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Loss Per Share, Computation of Basic and Diluted Loss Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Numerator - Basic and Diluted [Abstract]    
Net loss $ (38) $ (94)
Less: Net income (loss) attributable to noncontrolling interest 3 (1)
Undistributed net loss $ (41) $ (93)
Percentage allocated to ordinary shares [1] 100.00% 100.00%
Net loss available to ordinary shares $ (41) $ (93)
Denominator - Basic and Diluted [Abstract]    
Weighted-average ordinary shares (in shares) 116,815 115,920
Net loss per Ordinary Share [Abstract]    
Basic and diluted loss per ordinary share (in dollars per share) [2] $ (0.35) $ (0.80)
[1] Our participating securities do not have a contractual obligation to share in losses; therefore, when we have a net loss, none of the loss is allocated to participating securities. Consequently, for the three months ended March 31, 2017 and 2016, the two class method did not have an effect on our net loss per ordinary share calculation, and as such, dividends paid during the year did not impact this calculation.
[2] Net loss per ordinary share amounts were calculated from exact, not rounded net loss and share information.