ACQUISITIONS - Pro Forma (Details) - Ferrous Processing and Trading $ in Millions |
12 Months Ended |
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Dec. 31, 2021
USD ($)
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| Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] | Ìý |
| Revenues | $ 21,701 |
| Net income attributable to Cliffs shareholders | $ 3,074 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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