| **Description Of Business And Basis Of Presentation Description Of Business And Basis Of Presenation (Reclassifications) (Details) (USD $)In Millions, unless otherwise specified** | 3 Months Ended |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------|
||
| **Reclassifications [Line Items]**                                                                                                                                                  |           |   |
| Research and development                                                                                                                                                            | $ 278          | $ 282 |
| Marketing and sales                                                                                                                                                                 | 147            | 151 |
| General and administrative                                                                                                                                                          | 85             | 88 |
| As previously reported [Member]                                                                                                                                                     |           |   |
| **Reclassifications [Line Items]**                                                                                                                                                  |           |   |
| Research and development                                                                                                                                                            |           | 290 |
| Marketing and sales                                                                                                                                                                 |           | 145 |
| General and administrative                                                                                                                                                          |           | 86 |
| Change [Member]                                                                                                                                                                     |           |   |
| **Reclassifications [Line Items]**                                                                                                                                                  |           |   |
| Research and development                                                                                                                                                            |           | (8) |
| Marketing and sales                                                                                                                                                                 |           | 6 |
| General and administrative                                                                                                                                                          |           | 2 |
| Reclassified balance [Member]                                                                                                                                                       |           |   |
| **Reclassifications [Line Items]**                                                                                                                                                  |           |   |
| Research and development                                                                                                                                                            |           | 282 |
| Marketing and sales                                                                                                                                                                 |           | 151 |
| General and administrative                                                                                                                                                          |           | $ 88 |

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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.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688
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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
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 86 -Paragraph 11 -Subparagraph b -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 FASB -Name Accounting Standards Codification -Glossary Research and Development -URI http://asc.fasb.org/extlink&oid=6523717Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 2 -Paragraph 8, 13 -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 00-2 -Section Exhibit 00-2A -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 AICPA -Name Statement of Position (SOP) -Number 98-1 -Paragraph 18-26 -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 Preliminary Project Stage -URI http://asc.fasb.org/extlink&oid=6521637Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 86 -Paragraph 3, 12 -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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| X                                                                                                                                                                                                                                                                                                                                   |
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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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