Basis of Presentation and Summary of Significant Accounting Policies (Components of Property and Equipment) (Details) - USD ($) $ in Millions	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	$ 4,034	$ 3,870
Accumulated depreciation and amortization	(2,528)	(2,411)
Property and equipment, net	1,506	1,459	$ 1,489
Land, building and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	1,465	1,419
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	2,440	2,326
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	$ 129	$ 125