Employee Benefit Plans (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
Compensation and Retirement Disclosure [Abstract] | |||
Cash contributions to defined contribution plans | $ 19 | $ 16 | $ 16 |
X | ||||||||||
- Details
|
X | ||||||||||
- Definition
The amount of the cost recognized during the period for defined contribution plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|