|
Equity-Based Compensation Information Related to Restricted Stock Units and Awards (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
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| Information Related to RSUs and RSAs [Line Items] | |||
| Pretax expense for RSUs and RSAs | $ 69 | $ 46 | $ 50 |
| After-tax expense for RSUs and RSAs | $ 45 | $ 30 | $ 32 |