Other (Income) Expense (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Other Income and Expenses [Abstract]
Gain on sale of assets	$ (13)	$ (16)	$ (34)	$ (21)
Marketable Securities, Gain (Loss)	0	5	0	5
Loss On Australian Foreign Exchange Hedges	0	51	0	51
Other - net	16	(8)	14	0
Other (Income) Expense - Net	$ 3	$ 22	$ (20)	$ 25