Acquisitions and Dispositions (Summary of Purchase Price Allocations) (Details) - MetoKote Corporation part in Millions, $ in Millions	Jul. 31, 2016 USD ($) part
Business Acquisition [Line Items]
Parts per day | part	1.5
Current assets	$ 38
Property, plant, and equipment	73
Identifiable intangible assets with finite lives	86
Goodwill	166
Deferred income taxes	(12)
Total assets	351
Current liabilities	(23)
Other long-term liabilities	(22)
Total liabilities	(45)
Total purchase price, net of cash acquired	$ 306