Cleveland-Cliffs Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

ENVIRONMENTAL AND MINE CLOSURE OBLIGATIONS (Asset Retirement Obligation Disclosure) (Details)

v3.6.0.2

ENVIRONMENTAL AND MINE CLOSURE OBLIGATIONS (Asset Retirement Obligation Disclosure) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Accrual for Environmental Loss Contingencies	$ 2.8	$ 3.6
Mine Reclamation and Closing Liability, current and noncurrent	204.0	230.4
Environmental Loss Contingency And Mine Reclamation And Closing Liability Current And Noncurrent	206.8	234.0
Environmental Loss Contingency And Mine Reclamation And Closing Liability Current	12.9	2.8
Environmental Loss Contingency And Mine Reclamation And Closing Liability Noncurrent	193.9	231.2
Asset Retirement Obligation	204.0	230.4	$ 165.3
Asset Retirement Obligation, Accretion Expense	14.0	7.7
Asset Retirement Obligation, Foreign Currency Translation Gain (Loss)	(0.2)	(1.1)
Asset Retirement Obligation, Liabilities Settled	(2.2)	0.0
Asset Retirement Obligation, Revision of Estimate	(38.0)	58.5
Previously Owned Or Operating Facilities [Member] \| LTV Steel Mining Company [Member]
Mine Reclamation and Closing Liability, current and noncurrent	25.5	24.1
U.S. Iron Ore [Member] \| Owned Or Operating Facilities [Member]
Mine Reclamation and Closing Liability, current and noncurrent	187.8	214.0
Asia Pacific Iron Ore [Member] \| Owned Or Operating Facilities [Member]
Mine Reclamation and Closing Liability, current and noncurrent	$ 16.2	$ 16.4

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Amount of environmental loss contingencies, such as presence of hazardous waste, relevant information from reports issued by regulators, and estimated costs to achieve compliance with regulatory requirements. As well as, the amount of a reclamation and mine closing liability that is associated with a legal obligation for the closure and reclamation of a mine including the removal of buildings, equipment, machinery and other physical remnants of mining, closure of tailings impoundments, leach pads and other mine features, and contouring, covering and revegetation of waste rock piles and other disturbed areas.

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Mine Reclamation and Closing Liability, current and noncurrent

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Total costs accrued as of the balance sheet date for environmental loss contingencies.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.

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Amount of foreign currency translation gain (loss) which decreases (increases) asset retirement obligations.

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Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset.

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