v3.26.3
Corporate and Group information (Details)
$ / shares in Units, $ in Thousands, T in Millions
 1 Months Ended 9 Months Ended
Aug. 08, 2025
USD ($)
Jul. 18, 2025
USD ($)
T
$ / shares
May 31, 2025
USD ($)
Mar. 31, 2024
Jan. 31, 2024
USD ($)
Jan. 31, 2021
Sep. 30, 2026
USD ($)
patent
application
country
Mar. 10, 2026
km
Dec. 31, 2025
patent
application
country
Aug. 29, 2025
USD ($)
Disclosure of detailed information about financial instruments [line items]                    
Number of kilometers that project lies | km               200    
Number of patents held | patent             285   181  
Number of applications in progress | application             32   80  
Number of countries | country             93   93  
Number of patents | patent             6      
Percentage of NCI (%)           16.00%        
Kabanga Nickel Limited                    
Disclosure of detailed information about financial instruments [line items]                    
Percentage of Ownership (%)   100.00%                
Total consideration amount   $ 10,000                
Aggregate funding   $ 250,000                
Reference share price (in dollars per share) | $ / shares   $ 4.16                
Reference amount   $ 28,000                
Maximum amount of payment for contingent consideration arrangements   $ 83,000                
Number of tonnes per annum | T   3.4                
Kabanga Nickel Limited | Bottom of range                    
Disclosure of detailed information about financial instruments [line items]                    
Maximum payment amount, resettlement action plan triggering event   $ 8,000                
Kabanga Nickel Limited | Top of range                    
Disclosure of detailed information about financial instruments [line items]                    
Maximum payment amount, resettlement action plan triggering event   $ 75,000                
Kabanga Nickel Limited | Senior Secured Bridge Loan Facility Warrants                    
Disclosure of detailed information about financial instruments [line items]                    
Borrowing capacity $ 60,000           $ 18,300     $ 60,000
Option to extend term 6 months                  
Amount received from first tranche for finance fund             $ 41,700      
Kabanga Nickel Limited | First Deferred Cash Payment                    
Disclosure of detailed information about financial instruments [line items]                    
Period payable for fixed cash payment   30 days                
Period minimum to receive deferred cash payment   12 months                
Kabanga Nickel Limited | Second Deferred Cash Payment                    
Disclosure of detailed information about financial instruments [line items]                    
Period payable for fixed cash payment   30 days                
Period minimum to receive deferred cash payment   12 months                
Kabanga Nickel Limited | BHP                    
Disclosure of detailed information about financial instruments [line items]                    
Interest held   17.00%                
Kabanga Nickel Limited | Tembo Nickel Corporation Limited (TNCL)                    
Disclosure of detailed information about financial instruments [line items]                    
Percentage of Ownership (%)             84.00%      
Government Of Tanzania | Tembo Nickel Corporation Limited (TNCL)                    
Disclosure of detailed information about financial instruments [line items]                    
Percentage of NCI (%)       16.00%     16.00%      
Glencore | Lifezone Recycling US, LLC                    
Disclosure of detailed information about financial instruments [line items]                    
Percentage of NCI (%)             5.44%      
Kabanga Nickel Limited                    
Disclosure of detailed information about financial instruments [line items]                    
Investment amount             $ 466,000      
Musongati Nickel Project                    
Disclosure of detailed information about financial instruments [line items]                    
Agreement grants exclusivity period               14 months    
Lifezone And Glencore | Lifezone Recycling US, LLC                    
Disclosure of detailed information about financial instruments [line items]                    
Amount funded to entity     $ 2,000   $ 1,500