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2308301 - Disclosure - Asset Retirement Obligations (Tables)
(http://www.valero.com/role/AssetRetirementObligationsTables)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Asset Retirement Obligation Disclosure [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
Asset Retirement Obligation Disclosure [Abstract]
 
Changes in asset retirement obligations
Changes in our asset retirement obligations were as follows (in thousands):
 
 
 
December 31,
 
 
 
2016
 
2015
 
2014
Balance as of beginning of year
 
$
1,021

 
$
975

 
$
931

Accretion expense
 
48

 
46

 
44

Balance as of end of year
 
$
1,069

 
$
1,021

 
$
975