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Impairments
12 Months Ended
Dec. 31, 2016
Impairment Of Long Lived Assets Abstract [Abstract]  
Impairments
Impairments

During 2016, 2015 and 2014, we recognized the following before-tax impairment charges:
 
 
Millions of Dollars
 
2016

 
2015

 
2014

 
 
 
 
 
 
Midstream
$
3

 
1

 

Refining
2

 
3

 
147

Marketing and Specialties

 
3

 
3

 
$
5

 
7

 
150



In 2014, we recorded a $131 million held-for-use impairment in our Refining segment related to the Whitegate Refinery in Ireland, due to the then current and forecasted negative market conditions in that region. In addition, we also recorded a $12 million held-for-sale impairment in our Refining segment related to the Bantry Bay terminal. See Note 6—Assets Held for Sale or Sold for additional information.