Balance Sheet Information (Summary of fair value and amortized cost of investments, by major type) (Details) - USD ($) $ in Millions	Jan. 03, 2020	Jun. 28, 2019
Available-for-sale debt securities:
Amortized Cost	$ 686	$ 557
Unrealized Gain/(Loss)	0	0
Fair Value	686	557
Cash and cash equivalents [Member]
Available-for-sale debt securities:
Fair Value	670	548
Other current assets [Member]
Available-for-sale debt securities:
Fair Value	2	2
Other Assets [Member]
Available-for-sale debt securities:
Fair Value	14	7
Money market funds [Member]
Available-for-sale debt securities:
Amortized Cost	571	417
Unrealized Gain/(Loss)	0	0
Fair Value	571	417
Time deposits and certificates of deposit [Member]
Available-for-sale debt securities:
Amortized Cost	101	133
Unrealized Gain/(Loss)	0	0
Fair Value	101	$ 133
Other debt securities
Available-for-sale debt securities:
Amortized Cost	14
Unrealized Gain/(Loss)	0
Fair Value	$ 14

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26610-111562

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

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Amount, before tax, of unrealized gain (loss) in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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