Employee Benefits (Tables)

9 Months Ended

Sep. 30, 2012

Compensation and Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Cost

The components of net periodic benefit costs for 2012 and 2011 are as follows:

	Three Months Ended September 30						Nine Months Ended September 30
	2012			2011			2012			2011
	(Millions of dollars)
Pension Benefits
United States
Service cost	$	113		$	94		$	339		$	281
Interest cost	109			116			327			347
Expected return on plan assets	(158		)	(154		)	(475		)	(460		)
Amortization of prior service credits	(2		)	(2		)	(6		)	(6		)
Amortization of actuarial losses	117			77			352			232
Settlement losses	65			52			204			196
Total United States	244			183			741			590
International
Service cost	45			44			135			132
Interest cost	79			81			241			243
Expected return on plan assets	(67		)	(71		)	(201		)	(208		)
Amortization of prior service costs	5			3			14			15
Amortization of actuarial losses	32			23			102			79
Curtailment losses	—			—			—			36
Total International	94			80			291			297
Net Periodic Pension Benefit Costs	$	338		$	263		$	1,032		$	887
Other Benefits*
Service cost	$	16		$	14		$	46		$	44
Interest cost	37			46			114			136
Amortization of prior service credits	(18		)	(18		)	(54		)	(54		)
Amortization of actuarial losses	13			17			42			48
Settlement gains	—			—			(26		)	—
Net Periodic Other Benefit Costs	$	48		$	59		$	122		$	174

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* 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.