
General and administrative expenses |  | (834,977) | (984,980) | (963,822)
Depreciation |  | 700,074 | 609,274 | 658,587
Adjusted EBITDA |  | 851,268 | 2,645,221 | 2,116,241
Steel[Member] | Domestic Market [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 10,027,999 | 10,328,372 | 7,818,552
Steel[Member] | Foreign Market [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 3,921,033 | 5,305,771 | 5,140,471
Steel[Member] | Asia [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 2,980 | 40,681 | 23,364
Steel[Member] | North America [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 767,977 | 1,506,041 | 2,009,337
Steel[Member] | Latin America [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 169,036 | 369,830 | 506,951
Steel[Member] | Europe [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 2,978,994 | 3,330,991 | 2,564,823
Steel[Member] | Others [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 2,046 | 58,228 | 35,996
Mining [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Metric tons (Thou.) | [1] | 38,545,067 | 34,780,756 | 32,576,843
Net revenues |  | 10,027,649 | 5,984,781 | 4,620,971
Cost of sales and/or services |  | 4,396,247 | 3,585,691 | 3,005,840
Gross profit |  | 5,631,402 | 2,399,090 | 1,615,131
General and administrative expenses |  | (186,189) | (144,754) | (158,958)
Depreciation |  | 476,374 | 366,547 | 490,805
Adjusted EBITDA |  | 5,921,587 | 2,620,883 | 1,946,978
Mining [Member] | Domestic Market [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 926,836 | 972,360 | 829,268
Mining [Member] | Foreign Market [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 9,100,813 | 5,012,421 | 3,791,703
Mining [Member] | Asia [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 6,742,946 | 4,422,377 | 3,592,226
Mining [Member] | Europe [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 2,357,867 | 590,044 | 197,701
Mining [Member] | Others [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  |  |  | 1,776
Logistics [Member] | Port [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 240,451 | 266,378 | 238,240
Cost of sales and/or services |  | 173,344 | 189,999 | 156,997
Gross profit |  | 67,107 | 76,379 | 81,243
General and administrative expenses |  | (34,560) | (35,423) | (27,943)
Depreciation |  | 30,568 | 20,368 | 15,752
Adjusted EBITDA |  | 63,115 | 61,324 | 69,052
Logistics [Member] | Port [Member] | Domestic Market [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 240,451 | 266,378 | 238,240
Logistics [Member] | Railroads [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 1,321,355 | 1,506,114 | 1,416,612
Cost of sales and/or services |  | 1,030,210 | 1,049,071 | 1,024,696
Gross profit |  | 291,145 | 457,043 | 391,916
General and administrative expenses |  | (109,770) | (106,412) | (94,921)
Depreciation |  | 387,565 | 258,985 | 294,571
Adjusted EBITDA |  | 568,940 | 609,616 | 591,566
Logistics [Member] | Railroads [Member] | Domestic Market [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 1,321,355 | 1,506,114 | 1,416,612
Energy [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 325,343 | 410,606 | 407,671
Cost of sales and/or services |  | 266,754 | 286,734 | 285,085
Gross profit |  | 58,589 | 123,872 | 122,586
General and administrative expenses |  | (29,034) | (27,948) | (27,098)
Depreciation |  | 17,471 | 17,285 | 17,265
Adjusted EBITDA |  | 47,026 | 113,209 | 112,753
Energy [Member] | Domestic Market [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 325,343 | 410,606 | 407,671
Cement [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 570,805 | 588,230 | 487,129
Cost of sales and/or services |  | 607,719 | 544,266 | 512,762
Gross profit |  | (36,914) | 43,964 | (25,633)
General and administrative expenses |  | (91,466) | (95,893) | (80,823)
Depreciation |  | 139,667 | 115,411 | 121,801
Adjusted EBITDA |  | 11,287 | 63,482 | 15,345
Cement [Member] | Domestic Market [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 570,805 | 588,230 | 487,129
Corporate expenses/elimination [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Metric tons (Thou.) | [1] | (3,258,923) | (4,961,345) | (5,359,571)
Net revenues |  | (998,218) | (1,421,367) | (1,605,045)
Cost of sales and/or services |  | (2,173,871) | (2,163,320) | (1,926,786)
Gross profit |  | 1,175,653 | 741,953 | 321,741
General and administrative expenses |  | (1,567,874) | (1,362,301) | (877,383)
Depreciation |  | (330,015) | (212,763) | (190,016)
Proportionate EBITDA of joint ventures |  | 510,072 | 568,045 | 538,170
Adjusted EBITDA |  | (212,164) | (265,066) | (207,488)
Corporate expenses/elimination [Member] | Domestic Market [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | (2,462,088) | (2,718,623) | (2,491,006)
Corporate expenses/elimination [Member] | Foreign Market [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | 1,463,870 | 1,297,256 | 885,961
Corporate expenses/elimination [Member] | Asia [Member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Net revenues |  | R$ 1,463,870 | R$ 1,297,256 | R$ 885,961
[1] | The ore sales volumes presented in this note take into consideration Company sales and the interest in its subsidiaries and joint ventures.

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