RELATED PARTIES - Other Transactions With Related Parties (Details) - Calvert - Joint Venture - ArcelorMittal Calvert LLC - USD ($) $ in Millions |
Dec. 03, 2014 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure of transactions between related parties [line items] | ||
| Loan receivable | $ 253 | |
| Bottom of range | ||
| Disclosure of transactions between related parties [line items] | ||
| Loans interest rate (in percent) | 2.28% | |
| Loan maturity term | 1 year | |
| Top of range | ||
| Disclosure of transactions between related parties [line items] | ||
| Loans interest rate (in percent) | 6.93% | |
| Loan maturity term | 25 years |