Consolidated Comprehensive Income (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Consolidated Comprehensive Income [Abstract]
Net income	$ 848us-gaap_ProfitLoss	$ 724us-gaap_ProfitLoss	$ 751us-gaap_ProfitLoss
Foreign currency translation gain (loss)	(526)	(70)	75
Gain (loss) on derivatives recognized in other comprehensive income:
Pre-tax	(109)	19	15
Tax effect	33	(5)	(5)
(Gain) loss on derivatives reclassified from accumulated other comprehensive income to:
Revenues	7	(2)	6
Cost of sales	6	(5)	4
Tax effect	(5)	2	(3)
Actuarial gains (losses) recognized in other comprehensive income:
Pre-tax	(43)	25	(43)
Tax effect	8	(12)	9
Curtailment and settlement (gains) losses recognized:
Pre-tax	(11)	0	0
Tax effect	3	0	0
Amortization to selling and administrative expenses of:
Prior service credits	(2)	(3)	(1)
Net actuarial losses	6	7	5
Tax effect	(1)	0	(1)
Comprehensive income	214	680	812
Comprehensive income attributable to noncontrolling interest:
Net income	37	25	0
Foreign currency translation gain (loss)	(147)	24	0
Gain (loss) on derivatives recognized in other comprehensive income, net of tax	(24)	7	0
(Gain) loss on derivatives reclassified from accumulated other comprehensive income, net of tax	4	(1)	0
Actuarial (gains) loss recognized in other comprehensive income, net of tax	(4)	(26)	0
Curtailment and settlement gains (losses) recognized in other comprehensive income, net of tax	(5)	0	0
Amortization to selling and administrative expenses, net of tax	2	2	0
Comprehensive income attributable to noncontrolling interest	(137)	31	0
Comprehensive income attributable to Cameron	$ 351us-gaap_ComprehensiveIncomeNetOfTax	$ 649us-gaap_ComprehensiveIncomeNetOfTax	$ 812us-gaap_ComprehensiveIncomeNetOfTax

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