XML 110 R99.htm IDEA: XBRL DOCUMENT v3.19.1
11. INTANGIBLE ASSETS (Details 2) - BRL (R$)
R$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Disclosure of detailed information about intangible assets [line items]    
Goodwill R$ 3,590,931 R$ 3,590,931
Trademarks 150,009 134,137
Total 3,740,940 3,725,068
Packaging    
Disclosure of detailed information about intangible assets [line items]    
Goodwill 158,748 158,748
Trademarks
Total 158,748 158,748
Long steel    
Disclosure of detailed information about intangible assets [line items]    
Goodwill 235,595 235,595
Trademarks 150,009 134,137
Total 385,604 369,732
Mining    
Disclosure of detailed information about intangible assets [line items]    
Goodwill 3,196,588 3,196,588
Trademarks
Total R$ 3,196,588 R$ 3,196,588