Financing Arrangements and Derivative Financial Instruments Schedule of Classification of Changes in Fair Values of Foreign Currency Contracts (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Amounts Deferred to AOCL (Income) Expense	$ (17)	$ (2)
Amount of deferred loss (gain) reclassified from AOCL into CGS	0	2
Amounts Excluded from Effectiveness Testing	1	0
Deferred Gains to be Reclassified in Next Twelve Months	$ 12