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Financing Arrangements (Tables)
6 Months Ended
Jun. 30, 2017
Financing Arrangements [Abstract]  
Schedule of Notes Payable
The following table summarizes the carrying value of notes payable at June 30, 2017 and December 31, 2016, respectively.
Millions of dollars
 
June 30, 2017
 
December 31, 2016
Commercial paper
 
966

 

Short-term borrowings to banks
 
145

 
34

Total notes payable
 
$
1,111

 
$
34