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Related Parties (Tables) | 6 Months Ended
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Jun. 30, 2026
Related Party Transactions [Abstract] |
Schedule of Related Party Transactions | The following table shows the amount of feedstock purchased from the Slagger, which is subsequently recorded in "Cost of goods sold" on our unaudited Condensed Consolidated Statement of Operations:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2026 |  | 2025 |  | 2026 |  | 2025
Settled as in-kind repayment of Tronox Loans | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 10 |
Settled in cash | 7 |  |  | 14 |  |  | 14 |  |  | 20 |
Total chloride slag purchases | $ | 7 |  |  | $ | 14 |  |  | $ | 14 |  |  | $ | 30 |
The following table shows the amounts due to ASIC at period-end regarding feedstock purchased from the Slagger, which are recorded in "Accrued liabilities" on our unaudited Condensed Consolidated Balance Sheet:
| June 30, 2026 |  | December 31, 2025
Amount due for slag purchases | $ | 4 |  |  | $ | 3 |
The note payable is recorded within "Long-term debt, net" and "Long-term debt due within one year" on the unaudited Condensed Consolidated Balance Sheet.
| June 30, 2026 |  | December 31, 2025
Note payable, due within 1 year | $ | 8 |  |  | $ | 8 |
Note payable, due longer than 1 year from now | 2 |  | 5
Total outstanding note payable | $ | 10 |  |  | $ | 13 |
Amounts regarding loan repayments for the MGT Loan, which are recorded on the unaudited Condensed Consolidated Statement of Operations within “Net sales,” are shown below:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2026 |  | 2025 |  | 2026 |  | 2025
Interest expense | $ | — |  |  | $ | 1 |  |  | $ | — |  |  | $ | 1 |
Loan Repayment via MGT delivered to ATTM | $ | 2 |  |  | $ | 1 |  |  | $ | 3 |  |  | $ | 3 |
As a result of these transactions we have entered into related to the MGT assets, Tronox purchases chlorine gas from ATTM for use in the production of MGT and such transactions are reflected as follows:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2026 |  | 2025 |  | 2026 |  | 2025
Purchases of chlorine gas | $ | 2 |  |  | $ | 2 |  |  | $ | 4 |  |  | $ | 4 |
These purchases are subsequently recorded within “Cost of goods sold” on the unaudited Condensed Consolidated Statement of Operations. Amounts due at period end, which are presented below, are recorded within “Accrued liabilities” on the unaudited Condensed Consolidated Balance Sheet.
| June 30, 2026 |  | December 31, 2025
Amount due related to purchases of chlorine gas | $ | 2 |  |  | $ | 1 |
As Tronox delivers MGT product to ATTM, amounts are recorded within “Net sales” on the unaudited Condensed Consolidated Statement of Operations, as shown below:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2026 |  | 2025 |  | 2026 |  | 2025
MGT sales made to ATTM as product is delivered | $ | 13 |  |  | $ | 13 |  |  | $ | 25 |  |  | $ | 29 |
Amounts related to MGT deliveries that are outstanding at period end are recorded in “Prepaid and other assets” on the unaudited Condensed Consolidated Balance Sheet, as shown below:
| June 30, 2026 |  | December 31, 2025
Due from ATTM for MGT deliveries | $ | 11 |  |  | $ | 5 |

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483326/850-10-50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483326/850-10-50-1 + Details
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