Earnings Per Share (Unaudited) (Tables)

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Reconciliation of net income and weighted-average shares of common stock outstanding

Following is a reconciliation of net income and weighted-average shares of common stock outstanding for purposes of calculating diluted net income per share (in millions, except per share amounts):

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2013			2012			2013			2012
Net income	$	1,048		$	1,140		$	2,482		$	3,035
Net income attributable to noncontrolling interests	(218		)	(316		)	(519		)	(737		)
Preferred dividends on redeemable noncontrolling interest	(9		)	—			(12		)	—
Net income attributable to FCX common stockholders	$	821		$	824		$	1,951		$	2,298
Weighted-average shares of common stock outstanding	1,038			949			989			949
Add shares issuable upon exercise or vesting of
dilutive stock options and restricted stock units	5			4			4			4			a
Weighted-average shares of common stock outstanding
for purposes of calculating diluted net income per share	1,043			953			993			953
Diluted net income per share attributable to FCX common stockholders	$	0.79		$	0.86		$	1.96		$	2.41

a. Excluded shares of common stock associated with outstanding stock options with exercise prices less than the average market price of FCX's common stock that were anti-dilutive based on the treasury stock method totaled approximately one million for the nine months ended September 30, 2012.