Basis of Presentation and Summary of Significant Accounting Policies (Components of Property and Equipment) (Details) - USD ($) $ in Millions	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	$ 4,476	$ 4,034
Accumulated depreciation and amortization	(2,680)	(2,528)
Property and equipment, net	1,796	1,506	$ 1,459
Land, building and improvements
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	1,735	1,465
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	2,608	2,440
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	$ 133	$ 129