Employee Benefit Plans (Details) - USD ($) $ in Millions |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
Employee Benefit Plans [Abstract] | |||
Defined Contribution Plan, Cost Recognized | $ 27 | $ 27 | $ 24 |
X | ||||||||||
- References No definition available.
|
X | ||||||||||
- Definition The amount of the cost recognized during the period for defined contribution plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|