Other Expense (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Other Income and Expense
Net foreign currency exchange losses	$ 239	$ 118	$ 26
Financing fees and financial instruments	77	64	162
Royalty income	(35)	(51)	(38)
Interest Income	(28)	(41)	(17)
General and Product Liability Discontinued Products	25	15	8
Net (gains) losses on asset sales	(3)	(8)	(25)
Miscellaneous expense	27	0	23
Other Expense	$ 302	$ 97	$ 139