INCOME FROM CONTINUING OPERATIONS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Millions	6 Months Ended		12 Months Ended
	Jan. 03, 2020	Dec. 28, 2018	Jun. 28, 2019	Jun. 29, 2018	Jun. 30, 2017
Earnings Per Share [Abstract]
Income from continuing operations	$ 823		$ 953	$ 702	$ 628
Adjustments for participating securities outstanding	0		(2)	(2)	(1)
Income from continuing operations used in per basic and diluted common share calculations (A)	$ 823		$ 951	$ 700	$ 627
Basic weighted average common shares outstanding (B) (in shares)	221,200,000	117,800,000	118,000,000.0	118,600,000	122,600,000
Impact of dilutive share-based awards (in shares)	2,500,000		2,500,000	2,500,000	1,700,000
Diluted weighted average common shares outstanding (C) (in shares)	223,700,000	120,300,000	120,500,000	121,100,000	124,300,000
Income from continuing operations per basic common share (A)/(B) (in dollars per share)	$ 3.72	$ 3.74	$ 8.06	$ 5.90	$ 5.11
Income from continuing operations per diluted common share (A)/(C) (in dollars per share)	$ 3.68	$ 3.66	$ 7.89	$ 5.78	$ 5.04
Weighted average anti-dilutive employee stock options outstanding (in shares)	604,969		271,892	48,590	421,507