| **Condensed Consolidated Statements Of Operations (USD $)In Millions, except Per Share data, unless otherwise specified** | 3 Months Ended | 9 Months Ended |
|---------------------------------------------------------------------------------------------------------------------------|----------------|----------------|
||
| **Net revenue:**                                                                                                          |           |           |   |   |
| Product                                                                                                                   | $ 703          | $ 884          | $ 1,886 | $ 2,370 |
| Service and other                                                                                                         | 219            | 177            | 702 | 405 |
| Total net revenue                                                                                                         | 922            | 1,061          | 2,588 | 2,775 |
| **Cost of revenue:**                                                                                                      |           |           |   |   |
| Product                                                                                                                   | 363            | 477            | 866 | 1,088 |
| Service and other                                                                                                         | 66             | 75             | 213 | 136 |
| Total cost of revenue                                                                                                     | 429            | 552            | 1,079 | 1,224 |
| Gross profit                                                                                                              | 493            | 509            | 1,509 | 1,551 |
| **Operating expenses:**                                                                                                   |           |           |   |   |
| Research and development                                                                                                  | 286            | 325            | 890 | 928 |
| Marketing and sales                                                                                                       | 214            | 269            | 571 | 631 |
| General and administrative                                                                                                | 68             | 98             | 253 | 260 |
| Acquisition-related contingent consideration                                                                              | (45)           | (11)           | (65) | 8 |
| Amortization of intangibles                                                                                               | 7              | 11             | 21 | 37 |
| Restructuring and other charges                                                                                           | 2              | 0              | 27 | 17 |
| Total operating expenses                                                                                                  | 532            | 692            | 1,697 | 1,881 |
| Operating loss                                                                                                            | (39)           | (183)          | (188) | (330) |
| Gain on strategic investments, net                                                                                        | 14             | 0              | 14 | 0 |
| Interest and other income (expense), net                                                                                  | (8)            | (10)           | (17) | (13) |
| Loss before provision for (benefit from) income taxes                                                                     | (33)           | (193)          | (191) | (343) |
| Provision for (benefit from) income taxes                                                                                 | 12             | 12             | 34 | (19) |
| Net Loss                                                                                                                  | $ (45)         | $ (205)        | $ (225) | $ (324) |
| **Net loss per share:**                                                                                                   |           |           |   |   |
| Basic and Diluted                                                                                                         | $ (0.15)       | $ (0.62)       | $ (0.72) | $ (0.98) |
| **Number of shares used in computation:**                                                                                 |           |           |   |   |
| Basic and Diluted                                                                                                         | 304            | 332            | 313 | 331 |

| X                                                                                                                                                                                                                                                                                    |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The aggregate cost of products produced and sold during the reporting period.
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The aggregate cost of services rendered and costs incurred in connection with other revenue during the reporting period.
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| - Definition
This element represents the amount of gains and losses, including other than temporary impairments, recognized on strategic investments.
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| - Definition
Restructuring and other charges charged against earnings in the period for incurred and estimated costs, excluding asset retirement obligations, associated with exit from or disposal of business activities or restructurings pursuant to a program that is planned and controlled by management, and materially changes either the scope of a business undertaken by an entity, or the manner in which that business is conducted.
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| - Definition
Aggregate revenue during the period from the sale of product in the normal course of business, after deducting returns, allowances and discounts.
+ References
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| - Definition
Aggregate revenue during the period for services and other transactions rendered in the normal course of business (after deduction of allowances and discounts)
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.
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| - Definition
This element represents the amount of any change, including any differences arising upon settlement, recognized during the reporting period in the value of a liability, arising from an item of contingent consideration, assumed in a business combination.
+ References
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| - Definition
The aggregate cost of goods produced and sold and services rendered during the reporting period.
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| - Definition
The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements.  Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period.  Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
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| - Definition
The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.
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| - Definition
Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.
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| - Definition
Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.
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| - Definition
The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.
+ References
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| - Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
+ References
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| - Definition
Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.
+ References
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| - Definition
The net result for the period of deducting operating expenses from operating revenues.
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| - Definition
The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items.
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| - Definition
Research and development expense during the period related to the costs of developing and achieving technological feasibility of a computer software product to be sold, leased, or otherwise marketed.
+ References
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| - Definition
Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.
+ References
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| - Definition
The aggregate total amount of expenses directly related to the marketing or selling of products or services.
+ References
No definition available.
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| - Details**Name:**us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract**Namespace Prefix:**us-gaap_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |
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| - Definition
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1448-109256Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 8 -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 07-4 -Paragraph 4 -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 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 171 -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 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Weighted-Average Number of Common Shares Outstanding -URI http://asc.fasb.org/extlink&oid=6528421
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