Share-Based Compensation (Summary of Stock Option Contract Term and Intrinsic Value) (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended |
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Sep. 30, 2013
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Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] | |
Weighted Average Remaining Contractual Terms, Outstanding | 5 years 4 months |
Aggregated Intrinsic Value, Outstanding | $ 268 |
Weighted Average Remaining Contractual Terms, Exercisable | 4 years 4 months |
Aggregated Intrinsic Value, Exercisable | $ 218 |
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- Details
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- Definition
Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of options outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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