Earnings Per Share (Computation Of Basic And Diluted Earnings Per Share) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011
Earnings Per Share
Net earnings attributable to controlling interests	$ 399	$ 578	$ 939	$ 1,655
Average shares outstanding	662	638	667	639
Basic earnings per share	$ 0.60	$ 0.91	$ 1.41	$ 2.59
Plus: After-tax interest on 4.7% debentures related to $1.75 billion Equity Units		13		13
Adjusted net earnings attributable to controlling interests	$ 399	$ 591	$ 939	$ 1,668
Share-based compensation awards	1	2	1	2
Shares assumed issued related to $1.75 billion equity units		44		14
Adjusted average shares outstanding	663	684	668	655
Diluted earnings per share	$ 0.60	$ 0.86	$ 1.41	$ 2.55