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Quarterly report pursuant to Section 13 or 15(d)

GOODWILL AND INTANGIBLE ASSETS AND LIABILITIES - Goodwill (Details)

v3.21.1
GOODWILL AND INTANGIBLE ASSETS AND LIABILITIES - Goodwill (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Goodwill [Line Items] Ìý Ìý
Goodwill $ 994 $ 1,406
Steelmaking Ìý Ìý
Goodwill [Line Items] Ìý Ìý
Goodwill 820 1,232
Goodwill, Period Increase (Decrease) (412) Ìý
Other Businesses Ìý Ìý
Goodwill [Line Items] Ìý Ìý
Goodwill $ 174 $ 174