INCOME TAXES - Total Income Tax Provision (Details) - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	Jan. 03, 2020	Dec. 28, 2018	Jan. 01, 2021	Jan. 03, 2020	Jun. 28, 2019	Jun. 29, 2018
Income Tax Disclosure [Abstract]
Continuing operations	$ 73	$ 87	$ 234	$ 146	$ 160	$ 206
Discontinued operations	0		0		(1)	(5)
Total income tax provision	$ 73		$ 234		$ 159	$ 201