Income (Loss) From Continuing Operations Per Common Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Dec. 30, 2016	Jan. 01, 2016	Dec. 30, 2016	Jan. 01, 2016
Earnings Per Share [Abstract]
Income from continuing operations	$ 168	$ 197	$ 324	$ 343
Adjustments for participating securities outstanding	(1)	0	(2)	0
Income from continuing operations used in per basic and diluted common share calculations (A)	$ 167	$ 197	$ 322	$ 343
Basic weighted average common shares outstanding (B) (in shares)	123,700,000	123,800,000	123,800,000	123,600,000
Impact of dilutive share-based awards (in shares)	1,700,000	1,100,000	1,700,000	1,100,000
Diluted weighted average common shares outstanding (C) (in shares)	125,400,000	124,900,000	125,500,000	124,700,000
Net income per basic common share (A)/(B) (in dollars per share)	$ 1.35	$ 1.59	$ 2.60	$ 2.77
Net income per diluted share (A)/(C) (in dollars per share)	$ 1.33	$ 1.58	$ 2.57	$ 2.75
Net Income Per Common Share (Textuals) [Abstract]
Outstanding antidilutive employee stock options			1,200,708	1,482,261