Quarterly report pursuant to Section 13 or 15(d)

EARNINGS PER SHARE - Earnings Per Share Computation (Details)

v3.22.2
EARNINGS PER SHARE - Earnings Per Share Computation (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Earnings Per Share [Abstract]        
Income from continuing operations $ 600 $ 794 $ 1,413 $ 851
Income attributable to noncontrolling interest (5) (15) (18) (31)
Net income from continuing operations attributable to Cliffs shareholders 595 779 1,395 820
Income from discontinued operations, net of tax 1 1 2 1
Net income attributable to Cliffs shareholders $ 596 $ 780 $ 1,397 $ 821
Weighted average number of shares:        
Basic (in shares) 523 500 522 495
Redeemable preferred shares (in shares) 0 58 0 58
Convertible senior notes (in shares) 0 22 4 21
Employee stock plans (in shares) 3 5 3 5
Diluted (in shares) 526 585 529 579
Earnings per common share attributable to Cliffs shareholders - basic:        
Continuing operations (in dollars per share) $ 1.14 $ 1.40 $ 2.67 $ 1.48
Discontinued operations (in dollars per share) 0 0 0 0
Earnings per Common Share - Basic (in dollars per share) 1.14 1.40 2.67 1.48
Earnings per common share attributable to Cliffs shareholders - diluted:        
Continuing operations (in dollars per share) 1.13 1.33 2.64 1.42
Discontinued operations (in dollars per share) 0 0 0 0
Earnings (Loss) per Common Share - Diluted (in dollars per share) $ 1.13 $ 1.33 $ 2.64 $ 1.42
Undistributed Earnings (Loss) Available to Common Shareholders, Basic   $ 82   $ 86