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Inventories (Tables)
6 Months Ended
Jun. 30, 2019
Inventories [Abstract]  
Inventories

Note 4—Inventories

 

 

 

 

 

 

 

 

 

Inventories consisted of the following:

 

 

 

 

 

 

 

 

 

 

Millions of Dollars

 

June 30

 

December 31

 

 

2019

 

2018

 

 

 

 

 

Crude oil and natural gas

$

481

 

432

Materials and supplies

 

608

 

575

 

$

1,089

 

1,007