EARNINGS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Earnings Per Share Computation

The following table summarizes the computation of basic and diluted EPS:

	Year Ended December 31,
(In millions, except per share amounts)	2023		2022		2021
Income from continuing operations	$	449	$	1,373	$	3,030
Income from continuing operations attributable to noncontrolling interest	(51)		(41)		(45)
Net income from continuing operations attributable to Cliffs shareholders	398		1,332		2,985
Income from discontinued operations, net of tax	1		3		3
Net income attributable to Cliffs shareholders	$	399	$	1,335	$	2,988
Weighted average number of shares:
Basic	510		519		498
Redeemable preferred shares	—		—		33
Convertible senior notes1	—		2		22
Employee stock plans	1		3		5
Diluted	511		524		558
Earnings per common share attributable to Cliffs common shareholders - basic2:
Continuing operations	$	0.78	$	2.57	$	5.62
Discontinued operations	—		—		0.01
	$	0.78	$	2.57	$	5.63
Earnings per common share attributable to Cliffs common shareholders - diluted:
Continuing operations	$	0.78	$	2.55	$	5.35
Discontinued operations	—		—		0.01
	$	0.78	$	2.55	$	5.36
1 On January 1, 2022, we adopted ASU 2020-06, Debt - Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging - Contracts in Entity's Own Equity (Subtopic 815-40). We utilized the modified retrospective method of adoption; using this approach, the guidance was applied to transactions outstanding as of the beginning of the fiscal year.
2 For the year ended December 31, 2021, basic earnings per share was calculated by dividing Net income attributable to Cliffs shareholders, less $187 million of earnings attributed to Series B Participating Redeemable Preferred Stock, by the weighted average number of basic common shares outstanding during the period presented.

Schedule of Potentially Dilutive Shares Excluded from the Computation of Diluted Earnings Per Share

The following table summarizes the potentially dilutive shares that were excluded from the computation of diluted earnings per share because their effect would have been anti-dilutive:

	Year Ended December 31,
(In millions)	2023	2022	2021
Employee stock plans	2	—	—