Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 1,458		$ 1,985
Trade accounts receivable	1,838		1,728
Other accounts receivable	920		834
Inventories:
Mill and leach stockpiles	1,880		1,705
Materials and supplies, net	1,825	[1]	1,730	[1]
Product	1,665		1,583
Other current assets	668		407
Total current assets	10,254		9,972
Property, plant, equipment and mining development costs, net	25,407		24,042
Oil and gas properties - full cost method
Subject to amortization, less accumulated amortization	11,057		12,472
Not subject to amortization	10,769		10,887
Long-term mill and leach stockpiles	2,518		2,386
Goodwill	1,717		1,916
Other assets	2,287		1,798
Total assets	64,009		63,473
Current liabilities:
Accounts payable and accrued liabilities	3,950		3,708
Current portion of debt	2,784		312
Dividends payable	334		333
Current portion of environmental and asset retirement obligations	250		236
Accrued income taxes	240		184
Total current liabilities	7,558		4,773
Long-term debt, less current portion	17,512		20,394
Deferred income taxes	7,451		7,410
Environmental and asset retirement obligations, less current portion	3,294		3,259
Other liabilities	1,782		1,690
Total liabilities	37,597		37,526
Redeemable noncontrolling interest	745		716
FCX stockholders’ equity:
Common stock	117		117
Capital in excess of par value	22,221		22,161
Retained earnings	3,081		2,742
Accumulated other comprehensive loss	(401)		(405)
Common stock held in treasury	(3,686)		(3,681)
Total FCX stockholders’ equity	21,332		20,934
Noncontrolling interests	4,335		4,297
Total equity	25,667		25,231
Total liabilities and equity	$ 64,009		$ 63,473

[1] Materials and supplies inventory was net of obsolescence reserves totaling $21 million at June 30, 2014, and $24 million at December 31, 2013.