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

Quarterly report pursuant to Section 13 or 15(d)

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Accounting Policies
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FAIR VALUE MEASUREMENTS (Fair Value, Assets and Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation) (Details)

v3.19.3

FAIR VALUE MEASUREMENTS (Fair Value, Assets and Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Fair Value, Assets Measured On Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning balance	$ 118.1	$ 174.6	$ 91.4	$ 49.5
Included in earnings	(6.5)	139.0	83.1	341.8
Settlements	(38.8)	(123.0)	(101.7)	(200.7)
Ending balance - September 30	72.8	190.6	72.8	190.6
Total gains (losses) for the period included in earnings attributable to the change in unrealized gains on assets still held at the reporting date	(6.5)	15.9	81.8	141.0
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning balance	0.0	(3.0)	0.0	(1.7)
Included in earnings	(34.4)	(3.1)	(39.7)	(7.4)
Settlements	4.2	0.4	9.5	3.4
Ending balance - September 30	(30.2)	(5.7)	(30.2)	(5.7)
Total losses for the period included in earnings attributable to the change in unrealized losses on liabilities still held at the reporting date	$ (30.2)	$ (2.7)	$ (30.2)	$ (5.7)

- Definition

Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of unrealized gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3) and still held.

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Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

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Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

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