Earnings Per Share (Unaudited) (Tables)

6 Months Ended

Jun. 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						Six Months Ended
	June 30,						June 30,
	2013			2012			2013			2012
Net income	$	610		$	894		$	1,434		$	1,895
Net income attributable to noncontrolling interests	(125		)	(184		)	(301		)	(421		)
Preferred dividends on redeemable noncontrolling interest	$	(3	)	$	—		$	(3	)	$	—
Net income attributable to FCX common stockholders	$	482		$	710		$	1,130		$	1,474
Weighted-average shares of common stock outstanding	980			949			965			949
Add shares issuable upon exercise or vesting of
dilutive stock options and restricted stock units	4			4			3			5			a
Weighted-average shares of common stock outstanding
for purposes of calculating diluted net income per share	984			953			968			954
Diluted net income per share attributable to FCX common stockholders	$	0.49		$	0.74		$	1.17		$	1.55

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 six months ended June 30, 2012.