Consolidated Statements of Income (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Revenues	$ 4,417	$ 5,195	$ 13,497	$ 16,718
Cost of sales:
Production and delivery	2,592	2,570	7,642	7,504
Depreciation, depletion and amortization	298	257	856	756
Total cost of sales	2,890	2,827	8,498	8,260
Selling, general and administrative expenses	110	102	311	323
Exploration and research expenses	79	78	214	194
Environmental obligations and shutdown costs	(73)	38	18	98
Total costs and expenses	3,006	3,045	9,041	8,875
Operating income	1,411	2,150	4,456	7,843
Interest expense, net	(42)	(78)	(148)	(250)
Losses on early extinguishment of debt	0	0	(168)	(68)
Other (expense) income, net	(15)	28	23	40
Income before income taxes and equity in affiliated companies' net earnings	1,354	2,100	4,163	7,565
Provision for income taxes	(215)	(808)	(1,128)	(2,698)
Equity in affiliated companies' net earnings	1	2	0	14
Net income	1,140	1,294	3,035	4,881
Net income attributable to noncontrolling interests	(316)	(241)	(737)	(961)
Net income attributable to FCX common stockholders	$ 824	$ 1,053	$ 2,298	$ 3,920
Net income per share attributable to FCX common stockholders:
Basic	$ 0.87	$ 1.11	$ 2.42	$ 4.14
Diluted	$ 0.86	$ 1.10	$ 2.41	$ 4.10
Weighted-average common shares outstanding:
Basic	949	948	949	947
Diluted	953	955	953	955
Dividends declared per share of common stock	$ 0.3125	$ 0.25	$ 0.9375	$ 1.25