Debt Instrument, Unamortized Consideration Paid

No definition available.

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- Definition

Debt Instrument, Unamortized Fair Value Adjustments

+ References

No definition available.

+ Details

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- Definition

Percentage of FM O&G LLC senior notes tendered for new FCX senior notes

+ References

No definition available.

+ Details

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- Definition

Principal Amount of Senior Notes Tendered

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of addition (reduction) to the amount at which a liability could be incurred (settled) in a current transaction between willing parties.

+ References

No definition available.

+ Details

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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-Name Accounting Standards Codification
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-Section S99
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-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585

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DEBT - Schedule of Senior Notes (Details) - USD ($) $ in Millions	1 Months Ended				12 Months Ended
	Nov. 30, 2013	May 31, 2013	Mar. 30, 2013	Feb. 29, 2012	Dec. 31, 2017	Dec. 31, 2016	Dec. 30, 2016	Mar. 31, 2013
Debt Instruments [Line Items]
Liabilities, Fair Value Adjustment					$ 97	$ 179
Debt Instrument, Face Amount						2,342
Principal Amount of Senior Notes Tendered						2,091
Long-term Debt						$ 2,228
Senior Notes [Member]
Debt Instruments [Line Items]
Percentage of FM O&G LLC senior notes tendered for new FCX senior notes						89.00%
Debt Instrument, Unamortized Consideration Paid					9
Liabilities, Fair Value Adjustment					49	$ 151
Debt Instrument, Unamortized Fair Value Adjustments					81
Debt Instrument, Face Amount					1,234	407		$ 6,500
Proceeds from Issuance of Long-term Debt	$ 2,970		$ 6,400	$ 2,470
Long-term Debt					1,200
Senior Notes [Member] \| 6.125% Senior Notes due 2019 [Member]
Debt Instruments [Line Items]
Liabilities, Fair Value Adjustment					$ 5
Debt Instrument, Interest Rate, Stated Percentage					6.125%
Debt Instrument, Face Amount					$ 179	237
Principal Amount of Senior Notes Tendered						179
Long-term Debt					0	186
Senior Notes [Member] \| 6.5% Senior Notes due 2020 [Member]
Debt Instruments [Line Items]
Liabilities, Fair Value Adjustment					$ 23
Debt Instrument, Interest Rate, Stated Percentage					6.50%
Debt Instrument, Face Amount					$ 552	617
Principal Amount of Senior Notes Tendered						552
Long-term Debt					0	583
Senior Notes [Member] \| 6.625% Senior Notes due 2021 [Member]
Debt Instruments [Line Items]
Liabilities, Fair Value Adjustment					$ 12
Debt Instrument, Interest Rate, Stated Percentage					6.625%
Debt Instrument, Face Amount					$ 228	261
Principal Amount of Senior Notes Tendered						228
Long-term Debt					$ 0	242
Senior Notes [Member] \| 6.75% Senior Notes due 2022 [Member]
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage					6.75%
Debt Instrument, Face Amount						449
Principal Amount of Senior Notes Tendered						404
Long-term Debt					$ 427	432
Senior Notes [Member] \| 6.875% Senior Notes due 2023 [Member]
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage					6.875%
Debt Instrument, Face Amount						778
Principal Amount of Senior Notes Tendered						728
Long-term Debt					$ 776	784	$ 785
Freeport-McMoRan Oil & Gas \| Senior Notes [Member]
Debt Instruments [Line Items]
Liabilities, Fair Value Adjustment		$ 716
Debt Instrument, Face Amount		$ 6,400
Freeport-McMoRan Oil & Gas \| Senior Notes [Member] \| 6.125% Senior Notes due 2019 [Member]
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage					6.125%
Long-term Debt					$ 0	60
Freeport-McMoRan Oil & Gas \| Senior Notes [Member] \| 6.5% Senior Notes due 2020 [Member]
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage					6.50%
Long-term Debt					$ 0	69
Freeport-McMoRan Oil & Gas \| Senior Notes [Member] \| 6.625% Senior Notes due 2021 [Member]
Debt Instruments [Line Items]
Liabilities, Fair Value Adjustment					$ 2
Debt Instrument, Interest Rate, Stated Percentage					6.625%
Debt Instrument, Face Amount					$ 33
Long-term Debt					0	35
Freeport-McMoRan Oil & Gas \| Senior Notes [Member] \| 6.75% Senior Notes due 2022 [Member]
Debt Instruments [Line Items]
Liabilities, Fair Value Adjustment					$ 2
Debt Instrument, Interest Rate, Stated Percentage					6.75%
Debt Instrument, Face Amount					$ 45
Long-term Debt					$ 0	48
Freeport-McMoRan Oil & Gas \| Senior Notes [Member] \| 6.875% Senior Notes due 2023 [Member]
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage					6.875%
Long-term Debt					$ 54	$ 55