Other (Income) Expense (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Other Income and Expenses [Line Items]
Gains on sales of assets	$ (163)	$ (6)	$ (197)	$ (27)
Marketable Securities, (Gain) Loss	0	(2)	0	(7)
Loss (Gain) on foreign exchange hedges	102	(26)	102	25
Other - net	5	(1)	19	(1)
Other (Income) Expense - Net	(56)	(35)	(76)	(10)
JV Conversion [Member]
Other Income and Expenses [Line Items]
Gains on sales of assets	$ (156)		$ (156)