Related Parties - Sales Outstanding Prepaid and Other Assets (Details) - USD ($) $ in Millions |
Sep. 30, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Related Party Transaction [Line Items] | ||
| Due from ATTM for MGT deliveries | $ 187 | $ 141 |
| Advanced Metal Industries Cluster and Toho Titanium Metal Co. Ltd (ATTM) | Receivable From MGT Product Sales | Related Party | ||
| Related Party Transaction [Line Items] | ||
| Due from ATTM for MGT deliveries | $ 9 | $ 9 |