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Other Costs (Gains), Net - Gain on Remeasurement of Prior Interest in Equity Method Investment (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
May. 31, 2014
Schedule of Equity Method Investments [Line Items]          
Restructuring charges     $ 53    
Equity method investment, aggregate cost         $ 18
Gain from remeasurement of prior interest in equity method investment $ 0 $ 0 $ 0 $ 8  
Minimum | Cameron Services Middle East LLC          
Schedule of Equity Method Investments [Line Items]          
Equity method investment, ownership percentage         49.00%
Maximum | Cameron Services Middle East LLC          
Schedule of Equity Method Investments [Line Items]          
Equity method investment, ownership percentage         90.00%