Pension Plans, Postretirement and Other Employee Benefits (Tables)

9 Months Ended

Sep. 30, 2011

Pension Plans, Postretirement and Other Employee Benefits [Abstract]

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

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

	Nine Months Ended September 30,
	Pension												Postretirement
	2011						2010						2011			2010
	US			Foreign			US			Foreign			US			US
	(Millions)
Service cost — benefits earned during the period	$	1		$	5		$	1		$	4		$	—		$	1
Interest cost		15			15			15			14			6			6
Expected return on plan assets		(17	)		(15	)		(15	)		(15	)		—			—
Settlement loss		—			—			4			—			—			—
Net amortization:
Actuarial loss		3			4			2			3			3			4
Prior service cost (credit)		—			1			—			1			(4	)		(5	)
Net pension and postretirement costs	$	2		$	10		$	7		$	7		$	5		$	6