Employee Benefits (Tables)

3 Months Ended

Mar. 31, 2012

Employee Benefits [Abstract]

Components of Net Periodic Benefit Cost

	Three Months Ended March  31
	2012				2011
	(Millions of dollars)
Pension Benefits
United States
Service cost		$	113			$	94
Interest cost			109				116
Expected return on plan assets			(159	)			(153	)
Amortization of prior service credits			(2	)			(2	)
Amortization of actuarial losses			118				77
Settlement losses			74				91
Total United States			253				223
International
Service cost			44				45
Interest cost			79				82
Expected return on plan assets			(66	)			(71	)
Amortization of prior service costs			5				6
Amortization of actuarial losses			33				26
Curtailment losses			—				27
Total International			95				115
Net Periodic Pension Benefit Costs		$	348			$	338
Other Benefits*
Service cost		$	15			$	14
Interest cost			39				45
Amortization of prior service credits			(18	)			(18	)
Amortization of actuarial losses			15				16
Settlement gains			(26	)			—
Net Periodic Other Benefit Costs		$	25			$	57

* Includes costs for U.S. and international OPEB plans. Obligations for plans outside the U.S. are not significant relative to the company’s total OPEB obligation.