Earnings Per Share (Unaudited) (Tables)

3 Months Ended

Mar. 31, 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
	March 31,
	2013			2012
Net income	$	824		$	1,001
Net income attributable to noncontrolling interests	(176		)	(237		)
Net income attributable to FCX common stockholders	$	648		$	764
Weighted-average shares of common stock outstanding	950			949
Add shares issuable upon exercise or vesting of
dilutive stock options and restricted stock units	3			6			a
Weighted-average shares of common stock outstanding
for purposes of calculating diluted net income per share	953			955
Diluted net income per share attributable to FCX   common stockholders	$	0.68		$	0.80

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 of approximately three million for first-quarter2012.