| **Restructuring And Other Charges (Narrative) (Details) (USD $)In Millions, unless otherwise specified** |        |        |        |        | 23 Months Ended | 29 Months Ended      | 23 Months Ended |        | 41 Months Ended | 27 Months Ended | 42 Months Ended | 27 Months Ended      |        | 42 Months Ended |        | 27 Months Ended | 42 Months Ended | 27 Months Ended | 42 Months Ended | 27 Months Ended |        |
|----------------------------------------------------------------------------------------------------------|--------|--------|--------|--------|-----------------|----------------------|-----------------|--------|-----------------|-----------------|-----------------|----------------------|--------|-----------------|--------|-----------------|-----------------|-----------------|-----------------|-----------------|--------|
||
| **Restructuring And Other Charges**                                                                      |   |   |   |   |            |                 |            |   |            |            |            |                 |   |            |   |            |            |            |            |            |   |   |   |
| Restructuring incurred charges                                                                           |   |   |   |   | $ 23            |                 | $ 10            | $ 9    | $ 4             |            |            |                 | $ 172  |            |   | $ 12            |            |            | $ 129           |            | $ 31   |   |   |
| Restructuring Charges                                                                                    |   |   |   |   |            |                 |            |   |            |            | 2               |                 |   |            |   |            |            | 12              |            | 167             |   | 7 |   |
| Restructuring and related activities expected completion date                                            |   |   |   |   |            | Aug.				01,				 2016 |            |   |            |            |            | Jun.				01,				 2016 |   |            |   |            |            |            |            |            |   |   |   |
| Restructuring reserve and accrual                                                                        | 50     | 62     | 78     | 117    |            |                 |            |   | 1               | 2               |            |                 |   |            | 47     |            | 3               |            |            |            |   |   | 1 |
| Expected restructuring charges, minimum                                                                  |   |   |   |   |            |                 |            |   |            |            |            |                 |   | 175             |   |            |            |            |            |            |   |   |   |
| Expected restructuring charges, Maximum                                                                  |   |   |   |   |            |                 |            |   |            |            |            |                 |   | $ 180           |   |            |            |            |            |            |   |   |   |

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| - Definition
Date the exit and disposal activities were completed or are expected to be completed, in CCYY-MM-DD format.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 4Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869
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| - Definition
Amount of costs incurred to date for the specified type of restructuring cost.
+ References
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| - Definition
Amount expected to be recognized in earnings for the specified restructuring cost.
+ References
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.
+ References
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