Pension Plans, Postretirement and Other Employee Benefits (Details) (USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
United States Pension Plans of US Entity, Defined Benefit [Member]
Pension Costs/Postretirement Costs
Service cost-benefits earned during the period	$ 1	$ 1	$ 1	$ 1
Interest cost	5	5	15	15
Expected return on plan assets	(6)	(5)	(17)	(15)
Settlement Loss		4		4
Net amortization:
Actuarial loss	1		3	2
Prior service cost (credit)			0
Net pension and postretirement costs	1	5	2	7
United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member]
Pension Costs/Postretirement Costs
Service cost-benefits earned during the period	0		0	1
Interest cost	2	2	6	6
Expected return on plan assets	0		0
Settlement Loss	0		0
Net amortization:
Actuarial loss	1	2	3	4
Prior service cost (credit)	(1)	(2)	(4)	(5)
Net pension and postretirement costs	2	2	5	6
Foreign Pension Plans, Defined Benefit [Member]
Pension Costs/Postretirement Costs
Service cost-benefits earned during the period	2	1	5	4
Interest cost	5	5	15	14
Expected return on plan assets	(5)	(5)	(15)	(15)
Net amortization:
Actuarial loss	1	1	4	3
Prior service cost (credit)	0		1	1
Net pension and postretirement costs	$ 3	$ 2	$ 10	$ 7