CAPITAL STOCK - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | ||||||
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Mar. 11, 2021 |
Dec. 09, 2020 |
Mar. 31, 2022 |
Feb. 10, 2022 |
Dec. 31, 2021 |
Mar. 31, 2021 |
Feb. 11, 2021 |
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Class of Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Authorized amount of stock repurchase | Ìý | Ìý | Ìý | $ 1,000 | Ìý | Ìý | Ìý |
Common stock repurchases | Ìý | Ìý | $ 19 | Ìý | Ìý | Ìý | Ìý |
Common shares, issued (in shares) | Ìý | Ìý | 531,051,530 | Ìý | 506,832,537 | Ìý | 20,000,000 |
Debt Extinguished | Ìý | Ìý | $ 360 | Ìý | Ìý | Ìý | Ìý |
Common Stock | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Class of Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Common stock repurchases (shares) | Ìý | Ìý | 1,000,000 | Ìý | Ìý | Ìý | Ìý |
Common Shares in Treasury | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Class of Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Common stock repurchases | Ìý | Ìý | $ 19 | Ìý | Ìý | Ìý | Ìý |
9.875% 2025 Senior Secured Notes | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Class of Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Extinguished | $ 322 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Arcelor Mittal | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Class of Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Common shares sold (in shares) | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 40,000,000 |
ÐÇ¿Õ´«Ã½ Inc. | 9.875% 2025 Senior Secured Notes | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Class of Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Stated interest rate | Ìý | Ìý | 9.875% | Ìý | Ìý | 9.875% | Ìý |
Common Stock | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Class of Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Share price (in dollars per share) | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 16.12 |
Common Stock | ArcelorMittal USA | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Class of Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Stock issued during period, shares, acquisitions (in shares) | Ìý | 78,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Series A Preferred Stock | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Class of Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Preferred stock authorized (in shares) | Ìý | Ìý | 3,000,000 | Ìý | Ìý | Ìý | Ìý |
Preferred stock outstanding (in shares) | Ìý | Ìý | 0 | Ìý | Ìý | Ìý | Ìý |
Preferred stock issued (in shares) | Ìý | Ìý | 0 | Ìý | Ìý | Ìý | Ìý |
Series B Preferred Stock | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Class of Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Preferred stock authorized (in shares) | Ìý | Ìý | 4,000,000 | Ìý | Ìý | Ìý | Ìý |
Preferred stock outstanding (in shares) | Ìý | Ìý | 0 | Ìý | Ìý | Ìý | Ìý |
Preferred stock issued (in shares) | Ìý | Ìý | 0 | Ìý | Ìý | Ìý | Ìý |
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- Definition Common Stock, Shares, Sold No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Gross amount of debt extinguished. No definition available.
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- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Per share or per unit amount of equity securities issued. No definition available.
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- Definition Number of shares of stock issued during the period pursuant to acquisitions. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of stock repurchase plan authorized. No definition available.
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- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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