CASH FLOW INFORMATION (Narrative) (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified |
3 Months Ended | ||||||
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Mar. 31, 2015
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Mar. 31, 2014
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May 01, 2015
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Feb. 02, 2015
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Nov. 03, 2014
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Aug. 01, 2014
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May 01, 2014
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Dividends Payable [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Depositary Share Interest in a Share of 7% Series A Mandatory Convertible Preferred Stock, Class A | 0.025clf_DepositaryShareInterestInShareOf7SeriesMandatoryConvertiblePreferredStockClassA | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Preferred stock cash dividend | $ 12.8us-gaap_DividendsPreferredStock | $ 12.8us-gaap_DividendsPreferredStock | Ìý | Ìý | Ìý | Ìý | Ìý |
Preferred Class A [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Dividends Payable [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Dividends payable, per share | Ìý | Ìý |
$ 17.50us-gaap_DividendsPayableAmountPerShare / us-gaap_StatementClassOfStockAxis = us-gaap_PreferredClassAMember |
$ 17.50us-gaap_DividendsPayableAmountPerShare / us-gaap_StatementClassOfStockAxis = us-gaap_PreferredClassAMember |
$ 17.50us-gaap_DividendsPayableAmountPerShare / us-gaap_StatementClassOfStockAxis = us-gaap_PreferredClassAMember |
$ 17.50us-gaap_DividendsPayableAmountPerShare / us-gaap_StatementClassOfStockAxis = us-gaap_PreferredClassAMember |
$ 17.50us-gaap_DividendsPayableAmountPerShare / us-gaap_StatementClassOfStockAxis = us-gaap_PreferredClassAMember |
Preferred stock cash dividend |
$ 12.8us-gaap_DividendsPreferredStock / us-gaap_StatementClassOfStockAxis = us-gaap_PreferredClassAMember |
$ 12.8us-gaap_DividendsPreferredStock / us-gaap_StatementClassOfStockAxis = us-gaap_PreferredClassAMember |
Ìý | Ìý | Ìý | Ìý | Ìý |
Depositary Share [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Dividends Payable [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Dividends payable, per share | Ìý | Ìý |
$ 0.44us-gaap_DividendsPayableAmountPerShare / us-gaap_StatementClassOfStockAxis = clf_DepositarySharesMember |
$ 0.44us-gaap_DividendsPayableAmountPerShare / us-gaap_StatementClassOfStockAxis = clf_DepositarySharesMember |
$ 0.440us-gaap_DividendsPayableAmountPerShare / us-gaap_StatementClassOfStockAxis = clf_DepositarySharesMember |
$ 0.440us-gaap_DividendsPayableAmountPerShare / us-gaap_StatementClassOfStockAxis = clf_DepositarySharesMember |
$ 0.440us-gaap_DividendsPayableAmountPerShare / us-gaap_StatementClassOfStockAxis = clf_DepositarySharesMember |
X | ||||||||||
- Definition
Depositary Share Interest in a Share of 7% Series A Mandatory Convertible Preferred Stock, Class A No definition available.
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X | ||||||||||
- Definition
The per share amount of a dividend declared, but not paid, as of the financial reporting date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Details
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X | ||||||||||
- Definition
Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Details
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X | ||||||||||
- Details
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