Consolidated Statements of Shareholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Common Shares	Retained Earnings	Treasury Shares	Accumulated Other Comprehensive Income/(Loss)
Common shares, Issued at Beginning of Period at Jun. 30, 2012		364.0
Common shares, Value, Outstanding at Beginning of Period at Jun. 30, 2012		$ 2,930
Retained earnings at Beginning of Period at Jun. 30, 2012			$ 4,093
Common shares in treasury at Beginning of Period at Jun. 30, 2012				(21.0)
Common shares in treasury, Value at Beginning of Period at Jun. 30, 2012				$ (816)
Accumulated other comprehensive income/(loss) at beginning of period at Jun. 30, 2012					$ 37
Total shareholders' equity at Beginning of Period at Jun. 30, 2012	$ 6,244
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	334		334
Other comprehensive income/(loss), net of tax	31				31
Employee stock plans activity, including tax impact, Shares		0.0		6.0
Employee stock plans activity, including tax impact, Value	205	$ 23		$ 182
Treasury shares acquired (using cost method), shares				(10.2)
Treasury shares acquired (using cost method), value	(450)			$ (450)
Dividends declared	(374)		(374)
Other	(15)		(15)
Common shares, Issued at End of Period at Jun. 30, 2013		364.0
Common shares, Value, Outstanding at End of Period at Jun. 30, 2013		$ 2,953
Retained earnings at End of Period at Jun. 30, 2013			4,038
Common shares in treasury at End of Period at Jun. 30, 2013				(25.0)
Common shares in treasury, Value at End of Period at Jun. 30, 2013				$ (1,084)
Accumulated other comprehensive income/(loss) at end of period at Jun. 30, 2013	68				68
Total shareholders' equity at End of Period at Jun. 30, 2013	5,975
Common shares in treasury at Beginning of Period at Jun. 30, 2013				(25.0)
Common shares in treasury, Value at Beginning of Period at Jun. 30, 2013				$ (1,084)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	1,166		1,166
Other comprehensive income/(loss), net of tax	2				2
Employee stock plans activity, including tax impact, Shares		0.0		8.0
Employee stock plans activity, including tax impact, Value	361	$ 27		$ 334
Treasury shares acquired (using cost method), shares				(9.9)
Treasury shares acquired (using cost method), value	(673)			$ (673)
Dividends declared	$ (430)		(430)
Common shares, Issued at End of Period at Jun. 30, 2014	364.0	364.0
Common shares, Value, Outstanding at End of Period at Jun. 30, 2014	$ 2,980	$ 2,980
Retained earnings at End of Period at Jun. 30, 2014	$ 4,774		4,774
Common shares in treasury at End of Period at Jun. 30, 2014	(27.0)			(27.0)
Common shares in treasury, Value at End of Period at Jun. 30, 2014	$ (1,423)			$ (1,423)
Accumulated other comprehensive income/(loss) at end of period at Jun. 30, 2014	70				70
Total shareholders' equity at End of Period at Jun. 30, 2014	$ 6,401
Common shares in treasury at Beginning of Period at Jun. 30, 2014	(27.0)			(27.0)
Common shares in treasury, Value at Beginning of Period at Jun. 30, 2014	$ (1,423)			$ (1,423)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	1,215		1,215
Other comprehensive income/(loss), net of tax	(93)				(93)
Employee stock plans activity, including tax impact, Shares		0.0		4.0
Employee stock plans activity, including tax impact, Value	237	$ 23		$ 214
Treasury shares acquired (using cost method), shares				(13.1)
Treasury shares acquired (using cost method), value	(1,036)			$ (1,036)
Dividends declared	(471)		(471)
Other	$ 3		3
Common shares, Issued at End of Period at Jun. 30, 2015	364.0	364.0
Common shares, Value, Outstanding at End of Period at Jun. 30, 2015	$ 3,003	$ 3,003
Retained earnings at End of Period at Jun. 30, 2015	$ 5,521		$ 5,521
Common shares in treasury at End of Period at Jun. 30, 2015	(36.0)			(36.0)
Common shares in treasury, Value at End of Period at Jun. 30, 2015	$ (2,245)			$ (2,245)
Accumulated other comprehensive income/(loss) at end of period at Jun. 30, 2015	(23)				$ (23)
Total shareholders' equity at End of Period at Jun. 30, 2015	$ 6,256