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

Annual report pursuant to Section 13 and 15(d)

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

FAIR VALUE OF FINANCIAL INSTRUMENTS (Fair Value, Assets and Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation) (Details)

v2.4.0.6

FAIR VALUE OF FINANCIAL INSTRUMENTS (Fair Value, Assets and Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Dec. 31, 2011	Jun. 30, 2011	Dec. 31, 2012	Dec. 31, 2011
Fair Value, Assets Measured On Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning balance - January 1			$ 157.9	$ 45.6
Total gains
Included in earnings			174.9	403.0
Included in other comprehensive income			0	0
Settlements			(270.4)	(319.7)
Transfers into Level 3	49.0		0	49.0
Transfers out of Level 3		(20.0)	0	(20.0)
Ending balance - December 31	157.9		62.4	157.9
Total gains (losses) for the period included in earnings attributable to the change in unrealized gains (losses) on assets (liabilities) still held at the reporting date			174.9	403.0
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning balance - January 1			(19.5)	0
Total gains
Included in earnings			(11.3)	(19.5)
Included in other comprehensive income			0	0
Settlements			19.5	0
Transfers into Level 3			0	0
Transfers out of Level 3			0	0
Ending balance - December 31	(19.5)		(11.3)	(19.5)
Total gains (losses) for the period included in earnings attributable to the change in unrealized gains (losses) on assets (liabilities) still held at the reporting date			$ (11.3)	$ (19.5)

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