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Annual report pursuant to Section 13 and 15(d)

SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION - Non-cash Investing and Financing Activities (Details)

v3.22.4
SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION - Non-cash Investing and Financing Activities (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Noncash or Part Noncash Acquisitions [Line Items] Ìý Ìý Ìý
1.500% 2025 Convertible Senior Notes redemption $ 25 $ 0 $ 0
Ferrous Processing and Trading Ìý Ìý Ìý
Noncash or Part Noncash Acquisitions [Line Items] Ìý Ìý Ìý
Fair value of settlement of a pre-existing relationship as part of consideration in connection with transaction 0 20 0
ArcelorMittal USA Ìý Ìý Ìý
Noncash or Part Noncash Acquisitions [Line Items] Ìý Ìý Ìý
Fair value of settlement of a pre-existing relationship as part of consideration in connection with transaction 0 0 237
ArcelorMittal USA | Common Stock Ìý Ìý Ìý
Noncash or Part Noncash Acquisitions [Line Items] Ìý Ìý Ìý
Fair value of other consideration given 0 0 990
ArcelorMittal USA | Series B Preferred Stock Ìý Ìý Ìý
Noncash or Part Noncash Acquisitions [Line Items] Ìý Ìý Ìý
Fair value of other consideration given 0 0 738
AK Steel | Common Stock Ìý Ìý Ìý
Noncash or Part Noncash Acquisitions [Line Items] Ìý Ìý Ìý
Fair value of other consideration given 0 0 618
Share-based Payment Arrangement | AK Steel Ìý Ìý Ìý
Noncash or Part Noncash Acquisitions [Line Items] Ìý Ìý Ìý
Fair value of other consideration given $ 0 $ 0 $ 4