Postretirement benefit plans (Tables)

9 Months Ended

Sep. 30, 2012

Compensation and Retirement Disclosure [Abstract]

Components of net periodic employee benefit cost

Components of net periodic employee benefit cost are as follows:

	U.S. Defined Benefit						U.S. Retiree Health Care						Non-U.S. Defined Benefit
For Three Months Ended September 30,	2012			2011			2012			2011			2012			2011
Service cost	$	6		$	6		$	1		$	1		$	10		$	9
Interest cost	11			11			6			6			19			16
Expected return on plan assets	(12		)	(11		)	(6		)	(5		)	(20		)	(20		)
Amortization of prior service cost (credit)	—			—			1			1			(1		)	(1		)
Recognized net actuarial loss	4			6			4			3			10			10
Net periodic benefit cost	$	9		$	12		$	6		$	6		$	18		$	14
Settlement charges (credits)	—			—			—			—			(144		)	—
Total, including charges	$	9		$	12		$	6		$	6		$	(126	)	$	14

	U.S. Defined Benefit						U.S. Retiree Health Care						Non-U.S. Defined Benefit
For Nine Months Ended September 30,	2012			2011			2012			2011			2012			2011
Service cost	$	18		$	17		$	4		$	3		$	29		$	27
Interest cost	33			34			18			19			58			48
Expected return on plan assets	(37		)	(34		)	(18		)	(16		)	(59		)	(59		)
Amortization of prior service cost (credit)	1			1			3			2			(3		)	(3		)
Recognized net actuarial loss	12			17			10			9			34			29
Net periodic benefit cost	$	27		$	35		$	17		$	17		$	59		$	42
Curtailment charges (credits)	—			—			(1		)	—			—			—
Settlement charges (credits)	—			—			—			—			(144		)	—
Special termination benefit charges (credits)	(2		)	—			—			—			—			—
Total, including charges	$	25		$	35		$	16		$	17		$	(85	)	$	42