Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012		Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 4,496		$ 4,822
Trade accounts receivable	1,165		892
Other accounts receivable	272		250
Inventories:
Materials and supplies, net	1,450	[1]	1,354	[1]
Mill and leach stockpiles	1,392		1,289
Product	1,254		1,226
Other current assets	223		214
Total current assets	10,252		10,047
Property, plant, equipment and development costs, net	18,986		18,449
Long-term mill and leach stockpiles	1,747	[2]	1,686	[2]
Long-term receivables	727		675
Intangible assets, net	326		325
Other assets	867		888
Total assets	32,905		32,070
Current liabilities:
Accounts payable and accrued liabilities	2,140		2,297
Dividends payable	298		240
Current portion of reclamation and environmental obligations	253		236
Accrued income taxes	229		163
Current portion of debt	4		4
Total current liabilities	2,924		2,940
Long-term debt, less current portion	3,517		3,533
Deferred income taxes	3,413		3,255
Reclamation and environmental obligations, less current portion	2,170		2,138
Other liabilities	1,582		1,651
Total liabilities	13,606		13,517
FCX stockholders' equity:
Common stock	107		107
Capital in excess of par value	19,043		19,007
Retained earnings	1,013		546
Accumulated other comprehensive loss	(453)		(465)
Common stock held in treasury	(3,575)		(3,553)
Total FCX stockholders' equity	16,135		15,642
Noncontrolling interests	3,164		2,911
Total equity	19,299		18,553
Total liabilities and equity	$ 32,905		$ 32,070

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

[2] Metals in stockpiles not expected to be recovered within the next 12 months.