Income From Continuing Operations Per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Mar. 30, 2018	Mar. 31, 2017	Mar. 30, 2018	Mar. 31, 2017
Earnings Per Share [Abstract]
Income from continuing operations	$ 203	$ 164	$ 509	$ 472
Adjustments for participating securities outstanding	(1)	(1)	(1)	(1)
Income from continuing operations used in per basic and diluted common share calculations (A)	$ 202	$ 163	$ 508	$ 471
Basic weighted average common shares outstanding (B) (in shares)	118.4	122.6	118.7	123.3
Impact of dilutive share-based awards (in shares)	2.6	1.9	2.4	1.7
Diluted weighted average common shares outstanding (C) (in shares)	121.0	124.5	121.1	125.0
Income from continuing operations per basic common share (A)/(B) (in dollars per share)	$ 1.71	$ 1.33	$ 4.28	$ 3.82
Income from continuing operations per diluted common share (A)/(C) (in dollars per share)	$ 1.67	$ 1.31	$ 4.19	$ 3.77