Other Expenses (Income), Net (Schedule Of Other (Income) Expenses, Net) (Details) (USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Other Expenses (Income), Net
Equity loss (income)	$ 2	$ (2)	$ (24)	$ (10)
Interest income	(5)	(5)	(16)	(14)
Foreign currency (gains) losses, net	35	21	5	23
Net (gain) loss from asset sales		(8)	1	(8)
Net (gain) loss on mark-to-market derivative contracts (P)	(14)	42	(41)	56
Other, net	13	(5)	28	1
Other (income) expenses, net	$ 31	$ 43	$ (47)	$ 48