XML 14 R7.htm IDEA: XBRL DOCUMENT
v3.22.2

Condensed consolidated statements of changes in equity - USD ($) shares in Millions, $ in Millions | Total | Equity attributable to the equity holders of the parent | Share capital | Treasury shares | Mandatorily convertible notes | Additional paid-in capital | Retained earnings | Foreign currency translation adjustments | Unrealized gains (losses) on derivative financial instruments | Unrealized gains (losses) on investments in equity instruments at FVOCI | Recognized actuarial losses | Non-controlling interests
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 31, 2020 | [1],[2] |  |  | 1,081 |  |  |  |  |  |  |  |  |
Beginning balance at Dec. 31, 2020 |  | $ 40,237 | $ 38,280 | $ 393 | $ (538) | $ 840 | $ 35,247 | $ 22,097 | $ (17,053) | $ 229 | $ 583 | $ (3,518) | $ 1,957
Changes in equity [abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (including non-controlling interests) |  | 6,576 | 6,290 |  |  |  |  | 6,290 |  |  |  |  | 286
Other comprehensive income |  | 1,800 | 1,785 |  |  |  |  |  | 165 | 1,049 | 524 | 47 | 15
Total comprehensive income |  | 8,376 | 8,075 |  |  |  |  | 6,290 | 165 | 1,049 | 524 | 47 | 301
Recognition of share-based payments |  | 21 | 21 |  | 18 |  | 3 |  |  |  |  |  |
Share buyback (note 5) (in shares) | [1],[2] |  |  | (62) |  |  |  |  |  |  |  |  |
Share buyback (note 5) |  | (1,744) | (1,744) |  | (1,744) |  |  |  |  |  |  |  |
Dividend (note 5) |  | (410) | (312) |  |  |  |  | (312) |  |  |  |  | (98)
Put option ArcelorMittal Texas HBI (note 3) |  | (119) | (119) |  |  |  |  | (119) |  |  |  |  |
Divestment of Cleveland-Cliffs shares |  | 0 | 0 |  |  |  |  | 267 |  |  | (267) |  |
Other movements |  | (36) | (36) |  |  |  |  | (36) |  |  |  |  |
Ending balance (in shares) at Jun. 30, 2021 | [1],[2] |  |  | 1,019 |  |  |  |  |  |  |  |  |
Ending balance at Jun. 30, 2021 |  | 46,325 | 44,165 | $ 393 | (2,264) | 840 | 35,250 | 28,187 | (16,888) | 1,278 | 840 | (3,471) | 2,160
Beginning balance (in shares) at Dec. 31, 2021 | [1],[2] |  |  | 911 |  |  |  |  |  |  |  |  |
Beginning balance at Dec. 31, 2021 |  | 51,344 | 49,106 | $ 350 | (2,186) | 509 | 31,803 | 36,702 | (18,244) | 2,690 | 499 | (3,017) | 2,238
Changes in equity [abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (including non-controlling interests) |  | 8,256 | 8,048 |  |  |  |  | 8,048 |  |  |  |  | 208
Other comprehensive income |  | (707) | (673) |  |  |  |  |  | (1,970) | 1,561 | (274) | 10 | (34)
Total comprehensive income |  | 7,549 | 7,375 |  |  |  |  | 8,048 | (1,970) | 1,561 | (274) | 10 | 174
Recognition of share-based payments (in shares) | [1],[2] |  |  | 1 |  |  |  |  |  |  |  |  |
Recognition of share-based payments |  | 21 | 21 |  | 25 |  | (4) |  |  |  |  |  |
Share buyback (note 5) (in shares) | [1],[2] |  |  | (65) |  |  |  |  |  |  |  |  |
Share buyback (note 5) |  | (2,000) | (2,000) |  | (2,000) |  |  |  |  |  |  |  |
Dividend (note 5) |  | (490) | (332) |  |  |  |  | (332) |  |  |  |  | (158)
Put option ArcelorMittal Texas HBI (note 3) |  | (177) | (177) |  |  |  |  | (177) |  |  |  |  |
Non-controlling interest on acquisitions (note 3) |  | 200 | 0 |  |  |  |  |  |  |  |  |  | 200
Cancellation of shares (note 5) |  | 0 | 0 | $ (38) | 3,201 |  | (3,163) |  |  |  |  |  |
Other movements |  | (1) | (1) |  |  |  |  | (1) |  |  |  |  |
Ending balance (in shares) at Jun. 30, 2022 | [1],[2] |  |  | 847 |  |  |  |  |  |  |  |  |
Ending balance at Jun. 30, 2022 |  | $ 56,446 | $ 53,992 | $ 312 | $ (960) | $ 509 | $ 28,636 | $ 44,240 | $ (20,214) | $ 4,251 | $ 225 | $ (3,007) | $ 2,454
[1] | Excludes treasury shares
[2] | In millions of shares

X
- Definition The amount of treasury stock cancelled during the period. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_CancellationOfTreasuryShares
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_ChangesInEquityAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of change in equity resulting from transactions and other events, other than those changes resulting from transactions with owners in their capacity as owners. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2021-01-01 -Paragraph 32 -Subparagraph a -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2021-en-r&anchor=para_32_a_ii&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2021-01-01 -Paragraph 24 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2021-en-r&anchor=para_24_b&doctype=Standard -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2021-01-01 -Paragraph B12 -Subparagraph b -Clause ix -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B12_b_ix&doctype=Appendix&subtype=B -URIDate 2021-03-24 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 106 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_a&doctype=Standard -URIDate 2021-03-24 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 12 -IssueDate 2021-01-01 -Paragraph B10 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B10_b&doctype=Appendix&subtype=B -URIDate 2021-03-24 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 81A -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_81A_c&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_ComprehensiveIncome
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of dividends recognised as distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 107 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_107&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_DividendsPaid
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of residual interest in the assets of the entity after deducting all its liabilities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2021-01-01 -Paragraph 24 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2021-en-r&anchor=para_24_a&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2021-01-01 -Paragraph 32 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2021-en-r&anchor=para_32_a_i&doctype=Standard -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2021-01-01 -Paragraph 93 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_a&doctype=Standard -URIDate 2021-03-24 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2021-01-01 -Paragraph 93 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_b&doctype=Standard -URIDate 2021-03-24 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2021-01-01 -Paragraph 93 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_e&doctype=Standard -URIDate 2021-03-24 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard -URIDate 2021-03-24 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 78 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_e&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_Equity
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The increase (decrease) in equity through changes in ownership interests in subsidiaries that do not result in loss of control. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 106 -Subparagraph d -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d_iii&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in equity resulting from share-based payment transactions. [Refer: Equity] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 106 -Subparagraph d -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d_iii&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in equity resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Equity] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in equity resulting from treasury share transactions. [Refer: Equity; Treasury shares] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 79 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_79_a_iv&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_NumberOfSharesOutstanding
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of income and expense (including reclassification adjustments) that is not recognised in profit or loss as required or permitted by IFRSs. [Refer: IFRSs [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 106 -Subparagraph d -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d_ii&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2021-01-01 -Paragraph B12 -Subparagraph b -Clause viii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B12_b_viii&doctype=Appendix&subtype=B -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 81A -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_81A_b&doctype=Standard -URIDate 2021-03-24 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 91 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_91_a&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_OtherComprehensiveIncome
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The total of income less expenses from continuing and discontinued operations, excluding the components of other comprehensive income. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2021-01-01 -Paragraph 18 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_18_b&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2021-01-01 -Paragraph 24 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2021-en-r&anchor=para_24_b&doctype=Standard -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2021-01-01 -Paragraph 32 -Subparagraph a -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2021-en-r&anchor=para_32_a_ii&doctype=Standard -URIDate 2021-03-24 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 28 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_b&doctype=Standard -URIDate 2021-03-24 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Note Effective on first application of IFRS 9 -Name IFRS -Number 4 -IssueDate 2021-01-01 -Paragraph 39L -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2021-en-b&anchor=para_39L_e&doctype=Standard -URIDate 2021-03-24 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 23 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_23&doctype=Standard -URIDate 2021-03-24 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Note Effective 2023-01-01 -Name IFRS -Number 17 -IssueDate 2021-01-01 -Paragraph 113 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_113_b&doctype=Standard -URIDate 2021-03-24 Reference 8: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 12 -IssueDate 2021-01-01 -Paragraph B10 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B10_b&doctype=Appendix&subtype=B -URIDate 2021-03-24 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 106 -Subparagraph d -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d_i&doctype=Standard -URIDate 2021-03-24 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 81A -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_81A_a&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_ProfitLoss
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase (Decrease) Through Disposal Of Investments In Equity Instruments Designated At Fair Value Through Other Comprehensive Income + References No definition available. + Details
Name: | mt_IncreaseDecreaseThroughDisposalOfInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncome
Namespace Prefix: | mt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase (Decrease) Through Share-based Payment Transactions, Equity, Number Of Shares + References No definition available. + Details
Name: | mt_IncreaseDecreaseThroughShareBasedPaymentTransactionsEquityNumberOfShares
Namespace Prefix: | mt_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Issue Of Put Option + References No definition available. + Details
Name: | mt_IssueOfPutOption
Namespace Prefix: | mt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Stock Repurchased During Period Shares + References No definition available. + Details
Name: | mt_StockRepurchasedDuringPeriodShares
Namespace Prefix: | mt_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration