Other (Income) Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Other Income and Expenses [Line Items]
Gain on sale of assets and revaluation	$ (101)	$ (13)	$ (104)	$ (34)
Other - net	12	16	5	14
Other (Income) Expense - Net	(89)	$ 3	(99)	$ (20)
NSS and Minmetal [Member]
Other Income and Expenses [Line Items]
Gain on sale of assets and revaluation	(27)		(27)
Brazil JV [Member]
Other Income and Expenses [Line Items]
Gain on sale of assets and revaluation	$ (68)		(68)
Equity Sold, Percentage	50.00%
Lactic [Member]
Other Income and Expenses [Line Items]
Gain on sale of assets and revaluation	$ (6)		$ (6)