Financial Instruments Derivatives Designated as Cash Flow Hedging Instruments Table (Details) (Designated as Hedging Instrument [Member], Cash Flow Hedging [Member], USD $) In Millions, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
Other assets [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives, Gross	$ 2	[1]	$ 1	[1]
Asset Derivatives, Netting across contract types	(2)	[1]	(1)	[1]
Asset Derivatives, Total	0	[1]	0	[1]
Accrued expenses and other liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives, Gross	2	[2]	3	[2]
Liability Derivatives, Netting across contract types	(2)	[2]	(1)	[2]
Derivative contracts at fair value (liability)	0	[2]	2	[2]
Interest rate swap contracts | Other assets [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives, Gross	0	[1]	0	[1]
Interest rate swap contracts | Accrued expenses and other liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives, Gross	0	[2]	1	[2]
Commodity contracts | Other assets [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives, Gross	2	[1]	1	[1]
Commodity contracts | Accrued expenses and other liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives, Gross	$ 2	[2]	$ 2	[2]

[1] Located within other assets in our condensed consolidated balance sheets.

[2] Located within accrued expenses and other liabilities in our condensed consolidated balance sheets.