Income From Continuing Operations Per Common Share - Computation of Income From Continuing Operations Per Common Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Sep. 29, 2017	Sep. 30, 2016
Earnings Per Share [Abstract]
Income from continuing operations (A)	$ 167	$ 145
Basic weighted average common shares outstanding (B) (in shares)	119,100,000	123,900,000
Impact of dilutive share-based awards (in shares)	2,100,000	1,600,000
Diluted weighted average common shares outstanding (C) (in shares)	121,200,000	125,500,000
Income from continuing operations per basic common share (A)/(B) (in dollars per share)	$ 1.40	$ 1.17
Income from continuing operations per diluted common share (A)/(C) (in dollars per share)	$ 1.38	$ 1.16
Outstanding antidilutive employee stock options (in shares)	162,770	485,321