Other Operating Expenses, Net (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Other Operating Expenses, Net [Abstract]
Loss on sale of assets, net	$ 0	$ 2	$ 0	$ 3
Special charges, net	1	5	6	16
Total	$ 1	$ 7	$ 6	$ 19