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

Annual report pursuant to Section 13 and 15(d)

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

ACQUISITIONS - Narrative (Details)

v3.22.0.1

ACQUISITIONS - Narrative (Details) $ in Millions		1 Months Ended	12 Months Ended			13 Months Ended
ACQUISITIONS - Narrative (Details) $ in Millions	Mar. 13, 2020	Dec. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($) segment	Dec. 31, 2019 USD ($)	Dec. 31, 2021 USD ($)
Business Acquisition [Line Items]
Number of businesses acquired \| segment				2
Revenues			$ 20,444	$ 5,354	$ 1,990
Net loss attributable to acquisition			2,988	(122)	293
Amortization of inventory step-up			161	96	0
Acquisition-related costs			20	90	$ 7
Ferrous Processing and Trading
Business Acquisition [Line Items]
Revenues		$ 153
Net loss attributable to acquisition		18
Amortization of inventory step-up		$ 22
Acquisition-related costs			1
ArcelorMittal USA
Business Acquisition [Line Items]
Acquisition-related costs			3	26
Revaluation of equity method investment						$ 31
AK Steel
Business Acquisition [Line Items]
Acquisition-related costs			$ 1	$ 26
Exchange ratio	0.400

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