ACCOUNTING CHANGES OR RECENT ACCOUNTING PRONOUNCEMENTS - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Jun. 28, 2019	Jun. 29, 2018	Jun. 30, 2017	Jun. 29, 2019	Jul. 02, 2016
Business Combination, Separately Recognized Transactions [Line Items]
Increase in cost of sales and services	$ 4,467	$ 4,066	$ 3,854
Increase in engineering, selling and administrative expenses	1,242	1,182	1,150
Non-operating income	$ 188	156	166
ASC 606
Business Combination, Separately Recognized Transactions [Line Items]
Decrease in revenue from product sales and services		14	3
Operating income (loss)		$ (19)	$ (10)
Operating income (loss), per diluted share (in dollars per share)		$ (0.15)	$ (0.08)
ASU 2017-07
Business Combination, Separately Recognized Transactions [Line Items]
Increase in cost of sales and services		$ 147	$ 132
Increase in engineering, selling and administrative expenses		37	32
Non-operating income		$ 184	$ 164
Retained Earnings | ASC 606
Business Combination, Separately Recognized Transactions [Line Items]
Cumulative effect adjustment as reduction of opening balance of retained earnings					$ 15
Subsequent Event | Minimum | Forecast | New Lease Standard
Business Combination, Separately Recognized Transactions [Line Items]
Right-of-use assets				$ 200
Lease liabilities				200
Subsequent Event | Maximum | Forecast | New Lease Standard
Business Combination, Separately Recognized Transactions [Line Items]
Right-of-use assets				300
Lease liabilities				$ 300