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Related Parties - Narrative (Details - USD ($) $ in Millions | 3 Months Ended | 32 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2024 | Dec. 31, 2022 | Dec. 31, 2023 | May 10, 2023 | Dec. 17, 2020 | Dec. 29, 2019 | May 09, 2018
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Common stock, shares outstanding (in shares) | 157,838,425 |  | 156,793,755 |  |  |  |
Accrued interest income balance | $ 128 |  | $ 218 |  |  |  |
Related Party |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Ownership percentage by related party |  |  |  | 35.00% |  |  |
Related Party | Slagger |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Ownership percentage by related party |  |  |  | 65.00% |  |  |
Advanced Metal Industries Cluster Company Limited | Option Agreement, Option To Acquire Special Purchase Vehicle | Related Party |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Ownership percentage by related party |  |  |  |  |  |  | 90.00%
Advanced Metal Industries Cluster Company Limited | Acquisition Of Assets Producing Metal Grade TiCl4 | Related Party |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Accrued interest income balance |  |  |  |  |  | $ 36 |
Slagger | Advanced Metal Industries Cluster and Toho Titanium Metal Co. Ltd (ATTM) |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Loan commitment |  |  |  |  |  |  | $ 322
AMIC | Option Agreement, Amounts to be Reimbursed for Capital Expenditures and Operational Expenses |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Amount loaned to related parties |  | $ 36 |  |  |  |  |
AMIC | Option Agreement, Amounts to be Reimbursed for Capital Expenditures and Operational Expenses | Related Party |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Amounts receivable from related party |  |  |  |  |  |  | $ 125
Cristal | Related Party | MGT Loan |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Total outstanding note payable | $ 23 |  | $ 25 |  | $ 36 |  |
Cristal | Related Party | MGT Loan | Minimum |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Debt instrument, term | 4 years |  |  |  |  |  |
Cristal | Related Party | MGT Loan | Maximum |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Debt instrument, term | 5 years |  |  |  |  |  |
Cristal's Titanium Dioxide Business |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Ownership percentage | 24.00% |  |  |  |  |  |
Acquisition Of Assets Producing Metal Grade TiCl4 | Related Party | Advanced Metal Industries Cluster and Toho Titanium Metal Co. Ltd (ATTM) |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  | 65.00% |
Cristal's Titanium Dioxide Business |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Common stock, shares outstanding (in shares) | 37,580,000 |  |  |  |  |  |

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