Acquistion Acquistion Schedule of Intangible Assets Acquired As Part of Business Combination (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended
	Aug. 06, 2012
Intangible Assets Other Than Goodwill [Line Items]
Other Intangible assets	$ 580
Customer Relationships [Member]
Intangible Assets Other Than Goodwill [Line Items]
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets	132
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	20 years
Distribution Rights [Member]
Intangible Assets Other Than Goodwill [Line Items]
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets	2
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years
Patented Technology [Member]
Intangible Assets Other Than Goodwill [Line Items]
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets	43
Patented Technology [Member] | Minimum [Member]
Intangible Assets Other Than Goodwill [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	9 years
Patented Technology [Member] | Maximum [Member]
Intangible Assets Other Than Goodwill [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	17 years
Trade Secrets [Member]
Intangible Assets Other Than Goodwill [Line Items]
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets	20
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years
Trademarks [Member]
Intangible Assets Other Than Goodwill [Line Items]
Business Acquisition, Purchase Price Allocation, Intangible Assets Not Amortizable	$ 383