Financial Instruments Derivatives Designated as Hedging, Gain (Loss) Tables (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014		Sep. 30, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net			$ 2	[1]
Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	0	3	1		(4)
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	(3)	(3)		(12)
Designated as Hedging Instrument [Member] | Interest rate swap contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	0	0	0		1
Designated as Hedging Instrument [Member] | Interest rate swap contracts | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(1)	(1)	(1)		(9)
Designated as Hedging Instrument [Member] | Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	0	3	1		(5)
Designated as Hedging Instrument [Member] | Commodity contracts | Cost of goods sold
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	1	(2)	(1)		(3)
Designated as Hedging Instrument [Member] | Foreign currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	0	0	0
Designated as Hedging Instrument [Member] | Foreign currency contracts | Cost of goods sold
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	$ 0	$ 0	$ (1)

[1] See Note 11, "Pension, Other Post-employment Benefits and Employee Benefit Plans," and Note 6, "Financial Instruments," for additional information with respect to reclassifications from accumulated other comprehensive loss to earnings relating to post-employment benefits, net of tax and hedge instruments, net of tax, respectively. Such items do not represent reclassifications in their entirety.