Employee Benefit (Tables)

6 Months Ended

Jun. 30, 2011

Employee Benefits [Abstract]

Components of net periodic benefit cost and amounts recognized in other comprehensive income

	Three Months Ended						Six Months Ended
	June 30						June 30
	2011			2010			2011			2010
	(Millions of dollars)
Pension Benefits
United States
Service cost	$	93		$	84		$	187		$	168
Interest cost		115			121			231			243
Expected return on plan assets		(153	)		(134	)		(306	)		(269	)
Amortization of prior service credits		(2	)		(2	)		(4	)		(4	)
Amortization of actuarial losses		78			79			155			159
Settlement losses		53			55			144			110
Total United States		184			203			407			407
International
Service cost		43			40			88			76
Interest cost		80			79			162			152
Expected return on plan assets		(66	)		(62	)		(137	)		(120	)
Amortization of prior service costs		6			6			12			11
Amortization of actuarial losses		30			26			56			50
Curtailment losses		9			—			36			—
Total International		102			89			217			169
Net Periodic Pension Benefit Costs	$	286		$	292		$	624		$	576
Other Benefits*
Service cost	$	16		$	9		$	30		$	19
Interest cost		45			43			90			86
Amortization of prior service credits		(18	)		(19	)		(36	)		(37	)
Amortization of actuarial losses		15			7			31			13
Net Periodic Other Benefit Costs	$	58		$	40		$	115		$	81

*  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.