Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2014
Preferred stock, par value	$ 1.00	$ 1.00
Preferred stock, shares authorized	300,000	300,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0.10	$ 0.10
Common stock, shares authorized	1,000,000,000	1,000,000,000
Common stock, shares issued	638,700,000	638,700,000
Common stock, shares outstanding	482,600,000	480,200,000
Treasury stock, shares	156,100,000	158,500,000
Securities for Reverse Repurchase Agreements	245.2
Cash Collateral for Borrowed Securities	$ 0.7
Cash and Cash Equivalents [Domain]
Assets related to the Company's outstanding commercial paper		183.8
Short Term Investment
Assets related to the Company's outstanding commercial paper		$ 2,015.8