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Segment Information (Details 2) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Segment Reporting [Abstract]        
Loss on exchange of Convertible notes     $ 0 $ 30
Reconciliation of (Loss) income before income taxes to Segment (loss) profit        
Loss before income taxes $ (29) $ (87) (98) (130)
Less: net income attributable to noncontrolling interest 6 3 9 11
Segment loss $ (35) $ (90) $ (107) $ (141)