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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Notes) | 12 Months Ended
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Dec. 31, 2018
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |
SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] |
Cleveland-Cliffs Inc. and Subsidiaries
Schedule II – Valuation and Qualifying Accounts
(In Millions)
|  |  | Additions |  |  |  |
| Balance at Beginning of Year |  | Charged to Cost and Expenses |  | Charged to Other Accounts |  |  |  |  |  | Balance at End of Year
Classification |  |  |  | Acquisition |  | Deductions |
Year Ended December 31, 2018: |  |  |  |  |  |  |  |  |  |  |
Deferred Tax Valuation Allowance | $ | 1,983.1 |  |  | $ | (691.3 | ) |  | $ | (4.5 | ) |  | $ | — |  |  | $ | — |  |  | $ | 1,287.3 |
Year Ended December 31, 2017: |  |  |  |  |  |  |  |  |  |  |
Deferred Tax Valuation Allowance | $ | 3,095.1 |  |  | $ | (1,120.0 | ) |  | $ | (9.8 | ) |  | $ | 17.8 |  |  | $ | — |  |  | $ | 1,983.1 |
Year Ended December 31, 2016: |  |  |  |  |  |  |  |  |  |  |
Deferred Tax Valuation Allowance | $ | 3,099.8 |  |  | $ | (7.6 | ) |  | $ | 5.1 |  |  | $ | — |  |  | $ | 2.2 |  |  | $ | 3,095.1 |
Accounts Receivable Allowance | $ | 7.1 |  |  | $ | — |  |  | $ | (7.1 | ) |  | $ | — |  |  | $ | — |  |  | $ | — |

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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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. + References No definition available. + Details
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