XML 74 R63.htm IDEA: XBRL DOCUMENT v3.24.3
Balance Sheet and Cash Flow Supplemental Information - Schedule of Additional Supplemental Cash Flow Information (Details) - USD ($)
$ in Millions
 9 Months Ended 12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Supplemental non cash information:      
Operating activities - Chloride slag inventory purchases made from AMIC (including VAT) $ 44 $ 27  
Operating activities - MGT sales made to AMIC 5 5  
Operating activities - Withholding tax on sale of royalty interest 7 0  
Investing activities - Proceeds from sale of royalty interest 7 0  
Investing activities - In-kind receipt of AMIC loan repayment 44 27  
Financing activities - Initial commercial insurance premium financing agreement 18 18  
Financing activities - Repayment of MGT loan 5 5  
Capital expenditures acquired but not yet paid 76   $ 67
Condensed Balance Sheet Statements, Captions [Line Items]      
Investing activities - Proceeds from sale of royalty interest 7 $ 0  
CANADA      
Supplemental non cash information:      
Investing activities - Proceeds from sale of royalty interest 28    
Condensed Balance Sheet Statements, Captions [Line Items]      
Investing activities - Proceeds from sale of royalty interest $ 28