Employee Benefits (Tables)

6 Months Ended

Jun. 30, 2016

Compensation and Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Cost

The components of net periodic benefit costs for 2016 and 2015 are as follows:

	Three Months Ended June 30						Six Months Ended June 30
	2016			2015			2016			2015
	(Millions of dollars)
Pension Benefits
United States
Service cost	$	124		$	134		$	247		$	269
Interest cost	94			125			188			251
Expected return on plan assets	(180		)	(196		)	(361		)	(392		)
Amortization of prior service credits	(2		)	(2		)	(4		)	(4		)
Amortization of actuarial losses	83			89			167			178
Settlement losses	81			54			162			108
Total United States	200			204			399			410
International
Service cost	43			49			83			94
Interest cost	63			72			130			141
Expected return on plan assets	(61		)	(65		)	(123		)	(130		)
Amortization of prior service costs	6			6			10			11
Amortization of actuarial losses	12			23			23			41
Settlement losses	17			—			17			—
Total International	80			85			140			157
Net Periodic Pension Benefit Costs	$	280		$	289		$	539		$	567
Other Benefits*
Service cost	$	15		$	18		$	30		$	36
Interest cost	32			37			64			75
Amortization of prior service costs	4			4			7			7
Amortization of actuarial losses	5			8			10			17
Net Periodic Other Benefit Costs	$	56		$	67		$	111		$	135

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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.