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Net Earnings Per Share (Schedule Of Share Repurchases Under Authorized Programs) (Details) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2010
Net Earnings Per Share [Line Items]
Share repurchases under authorized programs, Amount	$ 149	$ 130	$ 158	$ 134
Share repurchases under authorized programs, Shares	2,300	2,063	2,429	2,121
Open-Market Purchase Programs [Member]
Net Earnings Per Share [Line Items]
Share repurchases under authorized programs, Amount	149		158
Share repurchases under authorized programs, Shares	2,300		2,429
Evergreen Program [Member]
Net Earnings Per Share [Line Items]
Share repurchases under authorized programs, Amount		$ 130		$ 134
Share repurchases under authorized programs, Shares		2,063		2,121

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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