Stock Based Compensation (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended
Sep. 30, 2011 Year HardDrive	Oct. 01, 2010 Year
Stock Based Compensation (Textual) [Abstract]
Expenses on stock-based compensation	$ 9	$ 11
Total compensation cost related to unvested stock options and ESPP rights issued	80
Weighted average vesting period	1.8
Expense related to the vesting of restricted stock unit awards	8	8
Unamortized fair value of all unvested restricted stock unit awards	60
Weighted average service period	2.5
Options outstanding to purchase shares with exercise price below company stock price	5.8
Options outstanding to purchase shares with exercise price below company stock price, intrinsic value	46
Aggregate intrinsic value of options exercised under the Company's stock option plan	5	2
Weighted average expected term of the Company's stock options	4.9	4.7
Grant-date fair value of the shares underlying the restricted stock awards	$ 28
Forfeiture rate of restricted stock unit valuation assumption	2.30%

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph h

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

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The weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, using a decimal to express in number of years.

+ References

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The noncash expense that represents the cost of restricted stock or unit distributed to employees as compensation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

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The period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 14.D.2)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph e(2)(a)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section D

-Subsection 2

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The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph c(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Forfeiture rate of restricted stock unit valuation assumption.

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The grant-date fair value of the shares underlying the restricted stock awards.

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Aggregate amount of options outstanding with an exercise price below the quoted price of the Company's stock on the date of the latest balance sheet presented.

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The total dollar difference between fair values of underlying shares reserved for issuance and exercising prices pertaining to options outstanding with an exercise price below the quoted price of the Company's stock on the date of the latest balance sheet presented.

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The noncash expense that accounts for the value of stock options distributed to employees as compensation and of employee stock purchase plan rights.

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Stock based compensation.

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As of the balance sheet date, the aggregate unrecognized cost of stock option awards made to employees under share-based compensation plans and employee stock purchase plan rights that have yet to vest.

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The weighted average period over which unrecognized costs is expected to be recognized for employee service share based stock option awards and employee stock purchase plan rights, using a decimal to express in number of years.

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