Summary Of Significant Accounting Policies (Calculation Of Basic And Diluted EPS) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Summary Of Significant Accounting Policies [Abstract]
Net earnings from continuing operations - Basic	$ 258.4	$ 452.4	$ 375.0	$ 302.7	$ 241.8	$ 423.8	$ 310.1	$ 278.5	$ 1,388.5	$ 1,254.2	$ 1,207.3
Net earnings from continuing operations - Diluted									$ 1,388.5	$ 1,254.2	$ 1,207.3
Basic weighted average shares									487.3	493.5	500.5
Weighted average shares - Effect of Employee Stock Option Shares									3.8	3.8	2.2
Weighted average shares - Effect of Employee Restricted Stock Shares									1.1	1.0	1.0
Diluted weighted average shares									492.2	498.3	503.7
Basic earnings per share from continuing operations	$ 0.53	$ 0.93	$ 0.77	$ 0.62	$ 0.49	$ 0.85	$ 0.63	$ 0.57	$ 2.85	$ 2.54	$ 2.41
Diluted earnings per share from continuing operations	$ 0.53	$ 0.92	$ 0.76	$ 0.61	$ 0.48	$ 0.85	$ 0.62	$ 0.56	$ 2.82	$ 2.52	$ 2.40
Options excluded from calculation of diluted earnings per share because exercise prices exceeded the average market price									0.9	0.9	14.0