COMMON STOCK DIVIDENDS  | 
3 Months Ended | 
|---|---|
Mar. 31, 2017  | |
| COMMON STOCK DIVIDENDS | |
| COMMON STOCK DIVIDENDS | 
 11. COMMON STOCK DIVIDENDS 
 During each of the three months ended March 31, 2017 and 2016, we paid dividends of $30 million, or $0.125 per share, to common stockholders.  | 
| X | ||||||||||
- Definition The entire disclosure for accounts comprising shareholders' equity, excluding disclosures pertaining to comprehensive income. No definition available. 
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| X | ||||||||||
- References No definition available. 
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