XML 32 R25.htm IDEA: XBRL DOCUMENT v3.8.0.1
19. Provision for Asset Retirement Obligation - Fuel Tanks
12 Months Ended
Dec. 31, 2017
Provision For Asset Retirement Obligation - Fuel Tanks  
Provision for Asset Retirement Obligation - Fuel Tanks

The provision corresponds to the legal obligation to remove Ipiranga’s underground fuel tanks located at Ipiranga-branded service stations after a certain use period (see Note 2.m).

 

Changes in the provision for asset retirement obligation are as follows:

 

  2017   2016   2015
Initial balance 77,564   74,716   70,802
Additions (new tanks) 537   483   625
Expense with tanks removed (15,432)   (2,785)   (3,949)
Accretion expense 2,105   5,150   7,238
Final balance 64,774   77,564   74,716
           
Current 4,799   4,563   5,232
Non-current 59,975   73,001   69,484