Earnings Per Share ("EPS") (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2010
Earnings Per Share ("EPS") [Abstract]
Net earnings, Basic	$ 375.0	$ 310.1	$ 677.7	$ 588.6
Net earnings, Diluted	$ 375.0	$ 310.1	$ 677.7	$ 588.6
Weighted average shares (in millions), Basic	486.7	492.0	487.3	491.7
Weighted average shares (in millions) - Effect of Employee Stock Option Shares	4.1	3.6	4.0	2.9
Weighted average shares (in millions) - Effect of Employee Restricted Stock Shares	1.6	1.3	1.5	1.3
Weighted average shares (in millions), Diluted	492.4	496.9	492.8	495.9
EPS, Basic	$ 0.77	$ 0.63	$ 1.39	$ 1.20
EPS, Diluted	$ 0.76	$ 0.62	$ 1.38	$ 1.19
Options excluded from the calculation of diluted earnings per share because their exercise prices exceeded the average market price	0.6	3.7		8.0