OTHER ASSETS

12 Months Ended

Dec. 31, 2012

Other Assets [Abstract]

Other Assets Disclosure [Text Block]

OTHER ASSETS

The components of other assets follow:

	December 31,
	2012		2011
Investments:
MMRa	$	446	$	475
PT Smeltingb	89		125
Available-for-sale securities	46		9
Other	51		49
Intangible assetsc	334		325
Deferred tax assets	220		2
Trust assetsd	163		152
Debt issue costs	26		40
Other	45		36
Total other assets	$	1,420	$	1,213

a. In December 2010, FCX purchased 500,000 shares of MMR’s 5.75% Convertible Perpetual Preferred Stock (the MMR Preferred Stock) for an aggregate purchase price of $500 million. The MMR Preferred Stock is initially convertible into 62.5 shares of MMR common stock per share of MMR Preferred Stock (an aggregate of 31.25 million shares of MMR common stock), at an initial conversion price of $16 per share of MMR common stock. FCX's investment in MMR is recorded at cost. Dividends received are recorded as a return of investment because of MMR's reported losses. Several of FCX’s directors and executive officers also serve as directors or executive officers of MMR. Refer to Note 1 for discussion of the proposed acquisition of MMR.

b. FCX's 25 percent ownership in PT Smelting is recorded using the equity method. Amounts were reduced by unrecognized profits on sales from PT Freeport Indonesia to PT Smelting totaling $39 million at December 31, 2012, and $2 million at December 31, 2011.

c. Intangible assets were net of accumulated amortization totaling $71 million at December 31, 2012, and $62 million at December 31, 2011.

d. Included $161 million at December 31, 2012, and $151 million at December 31, 2011, of legally restricted funds for AROs related to properties in New Mexico (refer to Note 13 for further discussion).