Selected Quarterly Financial Data (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Quarterly Financial Information Disclosure [Abstract]
Revenue	$ 27,547	$ 25,375	$ 25,537	$ 24,070	$ 22,894	$ 21,427	$ 22,240	$ 24,523	$ 102,531	$ 91,084	$ 101,093
Gross margin	1,458	1,459	1,454	1,341	1,256	1,297	1,345	1,264	5,712	5,161	4,921
Distribution, selling, general and administrative expenses	847	803	815	775	795	736	766	732	3,240	3,028	2,875
Earnings from continuing operations	293	365	289	266	234	315	275	340	1,212	1,163	335
Earnings/(loss) from discontinued operations, net of tax	2	0	0	0	0	0	3	(1)	3	3	(1)
Net earnings	$ 295	$ 365	$ 289	$ 266	$ 234	$ 315	$ 278	$ 339	$ 1,215	$ 1,166	$ 334
Earnings from continuing operations per common share:
Basic (in dollars per share)	$ 0.89	$ 1.10	$ 0.87	$ 0.79	$ 0.69	$ 0.92	$ 0.80	$ 1.00	$ 3.65	$ 3.41	$ 0.98
Diluted (in dollars per share)	$ 0.88	$ 1.09	$ 0.86	$ 0.78	$ 0.68	$ 0.91	$ 0.79	$ 0.99	$ 3.61	$ 3.37	$ 0.97