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Debt (Tables)

3 Months Ended

Mar. 31, 2018

Debt Instrument, Redemption [Line Items]

Schedule of Debt [Table Text Block]

DEBT AND EQUITY

The components of debt follow (in millions):



		March 31, 2018				December 31, 2017
Senior notes and debentures:
Issued by FCX		$	10,020			$	11,429
Issued by Freeport Minerals Corporation		358				358
Issued by Freeport-McMoRan Oil & Gas LLC (FM O&G LLC)		54				54
Cerro Verde credit facility		1,170				1,269
Other		4				7
Total debt^a		11,606				13,117
Less current portion of debt		(483		)		(1,414		)
Long-term debt		$	11,123			$	11,703


a.	Includes additions for unamortized fair value adjustments totaling $93 million at March 31, 2018 ($97 million at December 31, 2017), and is net of reductions for unamortized net discounts and unamortized debt issuance costs totaling $81 million at March 31, 2018 ($85 million at December 31, 2017).