CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Shares [Member]	AOCI Attributable to Parent [Member]
Balance, amount at Jun. 30, 2014	$ 154	$ 159	$ 709	$ 1,739	$ (2,036)	$ (417)
Balance, shares (in shares) at Jun. 30, 2014		158,741			(29,945)
Net earnings	580			580
Other comprehensive income (loss)	(85)					(85)
Accrued dividends	(391)			(391)
Stock-based compensation	32		32
Other employee stock plan activities, amount	262		34	(5)	$ 233
Other employee stock plan activities, shares					(4,198)
Treasury stock purchased, amount	(434)				$ (434)
Treasury stock purchased, shares					4,016
Balance, amount at Jun. 30, 2015	118	$ 159	775	1,923	$ (2,237)	(502)
Balance, shares (in shares) at Jun. 30, 2015		158,741			(30,127)
Net earnings	648			648
Other comprehensive income (loss)	(68)					(68)
Accrued dividends	(406)			(406)
Stock-based compensation	45		45
Other employee stock plan activities, amount	214		48	(2)	$ 168
Other employee stock plan activities, shares					2,892
Treasury stock purchased, amount	(254)				$ (254)
Treasury stock purchased, shares					(2,151)
Balance, amount at Jun. 30, 2016	297	$ 159	868	2,163	$ (2,323)	(570)
Balance, shares (in shares) at Jun. 30, 2016		158,741			(29,386)
Net earnings	701			701
Other comprehensive income (loss)	27					27
Accrued dividends	(421)			(421)
Stock-based compensation	51		51
Other employee stock plan activities, amount	76		9	(3)	$ 70
Other employee stock plan activities, shares					1,164
Treasury stock purchased, amount	(189)				$ (189)
Treasury stock purchased, shares					(1,505)
Balance, amount at Jun. 30, 2017	$ 542	$ 159	$ 928	$ 2,440	$ (2,442)	$ (543)
Balance, shares (in shares) at Jun. 30, 2017		158,741			(29,727)