CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 3,705		$ 4,822
Trade accounts receivable	927		892
Income taxes receivable	436		70
Other accounts receivable	266		180
Inventories:
Materials and supplies, net	1,504	[1]	1,354	[1]
Product	1,400		1,226
Mill and leach stockpiles	1,672		1,289
Other current assets	387		214
Total current assets	10,297		10,047
Property, plant, equipment and development costs, net	20,999		18,449
Long-term mill and leach stockpiles	1,955		1,686
Long-term receivables	769		675
Other assets	1,420		1,213
Total assets	35,440		32,070
Current liabilities:
Accounts payable and accrued liabilities	2,324		2,194
Current portion of deferred income taxes	384		103
Dividends payable	299		240
Current portion of reclamation and environmental obligations	241		236
Accrued income taxes	93		163
Current portion of debt	2		4
Total current liabilities	3,343		2,940
Long-term debt, less current portion	3,525		3,533
Deferred income taxes	3,490		3,255
Reclamation and environmental obligations, less current portion	2,127		2,138
Other liabilities	1,644		1,651
Total liabilities	14,129		13,517
FCX stockholders' equity:
Common stock, par value $ 0.10, 1,073 shares and 1,071 shares issued, respectively	107		107
Capital in excess of par value	19,119		19,007
Retained earnings	2,399		546
Accumulated other comprehensive loss	(506)		(465)
Common stock held in treasury - 124 shares and 123 shares, respectively, at cost	(3,576)		(3,553)
Total FCX stockholders' equity	17,543		15,642
Noncontrolling interests	3,768		2,911
Total equity	21,311		18,553
Total liabilities and equity	$ 35,440		$ 32,070

[1] Materials and supplies inventory was net of obsolescence reserves totaling $27 million at December 31, 2012, and $26 million at December 31, 2011.