Quarterly report pursuant to Section 13 or 15(d)

EARNINGS PER SHARE - Earnings Per Share Computation (Details)

v3.23.1
EARNINGS PER SHARE - Earnings Per Share Computation (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Earnings Per Share [Abstract]    
Income (loss) from continuing operations $ (43) $ 813
Income attributable to noncontrolling interest (15) (13)
Net income (loss) from continuing operations attributable to Cliffs shareholders (58) 800
Income from discontinued operations, net of tax 1 1
Net income (loss) attributable to Cliffs shareholders $ (57) $ 801
Weighted average number of shares:    
Basic (in shares) 515 521
Convertible senior notes (in shares) 0 7
Employee stock plans (in shares) 0 4
Diluted (in shares) 515 532
Earnings per common share attributable to Cliffs shareholders - basic:    
Continuing operations (in dollars per share) $ (0.11) $ 1.54
Discontinued operations (in dollars per share) 0 0
Earnings per Common Share - Basic (in dollars per share) (0.11) 1.54
Earnings per common share attributable to Cliffs shareholders - diluted:    
Continuing operations (in dollars per share) (0.11) 1.50
Discontinued operations (in dollars per share) 0 0
Earnings per Common Share - Diluted (in dollars per share) $ (0.11) $ 1.50