Employee Separation Charges (Tables)

3 Months Ended

Mar. 31, 2013

Employee separation charges [Abstract]

Summary of separation activity

The following table summarizes the 2012 and 2013 separation activity:

(Millions of dollars)
	Total
Liability balance at December 31, 2011	$	90
Increase in liability (separation charges)	94
Reduction in liability (payments and other adjustments)	(155		)
Liability balance at December 31, 2012	$	29
Increase in liability (separation charges)	7
Reduction in liability (payments and other adjustments)	(11		)
Liability balance at March 31, 2013	$	25