Employee Benefits (Tables)

3 Months Ended

Mar. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Cost

The components of net periodic benefit costs for 2013 and 2012 are as follows:

	Three Months Ended March 31
	2013			2012
	(Millions of dollars)
Pension Benefits
United States
Service cost	$	124		$	113
Interest cost	118			109
Expected return on plan assets	(175		)	(159		)
Amortization of prior service credits	—			(2		)
Amortization of actuarial losses	121			118
Settlement losses	57			74
Total United States	245			253
International
Service cost	48			44
Interest cost	77			79
Expected return on plan assets	(68		)	(66		)
Amortization of prior service costs	5			5
Amortization of actuarial losses	36			33
Total International	98			95
Net Periodic Pension Benefit Costs	$	343		$	348
Other Benefits*
Service cost	$	18		$	15
Interest cost	40			39
Amortization of prior service credits	(12		)	(18		)
Amortization of actuarial losses	13			15
Settlement gains	—			(26		)
Net Periodic Other Benefit Costs	$	59		$	25

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