Contingencies and Commitments - Indonesia Matters (Details) - USD ($) $ in Millions |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Jan. 01, 2042 |
|
| Loss Contingencies [Line Items] | |||
| Capacity percentage | 60.00% | ||
| PTFI mud rush incident insurance settlement | $ 699 | $ 0 | |
| PT Freeport Indonesia | |||
| Loss Contingencies [Line Items] | |||
| PTFI mud rush incident insurance settlement | $ 700 | ||
| PT Freeport Indonesia | |||
| Loss Contingencies [Line Items] | |||
| Noncontrolling interest, ownership percentage by parent | 48.76% | ||
| PT Freeport Indonesia | Forecast | |||
| Loss Contingencies [Line Items] | |||
| Noncontrolling interest, ownership percentage by parent | 37.00% | ||
| Mud Rush | |||
| Loss Contingencies [Line Items] | |||
| Production and delivery | $ 499 | ||
| Recovery costs | (406) | ||
| Cost Associated With Idle Facilities, Depreciation, Amortization and Depletion | $ (93) | ||