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Miscellaneous financial information (Tables)
12 Months Ended
Dec. 31, 2014
Inventories of Crude Oil and Products

Inventories of crude oil and products at year-end consisted of the following:

 

millions of dollars

2014       2013  

Crude oil

  650          628   

Petroleum products

  409          340   

Chemical products

  53          54   

Natural gas and other

  9          8   

Total inventories of crude oil and products

  1,121          1,030