Acquisitions (Consideration Transferred) (Details) - National Pump - USD ($) $ in Millions	1 Months Ended
	Apr. 30, 2015	Apr. 30, 2014
Business Acquisition [Line Items]
Cash consideration		$ 773
Contingent consideration		76
Total purchase consideration		849
Cash consideration, hold back amount	$ 58
Stock issued, excluded from purchase consideration		$ 15