XML 179 R152.htm IDEA: XBRL DOCUMENT v3.19.1
Provisions and Contingencies - Breakdown of provisions by nature (Detail) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Summary Of Provisions [line items]    
Provisions by nature, beginning R$ 925,796  
Additions 43,593  
Write-offs (23,376)  
Payments (23,745)  
Interest 20,803  
Provisions by nature, ending 943,071 R$ 925,796
Current 77,822 64,550
Non-current 865,249 861,246
IRPJ and CSLL [member]    
Summary Of Provisions [line items]    
Provisions by nature, beginning 515,829  
Interest 16,512  
Provisions by nature, ending 532,341 515,829
PIS and COFINS [member]    
Summary Of Provisions [line items]    
Provisions by nature, beginning 34,927  
Write-offs (9,536) (109,463)
Interest 880  
Provisions by nature, ending 26,271 34,927
ICMS [member]    
Summary Of Provisions [line items]    
Provisions by nature, beginning 111,784  
Additions 1,470  
Write-offs (8,435)  
Payments (4,468)  
Interest 472  
Provisions by nature, ending 100,823 111,784
Civil, environmental and regulatory claims [member]    
Summary Of Provisions [line items]    
Provisions by nature, beginning 89,296  
Additions 8,867  
Write-offs (3,490)  
Payments (3,780)  
Interest 39  
Provisions by nature, ending 90,932 89,296
Labor litigation [member]    
Summary Of Provisions [line items]    
Provisions by nature, beginning 82,425  
Additions 32,430  
Write-offs (109)  
Payments (15,497)  
Interest 1,924  
Provisions by nature, ending 101,173 82,425
Other [member]    
Summary Of Provisions [line items]    
Provisions by nature, beginning 91,535  
Additions 826  
Write-offs (1,806)  
Interest 976  
Provisions by nature, ending R$ 91,531 R$ 91,535