Consolidated Balance Sheets Parenthetical - USD ($) $ in Millions |
Dec. 31, 2014 |
Dec. 31, 2013 |
Dec. 31, 2012 |
|---|---|---|---|
| Restricted Cash and Cash Equivalents | |||
| Allowance for doubtful accounts | $ 4 | ||
| Common Stock, Value, Issued | $ 0.01 | $ 0.01 | |
| Common Stock, Shares, Issued | 100 | 100 |