EARNINGS PER SHARE (Tables)

6 Months Ended

Jun. 30, 2021

Earnings Per Share [Abstract]

Earnings Per Share Computation

The following table summarizes the computation of basic and diluted earnings per share:

	(In Millions, Except Per Share Amounts)
	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Income (loss) from continuing operations	$	794	$	(107)	$	851	$	(157)
Income from continuing operations attributable to noncontrolling interest	(15)		(16)		(31)		(19)
Net income (loss) from continuing operations attributable to Cliffs shareholders	779		(123)		820		(176)
Income (loss) from discontinued operations, net of tax	1		(1)		1		—
Net income (loss) attributable to Cliffs shareholders	$	780	$	(124)	$	821	$	(176)
Weighted average number of shares:
Basic	500		399		495		348
Redeemable preferred shares	58		—		58		—
Convertible senior notes	22		—		21		—
Employee stock plans	5		—		5		—
Diluted	585		399		579		348
Earnings (loss) per common share attributable to Cliffs shareholders - basic1:
Continuing operations	$	1.40	$	(0.31)	$	1.48	$	(0.51)
Discontinued operations	—		—		—		—
	$	1.40	$	(0.31)	$	1.48	$	(0.51)
Earnings (loss) per common share attributable to Cliffs shareholders - diluted:
Continuing operations	$	1.33	$	(0.31)	$	1.42	$	(0.51)
Discontinued operations	—		—		—		—
	$	1.33	$	(0.31)	$	1.42	$	(0.51)
1 For the three and six months ended June 30, 2021, basic earnings per share is calculated by dividing Net income (loss) attributable to Cliffs shareholders, less $82 million and $86 million, respectively, of earnings attributed to Series B Participating Redeemable Preferred Stock, by the weighted average number of basic common shares outstanding during the period presented.