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v3.22.2.2

Debt and Equity - Additional Information (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 11 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 21, 2022 | Oct. 31, 2022 | May 31, 2022 | Apr. 30, 2022 | Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Nov. 04, 2022 | Jul. 31, 2022 | Jun. 30, 2022 | Dec. 31, 2021
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  | $ 10,690 |  | $ 10,690 |  | $ 10,690 |  |  |  | $ 9,450
Repayments of debt |  |  |  |  |  |  | 4,073 | $ 672 |  |  |  |  |
Net gain on early extinguishment of debt |  |  |  |  | (20) | $ 0 | (28) | 0 |  |  |  |  |
Interest costs |  |  |  |  | 182 | $ 157 | $ 524 | $ 482 |  |  |  |  |
Stock repurchase program, authorized amount |  |  |  |  |  |  |  |  |  |  | $ 5,000 | $ 3,000 |
Treasury stock purchases (in shares) |  |  |  |  |  |  | 35.1 |  | 47.9 |  |  |  |
Shares repurchased |  |  |  |  |  |  | $ 1,300 |  | $ 1,800 |  |  |  |
Cost per share repurchased (in dollars per share) |  |  |  |  |  |  | $ 38.36 |  | $ 38.35 |  |  |  |
Remaining authorized shares repurchase amount |  |  |  |  | $ 3,200 |  | $ 3,200 |  | $ 3,200 |  |  |  |
Dividends declared per share of common stock (in dollars per share) | $ 0.15 |  |  |  | $ 0.15 | $ 0.075 | $ 0.45 | $ 0.225 |  |  |  |  |
Base cash dividend (in dollars per share) | 0.075 |  |  |  |  |  |  |  |  |  |  |  |
Variable cash dividend (in dollars per share) | $ 0.075 |  |  |  |  |  |  |  |  |  |  |  |
Unsecured Credit Facility | PT-FI |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Letter of credit |  |  |  |  | $ 0 |  | $ 0 |  | 0 |  |  |  |
Debt instrument, term |  |  |  | 5 years |  |  |  |  |  |  |  |  |
Increase in line of credit |  |  |  | $ 1,300 |  |  |  |  |  |  |  |  |
Net gain on early extinguishment of debt |  |  |  | 10 |  |  |  |  |  |  |  |  |
Unsecured Credit Facility | Cerro Verde |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Letter of credit |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  | $ 350 |  |  |  |  |  |  |  |  |  |
Debt instrument, term |  |  | 5 years |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest costs capitalized |  |  |  |  | 42 | $ 19 | 101 | $ 51 |  |  |  |  |
Line of Credit | Cerro Verde |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  | 325
Line of Credit | Letter of Credit |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Letter of credit |  |  |  |  | 8 |  | 8 |  | 8 |  |  |  |
Line of Credit | Letter of Credit | Subsequent event |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving credit facility, availability |  | $ 1,500 |  |  |  |  |  |  |  |  |  |  |
Line of Credit | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |
Line of Credit | Revolving Credit Facility | October 2022 Unsecured Revolving Credit Facility | Subsequent event |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  | $ 3,000 |  |  |  |  |  |  |  |  |  |  |
Debt instrument, term |  | 5 years |  |  |  |  |  |  |  |  |  |  |
Line of Credit | Revolving Credit Facility | PT-FI | October 2022 Unsecured Revolving Credit Facility | Subsequent event |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  | $ 500 |  |  |  |  |  |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Principal Amount |  |  |  |  | 984 |  | 984 |  | 984 |  |  |  |
Net gain on early extinguishment of debt |  |  |  |  | (20) |  | (38) |  |  |  |  |  |
Senior Notes | Subsequent event |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Principal Amount |  |  |  |  |  |  |  |  |  | $ 78 |  |  |
Senior Notes | PT-FI |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  | $ 2,976 |  | $ 2,976 |  | $ 2,976 |  |  |  | $ 0
Principal Amount |  |  |  | 3,000 |  |  |  |  |  |  |  |  |
Repayments of debt |  |  |  | 600 |  |  |  |  |  |  |  |  |
Senior Notes | PT-FI | 4.763% Senior Notes Due 2027 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Principal Amount |  |  |  | 750 |  |  |  |  |  |  |  |  |
Senior Notes | PT-FI | 5.315% Senior Notes Due 2032 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Principal Amount |  |  |  | 1,500 |  |  |  |  |  |  |  |  |
Senior Notes | PT-FI | 6.200% Senior Notes Due 2052 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Principal Amount |  |  |  | $ 750 |  |  |  |  |  |  |  |  |

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