v2.4.0.6

Equity-Based Compensation Information Related to Restricted Stock Units (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Information Related to RSU's [Line Items] |  |  |
Pretax expense for RSU's | $ 46 | $ 50 | $ 39
After-tax expense for RSU's | $ 30 | $ 32 | $ 25

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- Details
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- Definition Share-based compensation arrangement by share-based payment award equity instruments other than option expenses after taxes. + References No definition available. + Details
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- Definition Share-based compensation arrangement by share-based payment award equity instruments other than option expenses before taxes. + References No definition available. + Details
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