Cleveland-Cliffs Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

SHAREHOLDERS' EQUITY Accumulate Other Comprehensive Income (Loss) (Details)

SHAREHOLDERS' EQUITY Accumulate Other Comprehensive Income (Loss) (Details) (USD $) In Millions, unless otherwise specified					3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2014 Accumulated Other Comprehensive Income (Loss) [Member]	Mar. 31, 2013 Accumulated Other Comprehensive Income (Loss) [Member]	Mar. 31, 2014 Accumulated Defined Benefit Plans Adjustment [Member]	Mar. 31, 2013 Accumulated Defined Benefit Plans Adjustment [Member]	Mar. 31, 2014 Accumulated Net Unrealized Investment Gain (Loss) [Member]	Mar. 31, 2013 Accumulated Net Unrealized Investment Gain (Loss) [Member]	Mar. 31, 2014 Accumulated Translation Adjustment [Member]	Mar. 31, 2013 Accumulated Translation Adjustment [Member]	Mar. 31, 2014 Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Mar. 31, 2013 Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Mar. 31, 2014 Accumulated Defined Benefit Plans Adjustment [Member]	Mar. 31, 2013 Accumulated Defined Benefit Plans Adjustment [Member]	Mar. 31, 2014 Accumulated Net Unrealized Investment Gain (Loss) [Member]	Mar. 31, 2013 Accumulated Net Unrealized Investment Gain (Loss) [Member]	Mar. 31, 2014 Accumulated Translation Adjustment [Member]	Mar. 31, 2013 Accumulated Translation Adjustment [Member]	Mar. 31, 2014 Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Mar. 31, 2013 Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax	$ (202.0)	$ (204.9)	$ (377.4)	$ (382.7)
Accumulated other comprehensive loss	(55.1)	(112.9)	(51.4)	(55.6)
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	10.1	6.2	4.7	2.1
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax	147.2	106.7	319.6	316.3
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax	(10.4)	(20.9)	1.7	8.7
Other Comprehensive Income (Loss), before Reclassifications, before Tax					41.6	(0.3)	(0.4)	(1.1)	3.8	2.5	40.5	3.3	(2.3)	(5.0)
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)					$ 16.2	$ 4.5									$ 3.3	$ 6.4	$ 0.1	$ 0.1	$ 0	$ 0	$ 12.8	$ (2.0)

- Definition

Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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- Definition

The total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

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- Definition

Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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