Pension Plans, Postretirement and Other Employee Benefits (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
United States Pension Plans of US Entity, Defined Benefit [Member]
Pension Costs
Interest cost	$ 5	$ 5	$ 10	$ 10
Expected return on plan assets	(6)	(5)	(11)	(10)
Net amortization:
Actuarial loss	1	1	2	2
Net pension and postretirement costs		1	1	2
Foreign Pension Plans, Defined Benefit [Member]
Pension Costs
Service cost-benefits earned during the period	1	2	3	3
Interest cost	5	4	10	9
Expected return on plan assets	(5)	(5)	(10)	(10)
Net amortization:
Actuarial loss	2	1	3	2
Prior service cost (credit)	1	1	1	1
Net pension and postretirement costs	$ 4	$ 3	$ 7	$ 5