Annual report pursuant to Section 13 and 15(d)

Statements of Consolidated Changes in Equity

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Statements of Consolidated Changes in Equity - USD ($)
$ in Millions
Total
ArcelorMittal USA
Common Stock
Capital in Excess of Par Value of Shares
Retained Earnings (Deficit)
Common Shares in Treasury
AOCI (Loss)
Non- controlling Interests
Non- controlling Interests
ArcelorMittal USA
Balance, beginning of period (in shares) at Dec. 31, 2020     477,500,000            
Balance, beginning of period at Dec. 31, 2020 $ 2,341   $ 63 $ 5,431 $ (2,989) $ (354) $ (133) $ 323  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Comprehensive income (loss) 3,784       2,988   751 45  
Issuance of common shares (in shares)     20,000,000.0            
Issuance of common shares 322     78   244      
Stock and other incentive plans (in shares)     2,600,000            
Stock and other incentive plans, APIC       (8)          
Stock and other incentive plans 20         28      
Series B Redeemable Preferred Stock redemption (604)     (604)          
1.500% 2025 Convertible Senior Notes redemption (5)     (5)          
Acquisition of ArcelorMittal USA - Measurement period adjustments   $ (22)             $ (22)
Net distributions to noncontrolling interests (62)             (62)  
Balance, end of period (in shares) at Dec. 31, 2021     500,100,000            
Balance, end of period at Dec. 31, 2021 5,774   $ 63 4,892 (1) (82) 618 284  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Comprehensive income (loss) 2,588       1,335   1,212 41  
Stock and other incentive plans (in shares)     1,500,000            
Stock and other incentive plans, APIC       7          
Stock and other incentive plans 19         12      
1.500% 2025 Convertible Senior Notes redemption (in shares)     24,200,000            
1.500% 2025 Convertible Senior Notes redemption     $ 3            
1.500% 2025 Convertible Senior Notes redemption (25)     (28)          
Common stock repurchases (in shares)     (12,500,000)            
Common share repurchases, net of excise tax (240)         (240)      
Net distributions to noncontrolling interests $ (74)             (74)  
Balance, end of period (in shares) at Dec. 31, 2022 513,340,779   513,300,000            
Balance, end of period at Dec. 31, 2022 $ 8,042   $ 66 4,871 1,334 (310) 1,830 251  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Comprehensive income (loss) 277       399   (173) 51  
Stock and other incentive plans (in shares)     2,000,000.0            
Stock and other incentive plans, APIC       (10)          
Stock and other incentive plans 23         33      
Common stock repurchases (in shares)     (10,400,000)            
Common share repurchases, net of excise tax (153)         (153)      
Net distributions to noncontrolling interests $ (67)             (67)  
Balance, end of period (in shares) at Dec. 31, 2023 504,886,773   504,900,000            
Balance, end of period at Dec. 31, 2023 $ 8,122   $ 66 $ 4,861 $ 1,733 $ (430) $ 1,657 $ 235