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Acquisitions (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 0 Months Ended
Sep. 30, 2014
Sep. 30, 2013
May 09, 2014
AccessClosure
Business Acquisition      
Business Acquisition, Effective Date of Acquisition     May 09, 2014
Payments to Acquire Businesses, Net of Cash Acquired $ 61 $ 25 $ 320