The average market price for a group of price risk forward or futures contracts, such as gas futures contracts.

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Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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The average forward price on the group of price risk forward or futures contracts, such as gas futures contracts.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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Nominal mass used to calculate payments on a derivative instrument.

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No definition available.

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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.

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No definition available.

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Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

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Financial Instruments - Unsettled Derivatives (Details) oz in Thousands, lb in Millions, $ in Millions		3 Months Ended		9 Months Ended
	Jun. 30, 2023 oz lb	Sep. 30, 2023 USD ($) $ / lb $ / oz $ / lb	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) lb $ / lb $ / oz $ / lb	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset		$ 16		$ 16		$ 170
Derivative Liability, Fair Value, Gross Liability		44		44		42
Derivative Asset, Fair Value, Gross Liability		3		3		0
Derivative Liability, Fair Value, Gross Asset		3		3		0
Derivative Asset		13		13		170
Derivative Liability		41		41		42
Trade accounts receivable [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		5		5		163
Derivative Liability		20		20		7
Accounts Payable and Accrued Liabilities
Derivatives, Fair Value [Line Items]
Derivative Asset		8		8		3
Derivative Liability		21		21		34
Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		0		0		4
Derivative Liability		0		0		0
Other Liabilities
Derivatives, Fair Value [Line Items]
Derivative Asset		0		0		0
Derivative Liability		0		0		1
Commodity Contract
Derivatives, Fair Value [Line Items]
Matured derivative financial instruments		(4)	$ (50)	(1)	$ (48)
Derivative Asset, Fair Value, Gross Asset		0		0		4
Derivative Liability, Fair Value, Gross Liability		9		9		3
Derivative Asset		0		0		4
Derivative Liability		9		9		3
Embedded Derivative Financial Instruments
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset		16		16		166
Derivative Liability, Fair Value, Gross Liability		35		35		39
Derivative Asset, Fair Value, Gross Liability		3		3		0
Derivative Liability, Fair Value, Gross Asset		3		3		0
Derivative Asset		13		13		166
Derivative Liability		32		32		39
Designated as Hedging Instrument [Member] \| Commodity Contract
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset		$ 0		$ 0		3
Derivative, Nonmonetary Notional Amount, Mass \| lb				85
Derivative, Average Forward Price \| $ / lb		3.85		3.85
Not Designated as Hedging Instrument \| Embedded Derivative Financial Instruments
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset		$ 16		$ 16		166
Derivative Liability, Fair Value, Gross Liability		35		35		39
Not Designated as Hedging Instrument \| Forward Contracts
Derivatives, Fair Value [Line Items]
Matured derivative financial instruments		$ (1)	5	$ (3)	31
Derivative, Nonmonetary Notional Amount, Mass \| lb				19
Derivative, Average Forward Price \| $ / lb		3.77		3.77
Future \| Not Designated as Hedging Instrument \| FMC's Copper Futures and Swap Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability		$ 8		$ 8		3
Commodity Contract \| Not Designated as Hedging Instrument \| Forward Contracts
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset		0		0		1
Derivative Liability, Fair Value, Gross Liability		1		1		$ 0
Copper \| Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net		$ (30)	(272)	$ 31	(774)
Copper \| Short [Member] \| Not Designated as Hedging Instrument \| Embedded Derivative Financial Instruments
Derivatives, Fair Value [Line Items]
Derivative Average Market Price \| $ / lb		3.75		3.75
Derivative, Nonmonetary Notional Amount, Mass \| lb	553
Derivative, Average Forward Price \| $ / lb		3.78		3.78
Copper \| Long [Member] \| Not Designated as Hedging Instrument \| Embedded Derivative Financial Instruments
Derivatives, Fair Value [Line Items]
Derivative Average Market Price \| $ / lb		3.75		3.75
Derivative, Nonmonetary Notional Amount, Mass \| lb	165
Derivative, Average Forward Price \| $ / lb		3.80		3.80
Gold \| Short [Member] \| Not Designated as Hedging Instrument \| Embedded Derivative Financial Instruments
Derivatives, Fair Value [Line Items]
Derivative Average Market Price \| $ / oz		1,884		1,884
Derivative, Nonmonetary Notional Amount, Mass \| oz	209
Derivative, Average Forward Price \| $ / oz		1,925		1,925
gold and other \| Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net		$ (10)	$ (34)	$ 12	$ (45)