Derivative and Other Financial Instruments (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Objective for using derivative instruments			The Company’s objective in managing exposure to market risk is to limit the impact on earnings and cash flow.
Derivative, lower remaining maturity range			1 month
Derivative, higher remaining maturity range			40 months
Net loss to be reclassified to earnings			$ (13,000,000)
Loss, net of tax, expected to be reclassified to earnings			(11,000,000)
Reclassification of anticipated transactions that were no longer considered probable			0	$ 0
Changes in fair value of the derivative financial instruments, excluded from the assessment and measurement of hedge effectiveness reported in earnings (less than)	$ 1,000,000
Commodity Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on cash flow hedge ineffectiveness		$ 3,000,000	2,000,000	(4,000,000)
Commodity Contract [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on cash flow hedge ineffectiveness	1,000,000		1,000,000
Gain on Cash Flow Hedge Ineffectiveness			2,000,000
Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on foreign exchange contracts designated as fair value hedges	3,000,000	1,000,000	1,000,000	1,000,000
Gain (loss) on foreign exchange contracts not designated as fair value hedges	$ 5,000,000	$ (12,000,000)	$ (43,000,000)	$ (13,000,000)