INCOME TAXES - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2017	Jul. 01, 2016	Jul. 03, 2015
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of fiscal year	$ 63	$ 124	$ 72
Additions based on tax positions taken during current fiscal year	52	7	5
Additions based on tax positions taken during prior fiscal years	0	9	5
Additions for tax positions related to acquired entities	0	0	68
Decreases based on tax positions taken during prior fiscal years	(25)	(73)	(8)
Decreases from lapse in statutes of limitations	0	(1)	(1)
Decreases from settlements	0	(3)	(17)
Balance at end of fiscal year	$ 90	$ 63	$ 124