BUSINESS SEGMENTS Revenue by Geographical Region (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 28, 2019	Jun. 29, 2018	Jun. 30, 2017
Segment Reporting Information [Line Items]
Revenue	$ 6,801	$ 6,168	$ 5,897
Communication Systems
Segment Reporting Information [Line Items]
Revenue	2,177	1,904	1,754
United States
Segment Reporting Information [Line Items]
Revenue	6,530	5,854	5,637
United States \| Communication Systems
Segment Reporting Information [Line Items]
Revenue	1,213	983	811
International
Segment Reporting Information [Line Items]
Revenue	271	314	260
International \| Communication Systems
Segment Reporting Information [Line Items]
Revenue	$ 964	$ 921	$ 943

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration