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Consolidated Statements of Stockholders' Equity - USD ($)
$ in Millions
Total
Common Stock [Member]
Additional - Paid In Capital [Member]
Retained Earnings Deficit [Member]
NOV Net Investment [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Beginning balance at Dec. 31, 2012 $ 1,971       $ 1,953 $ 18
Net income (loss) 147       147  
Contributions/transfers from (distributions to) NOV (298)       (298)  
Other comprehensive loss (18)         (18)
Ending balance at Dec. 31, 2013 1,802       1,802  
Net income (loss) 116     $ 58 58  
Contributions/transfers from (distributions to) NOV 75       75  
Stock-based compensation 18   $ 13   5  
Reclassification of NOV net investment to additional paid-in capital     1,940   $ (1,940)  
Issuance of common stock at Separation, value     (1)      
Issuance of common stock at the Separation, par value   $ 1        
Other comprehensive loss (45)         (45)
Ending balance at Dec. 31, 2014 1,966   1,952 58   (45)
Ending balance, Common stock value at Dec. 31, 2014 1 $ 1        
Issuance of common stock at Separation, share   107,053,000        
Issuance of common stock for exercise of options   14,000        
Ending balance, shares at Dec. 31, 2014   107,067,000        
Net income (loss) (502)     (502)    
Stock-based compensation 27   27      
Other comprehensive loss (89)         (89)
Ending balance at Dec. 31, 2015 1,403   1,980 $ (444)   $ (134)
Ending balance, Common stock value at Dec. 31, 2015 1 $ 1        
Adjustment to income tax from spin-off 3   3      
Payments related to taxes withheld on stock-based compensation $ (2)   $ (2)      
Issuance of common stock for exercise of options 15,077 152,000        
Ending balance, shares at Dec. 31, 2015   107,219,000