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Summarized Financial Data - Tengizchevroil LLP (Tables)
3 Months Ended
Mar. 31, 2017
Summarized Financial Data of Affiliate [Abstract]  
Summarized Financial Data - Tengizchevroil LLP
Summarized financial information for 100 percent of TCO is presented in the following table:
 
Three Months Ended
March 31
 
2017
 
2016
 
(Millions of dollars)
   Sales and other operating revenues
$
3,395

 
$
2,260

   Costs and other deductions
1,754

 
1,393

   Net income attributable to TCO
1,158

 
604