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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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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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		6 Months Ended
	Jun. 30, 2022 USD ($) lb oz $ / lb $ / oz $ / lb	Jun. 30, 2022 USD ($) $ / lb $ / oz $ / lb	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) $ / lb $ / oz $ / lb	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 53	$ 53		$ 53		$ 77
Derivative Liability, Fair Value, Gross Liability	546	546		546		28
Derivative Asset, Fair Value, Gross Liability	4	4		4		4
Derivative Liability, Fair Value, Gross Asset	4	4		4		4
Derivative Asset	49	49		49		73
Derivative Liability	542	542		542		24
Trade accounts receivable [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset	6	6		6		51
Derivative Liability	231	231		231		14
Accounts Payable and Accrued Liabilities
Derivatives, Fair Value [Line Items]
Derivative Asset	32	32		32		10
Derivative Liability	308	308		308		10
Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset	11	11		11		12
Derivative Liability	0	0		0		0
Other Liabilities
Derivatives, Fair Value [Line Items]
Derivative Asset	0	0		0		0
Derivative Liability	3	3		3		0
Commodity Contract
Derivatives, Fair Value [Line Items]
Matured derivative financial instruments		(12)	$ 28	2	$ 52
Derivative Asset, Fair Value, Gross Asset	15	15		15		13
Derivative Liability, Fair Value, Gross Liability	70	70		70		1
Derivative Asset, Fair Value, Gross Liability	4	4		4		1
Derivative Liability, Fair Value, Gross Asset	4	4		4		1
Derivative Asset	11	11		11		12
Derivative Liability	66	66		66		0
Embedded Derivative Financial Instruments
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	38	38		38		64
Derivative Liability, Fair Value, Gross Liability	476	476		476		27
Derivative Asset, Fair Value, Gross Liability	0	0		0		3
Derivative Liability, Fair Value, Gross Asset	0	0		0		3
Derivative Asset	38	38		38		61
Derivative Liability	476	476		476		24
Designated as Hedging Instrument [Member] \| Commodity Contract
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 0	$ 0		$ 0		12
Derivative, Nonmonetary Notional Amount, Mass \| lb	103
Derivative, Average Forward Price \| $ / lb	4.36	4.36		4.36
Not Designated as Hedging Instrument \| Embedded Derivative Financial Instruments
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 38	$ 38		$ 38		64
Derivative Liability, Fair Value, Gross Liability	$ 476	$ 476		$ 476		27
Not Designated as Hedging Instrument \| Forward Contracts
Derivatives, Fair Value [Line Items]
Derivative, Nonmonetary Notional Amount, Mass \| lb	34
Derivative, Average Forward Price \| $ / lb	4.06	4.06		4.06
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	$ 66	$ 66		$ 66		0
Commodity Contract \| Not Designated as Hedging Instrument \| Forward Contracts
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	15	15		15		1
Derivative Liability, Fair Value, Gross Liability	$ 4	$ 4		$ 4		$ 1
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		3.75
Derivative, Nonmonetary Notional Amount, Mass \| lb	703
Derivative, Average Forward Price \| $ / lb	4.41	4.41		4.41
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		3.75
Derivative, Nonmonetary Notional Amount, Mass \| lb	59
Derivative, Average Forward Price \| $ / lb	4.39	4.39		4.39
Gold \| Short [Member] \| Not Designated as Hedging Instrument \| Embedded Derivative Financial Instruments
Derivatives, Fair Value [Line Items]
Derivative Average Market Price \| $ / oz	1,821	1,821		1,821
Derivative, Nonmonetary Notional Amount, Mass \| oz	236
Derivative, Average Forward Price \| $ / oz	1,848	1,848		1,848
Sales \| Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net		$ (753)	133	$ (513)	312
Sales \| Copper \| Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net		(720)	118	(502)	325
Sales \| gold and other \| Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net		(33)	15	(11)	(13)
Cost of Sales [Member] \| Not Designated as Hedging Instrument \| Forward Contracts
Derivatives, Fair Value [Line Items]
Matured derivative financial instruments		$ 22	$ (5)	$ 26	$ (13)