Income From Continuing Operations Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Mar. 29, 2019	Mar. 30, 2018	Mar. 29, 2019	Mar. 30, 2018
Earnings Per Share [Abstract]
Income from continuing operations	$ 243	$ 198	$ 684	$ 494
Adjustments for participating securities outstanding	(1)	(1)	(1)	(2)
Income from continuing operations used in per basic and diluted common share calculations (A)	$ 242	$ 197	$ 683	$ 492
Basic weighted average common shares outstanding (B) (in shares)	117,900,000	118,400,000	117,900,000	118,700,000
Impact of dilutive share-based awards (in shares)	2,400,000	2,600,000	2,400,000	2,400,000
Diluted weighted average common shares outstanding (C) (in shares)	120,300,000	121,000,000.0	120,300,000	121,100,000
Income from continuing operations per basic common share (A)/(B) (in dollars per share)	$ 2.06	$ 1.66	$ 5.79	$ 4.15
Income from continuing operations per diluted common share (A)/(C) (in dollars per share)	$ 2.02	$ 1.63	$ 5.67	$ 4.07
Outstanding antidilutive employee stock options (in shares)	265,652	30,670	275,021	64,554