Retirement Programs (Tables)

3 Months Ended

Mar. 31, 2012

Retirement Programs Table [Abstract]

Retirement Programs Table

The components of net pension and postretirement benefits other than pensions ("OPEB") costs for the quarters ended March 31, 2012 and 2011 are shown below:
	Quarter Ended March 31,
	Pensions		OPEB
(Millions of dollars)	2012	2011	2012	2011
Service cost	$ 13	$ 11	$ 1	$ 1
Interest cost	31	31	3	4
Expected return on plan assets	(39)	(38)	-	-
Net amortization and deferral	17	11	(1)	(2)
Net periodic benefit cost	$ 22	$ 15	$ 3	$ 3