Other Expense (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Other Income and Expense
Financing fees and financial instruments	$ 156	$ 89	$ 95
Royalty income	(38)	(47)	(30)
Net foreign currency exchange losses	26	27	159
Net (gains) losses on asset sales	(25)	(16)	(73)
Interest income	(17)	(16)	(11)
General and product liability - discontinued products	8	21	11
Miscellaneous expense	29	15	35
Other (Income) and Expense	$ 139	$ 73	$ 186