Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net Income	$ 894	$ 1,726	$ 1,895	$ 3,587
Other comprehensive income, net of taxes:
Unrealized losses on securities arising during the period	(1)	(1)	(1)	0
Translation adjustments arising during the period	(1)	0	(1)	1
Defined benefit plans:
Amortization of unrecognized amounts included in net periodic benefit costs	8	3	15	6
Adjustment to deferred tax valuation allowance	0	0	5	0
Other comprehensive income	6	2	18	7
Total comprehensive income	900	1,728	1,913	3,594
Total comprehensive income attributable to noncontrolling interests	(185)	(358)	(422)	(720)
Total comprehensive income attributable to FCX common stockholders	$ 715	$ 1,370	$ 1,491	$ 2,874