SUPPLEMENTARY MINERAL RESERVE INFORMATION (UNAUDITED) (Tables)

12 Months Ended

Dec. 31, 2020

Mineral Industries Disclosures [Abstract]

Schedule Of Estimated Recoverable Proven And Probable Reserves By Location [Text Block]


	Estimated Recoverable Proven and Probable Mineral Reserves
	at December 31, 2020
	Coppera (billion pounds)	Gold (million ounces)	Molybdenum (billion pounds)
North America	47.1	0.6	3.01
South America	32.7	—	0.70
Indonesiab	33.4	28.3	—
Consolidatedc	113.2	28.9	3.71
Net equity interestd	81.8	15.5	3.39

a.Estimated consolidated recoverable copper reserves included 1.7 billion pounds in leach stockpiles and 0.3 billion pounds in mill stockpiles.

b.Reflects estimates of minerals that can be recovered through 2041. Refer to Note 13 for discussion of PT-FI’s IUPK.

c.Consolidated reserves represent estimated metal quantities after reduction for joint venture partner interests at the Morenci mine in North America (refer to Note 3 for further discussion). Excluded from the table above were FCX’s estimated recoverable proven and probable reserves of 362 million ounces of silver, which were determined using $15 per ounce.

d.Net equity interest reserves represent estimated consolidated metal quantities further reduced for noncontrolling interest ownership (refer to Note 3 for further discussion of FCX’s ownership in subsidiaries). FCX's net equity interest for estimated metal quantities in Indonesia reflects approximately 81 percent from 2021 through 2022 and 48.76 percent from 2023 through 2041. Excluded from the table above were FCX’s estimated recoverable proven and probable reserves of 247 million ounces of silver.

Supplementary Reserve Information at 100% Basis by Location


	Estimated Recoverable Proven and Probable Mineral Reserves
	at December 31, 2020
			Average Ore Grade Per Metric Tona					Recoverable Proven and Probable Reservesb
	Orea (million metric tons)		Copper (%)	Gold (grams)		Molybdenum (%)		Copper (billion pounds)		Gold (million ounces)		Molybdenum (billion pounds)





North America
Developed and producing:
Morenci	4,300		0.23	—		—	c	14.3		—		0.20
Sierrita	3,240		0.22	—	c	0.02		13.2		0.2		1.28
Bagdad	2,591		0.31	—	c	0.02		15.2		0.2		0.92
Safford, including Lone Star	777		0.45	—		—		5.7		—		—
Chino, including Cobre	313		0.44	0.03		—		2.5		0.2		—
Climax	156		—	—		0.15		—		—		0.48
Henderson	60		—	—		0.17		—		—		0.20

Tyrone	33		0.27	—		—		0.2		—		—
Miami	—		—	—		—		0.1		—		—



South America
Developed and producing:
Cerro Verde	4,077		0.36	—		0.01		28.6		—		0.70
El Abra	779		0.41	—		—		4.2		—		—

Indonesiad
Developed and producing:
Grasberg Block Cave	874		1.08	0.73		—		17.5		13.1		—
Deep Mill Level Zone	439		0.89	0.72		—		7.4		8.1		—
Big Gossan	53		2.30	0.98		—		2.5		1.1		—
Deep Ore Zone	8		0.55	0.47		—		0.1		0.1		—

Undeveloped:
Kucing Liar	351		0.92	0.90		—		6.0		6.0		—
Total 100% basis	18,052	e						117.2	e	28.9	e	3.77	e
Consolidatedf								113.2		28.9		3.71
FCX’s equity shareg								81.8		15.5		3.39

a.Excludes material contained in stockpiles.

b.Includes estimated recoverable metals contained in stockpiles.

c.Amounts not shown because of rounding.

d.Estimated recoverable proven and probable reserves from Indonesia reflect estimates of minerals that can be recovered through 2041. Refer to Note 13 for discussion of PT-FI’s IUPK.

e.Does not foot because of rounding.

f.Consolidated reserves represent estimated metal quantities after reduction for joint venture partner interests at the Morenci mine in North America. Refer to Note 3 for further discussion.

g.Net equity interest reserves represent estimated consolidated metal quantities further reduced for noncontrolling interest ownership. FCX's net equity interest for estimated metal quantities in Indonesia reflects an approximate 81 percent from 2021 through 2022 and 48.76 percent from 2023 through 2041. Refer to Note 3 for further discussion of FCX’s ownership in subsidiaries.