RETIREMENT BENEFITS PLANS

The components of retirement benefits expense follow:



	Three months ended June 30
	United States pension benefit expense						Non-United States pension benefit expense						Other postretirement benefits expense
	2013			2012			2013			2012			2013			2012
Service cost	$	32		$	29		$	15		$	12		$	5		$	4
Interest cost	37			33			19			19			8			10
Expected return on plan assets	(56		)	(45		)	(21		)	(19		)	(1		)	(2		)
Amortization	33			29			7			4			4			3
	46			46			20			16			16			15
Settlement loss	10			5			—			—			—			—
Total expense	$	56		$	51		$	20		$	16		$	16		$	15



	Six months ended June 30
	United States pension benefit expense						Non-United States pension benefit expense						Other postretirement benefits expense
	2013			2012			2013			2012			2013			2012
Service cost	$	64		$	58		$	30		$	24		$	10		$	8
Interest cost	74			67			39			38			17			19
Expected return on plan assets	(113		)	(90		)	(42		)	(38		)	(3		)	(3		)
Amortization	66			58			14			8			7			7
	91			93			41			32			31			31
Settlement loss	16			9			—			2			—			—
Total expense	$	107		$	102		$	41		$	34		$	31		$	31