Restructuring Costs (Tables)

6 Months Ended

Jun. 30, 2014

Restructuring Charges [Abstract]

Summary of separation activity

The following table summarizes the 2013 and 2014 employee separation activity:

(Millions of dollars)
	Total
Liability balance at December 31, 2012	$	29
Increase in liability (separation charges)	151
Reduction in liability (payments and other adjustments)	(91		)
Liability balance at December 31, 2013	$	89
Increase in liability (separation charges)	249
Reduction in liability (payments and other adjustments)	(114		)
Liability balance at June 30, 2014	$	224