Balance Sheet Information (Summary of fair value and amortized cost of investments, by major type)(Details) - USD ($) $ in Millions	Jan. 01, 2016	Jul. 03, 2015
Available-for-sale securities:
Available-for-sale securities, Amortized Cost	$ 383	$ 2,076
Available-for-sale securities, Unrealized Gain/(Loss)	0	0
Available-for-sale securities, Fair Value	383	2,076
Total available-for-sale and trading securities
Included in Short-term investments	6	6
Other current assets	223	233
Fair Value, Total Balance [Member]
Total available-for-sale and trading securities
Investments, Total Fair Value	383	2,076
Included in Cash and cash equivalents	370	2,063
Included in Short-term investments	6	6
Investments, Total Fair Value	383	2,076
Other current assets	7	7
Money market funds [Member]
Available-for-sale securities:
Available-for-sale securities, Amortized Cost	212	1,203
Available-for-sale securities, Unrealized Gain/(Loss)	0	0
Available-for-sale securities, Fair Value	212	1,203
Corporate bonds [Member]
Available-for-sale securities:
Available-for-sale securities, Amortized Cost	6	6
Available-for-sale securities, Unrealized Gain/(Loss)	0	0
Available-for-sale securities, Fair Value	6	6
Certificates of deposit [Member]
Available-for-sale securities:
Available-for-sale securities, Amortized Cost	165	867
Available-for-sale securities, Unrealized Gain/(Loss)	0	0
Available-for-sale securities, Fair Value	$ 165	$ 867

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Amount before tax of unrealized gain (loss) in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6506951

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=6526789

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Aggregate carrying amount, as of the balance sheet date, of current assets not separately disclosed in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer).

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