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Supplemental Income Statement Information (Tables)
 12 Months Ended
Dec. 31, 2017
Supplemental Income Statement Information  
Schedule of other expense (income)

 

 

 

 

 

 

 

 

 

 

 

(Millions)

 

2017

 

2016

 

2015

 

Interest expense

 

$

322

 

$

199

 

$

149

 

Interest income

 

 

(50)

 

 

(29)

 

 

(26)

 

Total

 

$

272

 

$

170

 

$

123