Consolidated Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 568	$ 848	$ 724
Foreign currency translation losses	(469)	(526)	(70)
Gains (losses) on derivatives recognized in other comprehensive income:
Pre-tax	(80)	(109)	19
Tax effect	15	33	(5)
(Gains) losses on derivatives reclassified from accumulated other comprehensive income to:
Revenues	59	7	(2)
Cost of sales	40	6	(5)
Tax effect	(29)	(5)	2
Actuarial gains (losses) recognized in other comprehensive income:
Pre-tax	10	(43)	25
Tax effect	(2)	8	(12)
Curtailment and settlement (gains) losses recognized:
Pre-tax	2	(11)	0
Tax effect	(1)	3	0
Amortization to selling and administrative expenses of:
Prior service credits	(3)	(2)	(3)
Net actuarial losses	8	6	7
Tax effect	(1)	(1)	0
Comprehensive income	117	214	680
Comprehensive income attributable to noncontrolling interest:
Net income	67	37	25
Foreign currency translation gains (losses)	(111)	(147)	24
Gains (losses) on derivatives recognized in other comprehensive income, net of tax	(11)	(24)	7
(Gains) losses on derivatives reclassified from accumulated other comprehensive income, net of tax	11	4	(1)
Actuarial gains recognized in other comprehensive income, net of tax	(4)	(4)	(26)
Curtailment and settlement losses recognized in other comprehensive income, net of tax	0	(5)	0
Amortization to selling and administrative expenses, net of tax	1	2	2
Comprehensive income (loss) attributable to noncontrolling interest	(47)	(137)	31
Comprehensive income attributable to Cameron	$ 164	$ 351	$ 649