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Share-Based Compensation - Summary of Activity Under Share-Based Compensation Plans (Parenthetical) (Detail)
In Millions, unless otherwise specified |
12 Months Ended | ||||
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Dec. 31, 2013
Market and performance condition awards [Member]
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Dec. 31, 2012
Market and performance condition awards [Member]
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Dec. 31, 2013
Market condition awards [Member]
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Dec. 31, 2012
Market condition awards [Member]
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Dec. 31, 2013
Performance condition awards [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||
| Outstanding SARs | 0.9 | 0.9 | 1.5 | 1.5 | 0.4 |
| Exercisable SARs | 1.5 | ||||
| Granted SARs | 0.4 |
| X | ||||||||||
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- Definition
The number of exercisable stock appreciation rights (SARs). No definition available.
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| X | ||||||||||
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- Definition
Share Based Compensation Arrangement By Share Based Payment Award Stock Appreciation Rights Grants In Period No definition available.
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| X | ||||||||||
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- Definition
The number of outstanding stock appreciation rights (SARs). No definition available.
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| X | ||||||||||
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- Details
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