Financing Arrangements and Derivative Financial Instruments Schedule of Fair Values for Foreign Currency Contracts Not Designated as Hedging Instruments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Accounts Receivable
Derivative Instruments and Hedging Activities Disclosures
Fair Value - Accounts Receivable	$ 13		$ 13		$ 20
Other Current Liabilities
Derivative Instruments and Hedging Activities Disclosures
Fair Value - Other Current Liabilities	(14)		(14)		(4)
Not Designated as Hedging Instrument [Member]
Derivative Instruments and Hedging Activities Disclosures
Notional Amount - Foreign currency contracts not designated as hedging instruments	1,148		1,148		$ 878
Net Transaction Gains (Losses) on Foreign Currency Contracts Not Designated as Hedging Instruments	$ 16	$ 38	$ 46	$ 33