Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net income	$ 1,048	$ 1,140	$ 2,482	$ 3,035
Defined benefit plans:
Amortization of unrecognized amounts included in net periodic benefit costs	6	7	18	22
Adjustment to deferred tax valuation allowance	0	0	0	5
Unrealized (losses) gains on securities arising during the period	(1)	1	(1)	0
Translation adjustments arising during the period	5	0	4	(1)
Other comprehensive income	10	8	21	26
Total comprehensive income	1,058	1,148	2,503	3,061
Total comprehensive income and preferred dividends attributable to noncontrolling interests	(226)	(315)	(530)	(737)
Total comprehensive income attributable to FCX common stockholders	$ 832	$ 833	$ 1,973	$ 2,324