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v3.25.3

Debt and Equity - Additional Information (Details) - USD ($) $ / shares in Units, shares in Millions | 3 Months Ended | 9 Months Ended | 47 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Oct. 31, 2025 | Dec. 31, 2024
Debt Instrument [Line Items] |  |  |  |  |  |
Interest costs | $ 182,000,000 | $ 173,000,000 | $ 537,000,000 | $ 529,000,000 |  |
Interest costs capitalized | $ 75,000,000 | $ 101,000,000 | $ 278,000,000 | $ 280,000,000 |  |
Treasury stock purchases (in shares) |  |  | 2.9 |  |  |
Shares repurchased |  |  | $ 107,000,000 |  |  |
Cost per share repurchased (in dollars per share) |  |  | $ 36.41 |  |  |
Dividends declared per share of common stock (in dollars per share) | $ 0.15 | $ 0.15 | $ 0.45 | $ 0.45 |  |
Base cash dividend (in dollars per share) | 0.075 |  |  |  |  |
Variable cash dividend (in dollars per share) | $ 0.075 |  |  |  |  |
Subsequent event |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Stock repurchase program, authorized amount |  |  |  |  | $ 3,000,000,000 |
Subsequent event | Share Repurchase Program |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Treasury stock purchases (in shares) |  |  |  |  | 52.0 |
Cost per share repurchased (in dollars per share) |  |  |  |  | $ 38.51 |
Line of Credit | Revolving Credit Facility | October 2022 Unsecured Revolving Credit Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 3,000,000,000.0 |  | $ 3,000,000,000.0 |  |  |
Line of credit | 0 |  | 0 |  |  |
Line of Credit | Revolving Credit Facility | PT-FI | October 2022 Unsecured Revolving Credit Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity | 500,000,000 |  | 500,000,000 |  |  |
Line of Credit | Letter of Credit |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Revolving credit facility, availability | 1,500,000,000 |  | 1,500,000,000 |  |  |
Line of credit | 5,000,000 |  | 5,000,000 |  |  |
Line of Credit | Unsecured Credit Facility | PT-FI |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity | 1,750,000,000 |  | 1,750,000,000 |  |  |
Line of credit | 250,000,000 |  | 250,000,000 |  |  | $ 250,000,000
Line of Credit | Unsecured Credit Facility | Cerro Verde |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity | 350,000,000 |  | 350,000,000 |  |  |
Line of credit | $ 0 |  | $ 0 |  |  |

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