- Definition[Line Items] for Disclosure Of Potential Exposure To Future Cash Outflows Not Reflected In Measurement Of Lease Liability [Table]
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| Name: |
mt_DisclosureOfPotentialExposureToFutureCashOutflowsNotReflectedInMeasurementOfLeaseLiabilityLineItems |
| Namespace Prefix: |
mt_ |
| Data Type: |
xbrli:stringItemType |
| Balance Type: |
na |
| Period Type: |
duration |