| **Goodwill And Other Intangible Assets (Schedule Of Gross Carrying Amount Of Other Intangible Assets And Related Accumulated Amortization) (Details) (USD $)In Millions, unless otherwise specified** | 3 Months Ended |        |        |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------|--------|--------|
||
| **Goodwill And Other Intangible Assets [Line Items]**                                                                                                                                                 |           |   |   |
| Reclassification of indefinite-lived IPR&D to definite-lived                                                                                                                                      | $ 11           |   |   |
| Gross Carrying Amount                                                                                                                                                                                 |           | 1,025  | 1,000  |
| Accumulated Amortization                                                                                                                                                                              |           | 403    | 313    |
| Indefinite-lived intangible assets                                                                                                                                                                    |           | 158    | 169    |
| Purchased Technology And Patents [Member]                                                                                                                                                             |           |   |   |
| **Goodwill And Other Intangible Assets [Line Items]**                                                                                                                                                 |           |   |   |
| Gross Carrying Amount                                                                                                                                                                                 |           | 934    | 922    |
| Accumulated Amortization                                                                                                                                                                              |           | 350    | 276    |
| Customer Lists And Relationships [Member]                                                                                                                                                             |           |   |   |
| **Goodwill And Other Intangible Assets [Line Items]**                                                                                                                                                 |           |   |   |
| Gross Carrying Amount                                                                                                                                                                                 |           | 61     | 48     |
| Accumulated Amortization                                                                                                                                                                              |           | 38     | 25     |
| Trademarks And Tradenames [Member]                                                                                                                                                                    |           |   |   |
| **Goodwill And Other Intangible Assets [Line Items]**                                                                                                                                                 |           |   |   |
| Gross Carrying Amount                                                                                                                                                                                 |           | 24     | 24     |
| Accumulated Amortization                                                                                                                                                                              |           | 11     | 8      |
| Indefinite-lived intangible assets                                                                                                                                                                    |           | 49     | 49     |
| Licenses, Distribution Agreements And Other [Member]                                                                                                                                                  |           |   |   |
| **Goodwill And Other Intangible Assets [Line Items]**                                                                                                                                                 |           |   |   |
| Gross Carrying Amount                                                                                                                                                                                 |           | 6      | 6      |
| Accumulated Amortization                                                                                                                                                                              |           | 4      | 4      |
| Acquired IPR&D [Member]                                                                                                                                                                           |           |   |   |
| **Goodwill And Other Intangible Assets [Line Items]**                                                                                                                                                 |           |   |   |
| Indefinite-lived intangible assets                                                                                                                                                                    |           | $ 109  | $ 120  |

| X                                                                                                                                                                     |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                                                                                                                                                                                                                                 |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Reclassification of acquired IPR&D from an indefinite-lived intangible asset to a definite-lived intangible asset as a result of a technology approval.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Carrying amount of assets (excluding financial assets) that lack physical substance, excluding goodwill, having a projected indefinite period of benefit.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -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.
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