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v3.22.4

ACQUISITIONS - Narrative (Details) $ in Millions |  | 1 Months Ended | 12 Months Ended | 13 Months Ended
--- | --- | --- | --- | ---
Mar. 13, 2020 | Dec. 31, 2021 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) segment | Dec. 31, 2021 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |
Number of businesses acquired | segment |  |  |  |  | 2 |
Revenues |  |  | $ 22,989 | $ 20,444 | $ 5,354 |
Net loss attributable to acquisition |  |  | 1,335 | 2,988 | (122) |
Amortization of inventory step-up |  |  | 0 | 161 | 96 |
Acquisition-related costs |  |  | 4 | 20 | 90 |
Ferrous Processing and Trading |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Revenues |  | $ 153 |  |  |  |
Net loss attributable to acquisition |  | 18 |  |  |  |
Amortization of inventory step-up |  | $ 22 |  |  |  |
Goodwill that is deductible for tax purposes |  |  | $ 296 |  |  |
ArcelorMittal USA |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition-related costs |  |  |  | 3 | 26 |
Revaluation of equity method investment |  |  |  |  |  | $ 31
AK Steel |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition-related costs |  |  |  | $ 1 | $ 26 |
Exchange ratio | 0.400 |  |  |  |  |

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