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Share-Based Compensation (Narrative) (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified |
9 Months Ended |
|---|---|
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Sep. 30, 2014
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|
| Number of stock options granted | 16.4 |
| Number of restricted share units granted | 5.4 |
| Weighted average fair value of stock options granted | $ 11.09 |
| Weighed average fair value of restricted share units granted | $ 46.57 |
|
Stock Options [Member]
|
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| Unrecognized pretax compensation expense on nonvested awards | $ 356 |
|
Restricted Share Units [Member]
|
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| Unrecognized pretax compensation expense on nonvested awards | $ 489 |