Deficit (Details) - USD ($) $ in Millions |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2013 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Oct. 25, 2014 |
|
| Class of Stock [Line Items] | |||||
| Common Stock, Shares, Outstanding | 100 | 48,058,114,000,000 | 48,028,594,000,000 | 47,989,000,000,000 | 47,989,000,000,000 |
| Non cash captial contribution from parent | $ 7 |