BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details) - Stelco Holdings Inc |
Nov. 01, 2024
USD ($)
shares
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Jul. 12, 2024
USD ($)
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Nov. 01, 2024
$ / shares
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|---|---|---|---|
| Business Acquisition [Line Items] | Ìý | Ìý | Ìý |
| Expected enterprise value of acquisition | Ìý | $ 2,500,000,000 | Ìý |
| Subsequent Event | Ìý | Ìý | Ìý |
| Business Acquisition [Line Items] | Ìý | Ìý | Ìý |
| Shares of Cliffs common shares issued to Stelco Holdings stockholders (in shares) | shares | 0.454 | Ìý | Ìý |
| Expected enterprise value of acquisition | $ 3,200,000,000 | Ìý | Ìý |
| Stelco Holdings Inc | Subsequent Event | Ìý | Ìý | Ìý |
| Business Acquisition [Line Items] | Ìý | Ìý | Ìý |
| Price per share (in dollars per share) | $ / shares | Ìý | Ìý | $ 60.00 |
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- Definition Number of shares of equity interests issued or issuable to acquire entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination. No definition available.
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- Definition Purchase price of expected business acquisition prior to consideration being transferred. Excludes asset acquisition. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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