Pension Plans, Postretirement and Other Employee Benefits (Tables)

6 Months Ended

Jun. 30, 2011

Pension Plans, Postretirement and Other Employee Benefits [Abstract]

Net periodic pension costs (income) and postretirement benefit costs (income)

	Three Months Ended June 30,
	Pension												Postretirement
	2011						2010						2011			2010
	US			Foreign			US			Foreign			US			US
	(Millions)
Service cost — benefits earned during the period	$	—		$	1		$	—		$	2		$	—		$	1
Interest cost		5			5			5			4			2			2
Expected return on plan assets		(6	)		(5	)		(5	)		(5	)		—			—
Net amortization:
Actuarial loss		1			2			1			1			1			1
Prior service cost (credit)		—			1			—			1			(2	)		(2	)
Net pension and postretirement costs	$	—		$	4		$	1		$	3		$	1		$	2

	Six Months Ended June 30,
	Pension												Postretirement
	2011						2010						2011			2010
	US			Foreign			US			Foreign			US			US
	(Millions)
Service cost — benefits earned during the period	$	—		$	3		$	—		$	3		$	—		$	1
Interest cost		10			10			10			9			4			4
Expected return on plan assets		(11	)		(10	)		(10	)		(10	)		—			—
Net amortization:
Actuarial loss		2			3			2			2			2			2
Prior service cost (credit)		—			1			—			1			(3	)		(3	)
Net pension and postretirement costs	$	1		$	7		$	2		$	5		$	3		$	4