Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net income	$ 704	$ 1,048	$ 1,990	$ 2,482
Defined benefit plans:
Amortization of unrecognized amounts included in net periodic benefit costs	5	6	12	18
Foreign exchange losses	2	0	(1)	0
Translation adjustments and unrealized gains (losses) on securities	0	4	0	3
Other comprehensive income	7	10	11	21
Total comprehensive income	711	1,058	2,001	2,503
Total comprehensive income attributable to noncontrolling interests	(142)	(217)	(416)	(518)
Preferred dividends attributable to redeemable noncontrolling interest	(10)	(9)	(30)	(12)
Total comprehensive income attributable to FCX common stockholders	$ 559	$ 832	$ 1,555	$ 1,973