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Financing Arrangements (Tables)
3 Months Ended
Mar. 31, 2020
Debt Disclosure [Abstract]  
Schedule of Notes Payable
The following table summarizes the carrying value of notes payable at March 31, 2020 and December 31, 2019:
Millions of dollars
 
March 31, 2020
 
December 31, 2019
Commercial paper
 
$
197

 
$
274

Short-term borrowings due to banks
 
2,195

 
20

Total notes payable
 
$
2,392

 
$
294