Debt - Schedule of Fair Value of Conversion Right Using Finite Difference Method and Share Interest Feature Using the Monte Carlo Simulations (Details) - $ / shares |
9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Jun. 29, 2026 |
Aug. 08, 2025 |
Sep. 30, 2026 |
Dec. 31, 2025 |
|
| Disclosure of detailed information about financial instruments [line items] | ||||
| Share price (in dollars per share) | $ 3.96 | $ 4.32 | ||
| Strike price (in dollars per share) | $ 6.25 | $ 5.42 | ||
| Risk-free Rate | 3.82% | 3.73% | ||
| Peer group percentage | 75.00% | 65.00% | ||
| Dividend yield | 0.00% | 0.00% | ||
| Valuation Date | ||||
| Disclosure of detailed information about financial instruments [line items] | ||||
| Key Inputs | June 29, 2026 (date of signing) | August 8, 2025 (date of signing) | September 30, 2026 | December 31, 2025 |
| Maturity Date | ||||
| Disclosure of detailed information about financial instruments [line items] | ||||
| Key Inputs | June 29, 2031 | August 8, 2030 | ||
| Share Price | ||||
| Disclosure of detailed information about financial instruments [line items] | ||||
| Key Inputs | $3.96 (closing share price on June 26, 2026) | $4.32 based on Lifezone's 30 day VWAP closing share price on the NYSE | 3.76 | 4.27 |
| Strike Price | ||||
| Disclosure of detailed information about financial instruments [line items] | ||||
| Key Inputs | $6.25/share | $5.42/share | ||
| Risk-free Rate | ||||
| Disclosure of detailed information about financial instruments [line items] | ||||
| Key Inputs | 3.82 | 3.73 | Zero coupon curve based on United States Dollar Swap rates | Zero coupon curve based on United States Dollar Swap rates |
| Equity Volatility | ||||
| Disclosure of detailed information about financial instruments [line items] | ||||
| Key Inputs | 75%, based on review of the historical volatility (rounded) of Lifezone and a group of industry peer companies | 65%, selected based on review of the volatility (rounded) of a group of peer companies | 75 | 70 |
| Dividend Yield | ||||
| Disclosure of detailed information about financial instruments [line items] | ||||
| Key Inputs | Assumed at 0% as management does not expect dividends to be distributed during the term of the Warrants | Assumed at 0% as management does not expect dividends to be distributed during the term of the Warrants | - | - |
| Credit Spread | ||||
| Disclosure of detailed information about financial instruments [line items] | ||||
| Key Inputs | 20.7 | 17.8 |