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

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Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 815
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-Name Accounting Standards Codification
-Section 50
-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480238/815-25-50-1

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Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement.

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- Definition

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

+ References

No definition available.

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

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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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E

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Nominal mass used to calculate payments on a derivative instrument.

+ References

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 15
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/815-15/tableOfContent

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FINANCIAL INSTRUMENTS (Unrealized gains losses) (Details) oz in Thousands, lb in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) lb oz $ / oz $ / lb $ / lb	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Commodity Contract
Unrealized gains (losses):
Derivative financial instruments \| $	$ (100)	$ 32	$ (3)
Hedged item – firm sales commitments \| $	(100)	32	(3)
Realized gains (losses):
Matured derivative financial instruments \| $	$ 58	29	(4)
Commodity Contract \| Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Nonmonetary Notional Amount, Mass \| lb	104
Derivative, Average Forward Price \| $ / lb	5.05
Copper Forward Contracts \| Derivatives Not Designated as Hedging Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Nonmonetary Notional Amount, Mass \| lb	79
Derivative, Average Forward Price \| $ / lb	5.36
Realized gains (losses):
Matured derivative financial instruments \| $	$ (104)	1	(6)
Copper \| Derivatives Not Designated as Hedging Instruments
Realized gains (losses):
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net \| $	$ 534	117	97
Copper \| Short \| Embedded Derivative Financial Instruments \| Derivatives Not Designated as Hedging Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Nonmonetary Notional Amount, Mass \| lb	365
Derivative, Average Forward Price \| $ / lb	5.05
Realized gains (losses):
Derivative Average Market Price \| $ / lb	5.64
Copper \| Long \| Embedded Derivative Financial Instruments \| Derivatives Not Designated as Hedging Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Nonmonetary Notional Amount, Mass \| lb	143
Derivative, Average Forward Price \| $ / lb	5.06
Realized gains (losses):
Derivative Average Market Price \| $ / lb	5.65
Gold \| Short \| Embedded Derivative Financial Instruments \| Derivatives Not Designated as Hedging Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Nonmonetary Notional Amount, Mass \| oz	3
Derivative, Average Forward Price \| $ / oz	3,826
Realized gains (losses):
Derivative Average Market Price \| $ / oz	4,331
Gold and other metals \| Derivatives Not Designated as Hedging Instruments
Realized gains (losses):
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net \| $	$ 195	$ 169	$ 55