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v3.25.1

Financial Instruments - Unrealized gains losses (Details) oz in Thousands, lb in Millions, $ in Millions |  | 3 Months Ended
--- | --- | ---
Jun. 30, 2023 oz lb | Mar. 31, 2025 USD ($) lb $ / lb $ / lb $ / oz | Mar. 31, 2024 USD ($)
Commodity Contract |  |  |
Unrealized gains (losses): |  |  |
Derivative financial instruments |  | $ 81 | $ 9
Hedged item – firm sales commitments |  | (81) | (9)
Realized gains (losses): |  |  |
Matured derivative financial instruments |  | 20 | 1
Matured derivative financial instruments |  | $ 20 | 1
Commodity Contract | Designated as Hedging Instrument |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative, Nonmonetary Notional Amount, Mass | lb |  | 118 |
Derivative, Average Forward Price | $ / lb |  | 4.64 |
Forward Contracts | Not Designated as Hedging Instrument |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative, Nonmonetary Notional Amount, Mass | lb |  | 97 |
Derivative, Average Forward Price | $ / lb |  | 4.42 |
Realized gains (losses): |  |  |
Matured derivative financial instruments |  | $ (38) | (9)
Matured derivative financial instruments |  | (38) | (9)
Copper | Not Designated as Hedging Instrument |  |  |
Realized gains (losses): |  |  |
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net |  | $ 116 | 66
Copper | Short [Member] | Embedded Derivative Financial Instruments | Not Designated as Hedging Instrument |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative, Nonmonetary Notional Amount, Mass | lb | 357 |  |
Derivative, Average Forward Price | $ / lb |  | 4.30 |
Realized gains (losses): |  |  |
Derivative Average Market Price | $ / lb |  | 4.40 |
Copper | Long [Member] | Embedded Derivative Financial Instruments | Not Designated as Hedging Instrument |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative, Nonmonetary Notional Amount, Mass | lb | 55 |  |
Derivative, Average Forward Price | $ / lb |  | 4.31 |
Realized gains (losses): |  |  |
Derivative Average Market Price | $ / lb |  | 4.39 |
Gold | Short [Member] | Embedded Derivative Financial Instruments | Not Designated as Hedging Instrument |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative, Nonmonetary Notional Amount, Mass | oz | 99 |  |
Derivative, Average Forward Price | $ / oz |  | 2,991 |
Realized gains (losses): |  |  |
Derivative Average Market Price | $ / oz |  | 3,130 |
gold and other | Not Designated as Hedging Instrument |  |  |
Realized gains (losses): |  |  |
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net |  | $ 38 | $ 44

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