Derivative and Other Financial Instruments (Accumulated Other Comprehensive Income ("AOCI") and Earnings from Changes in Fair Value Related to Derivative Instruments) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain/(loss) recognized in AOCI (effective portion)	$ (33)	$ 6
Amount of gain/(loss) reclassified from AOCI into earnings	(19)	(17)
Foreign Exchange [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain/(loss) recognized in AOCI (effective portion)	(1)	4
Amount of gain/(loss) reclassified from AOCI into earnings	(1)	(2)
Foreign Exchange [Member] | Amount Reclassified from Accumulated Other Comprehensive Income [Member] | Gains and Losses on Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
(Gain) loss recognized in cost of products sold	(1)	4
Gain (loss) recognized in net sales	(2)	2
Commodities [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain/(loss) recognized in AOCI (effective portion)	(32)	2
Amount of gain/(loss) reclassified from AOCI into earnings	(18)	(15)
Gain on hedge ineffectiveness	2
Gain (loss) on hedge ineffectiveness, net of tax	1	(1)
Commodities [Member] | Amount Reclassified from Accumulated Other Comprehensive Income [Member] | Gains and Losses on Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
(Gain) loss recognized in cost of products sold	23	21
Tax benefit recognized in income tax expense	$ 5	$ 6