Gross redemption value of debt extinguished.

No definition available.

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- Definition

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

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- Definition

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

+ References

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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, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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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.

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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.

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DEBT - Schedule of Senior Notes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Aug. 15, 2019
Debt Instruments [Line Items]
Gain (Loss) on Extinguishment of Debt	$ (27)	$ 7	$ 21
Liabilities, Fair Value Adjustment	11	58
Long-term Debt	9,826	11,141
Debt Issuance Costs, Net	$ 66	69
Senior Notes due 2027, 5% [Member]
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.00%			5.00%
Long-term Debt				$ 600
Senior Notes Due 2023 [Member]
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage				6.875%
Senior Notes due 2029, 5.25% [Member]
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.25%			5.25%
Long-term Debt				$ 600
Senior Notes [Member]
Debt Instruments [Line Items]
Extinguishment Of Debt, Redemption Value	$ 2,201	470	1,257
Gain (Loss) on Extinguishment of Debt	26	(10)	(26)
Debt Instrument, Face Amount	2,145	454	1,234
Extinguishment of Debt, Amount	2,175	480	1,283
Senior Notes [Member] \| Senior Notes due 2027, 5% [Member]
Debt Instruments [Line Items]
Long-term Debt	592	0
Senior Notes [Member] \| 3.100% Senior Notes due March 2020
Debt Instruments [Line Items]
Extinguishment Of Debt, Redemption Value	1,003
Gain (Loss) on Extinguishment of Debt	$ 5
Debt Instrument, Interest Rate, Stated Percentage	3.10%
Debt Instrument, Face Amount	$ 1,000
Long-term Debt	0	$ 999
Extinguishment of Debt, Amount	998
Senior Notes [Member] \| Senior Notes Due 2023 [Member]
Debt Instruments [Line Items]
Extinguishment Of Debt, Redemption Value	768
Gain (Loss) on Extinguishment of Debt	6
Debt Instrument, Face Amount	728
Extinguishment of Debt, Amount	$ 762
Senior Notes [Member] \| 6.125% Senior Notes due 2019 [Member]
Debt Instruments [Line Items]
Extinguishment Of Debt, Redemption Value			182
Gain (Loss) on Extinguishment of Debt			(2)
Debt Instrument, Interest Rate, Stated Percentage	6.125%	6.125%
Debt Instrument, Face Amount			179
Extinguishment of Debt, Amount			184
Senior Notes [Member] \| 6.5% Senior Notes due 2020 [Member]
Debt Instruments [Line Items]
Extinguishment Of Debt, Redemption Value			562
Gain (Loss) on Extinguishment of Debt			(13)
Debt Instrument, Interest Rate, Stated Percentage	6.50%	6.50%
Debt Instrument, Face Amount			552
Extinguishment of Debt, Amount			575
Senior Notes [Member] \| 6.625% Senior Notes due 2021 [Member]
Debt Instruments [Line Items]
Extinguishment Of Debt, Redemption Value			234
Gain (Loss) on Extinguishment of Debt			(6)
Debt Instrument, Interest Rate, Stated Percentage	6.625%	6.625%
Debt Instrument, Face Amount			228
Extinguishment of Debt, Amount			$ 240
Senior Notes [Member] \| 6.75% Senior Notes due 2022 [Member]
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.75%	6.75%
Senior Notes [Member] \| 3.55% Senior Notes Due 2022 [Member]
Debt Instruments [Line Items]
Extinguishment Of Debt, Redemption Value	$ 12
Gain (Loss) on Extinguishment of Debt	$ 0
Debt Instrument, Interest Rate, Stated Percentage	3.55%
Debt Instrument, Face Amount	$ 12
Long-term Debt	1,876	$ 1,886
Extinguishment of Debt, Amount	12
Senior Notes [Member] \| Senior Notes due 2029, 5.25% [Member]
Debt Instruments [Line Items]
Long-term Debt	$ 592	$ 0
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%
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%
Freeport-McMoRan Oil & Gas \| Senior Notes [Member] \| 6.625% Senior Notes due 2021 [Member]
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.625%
Freeport-McMoRan Oil & Gas \| Senior Notes [Member] \| 6.75% Senior Notes due 2022 [Member]
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.75%