Annual report pursuant to Section 13 and 15(d)

ACQUISITIONS - Intangible assets and liabilities (Details)

v3.22.0.1
ACQUISITIONS - Intangible assets and liabilities (Details) - USD ($)
$ in Millions
Nov. 18, 2021
Mar. 13, 2020
Ferrous Processing and Trading    
Acquired Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets acquired $ 43  
Weighted average life, finite-lived intangible assets 16 years  
Ferrous Processing and Trading | Customer relationships    
Acquired Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets acquired $ 18  
Weighted average life, finite-lived intangible assets 15 years  
Ferrous Processing and Trading | Supplier relationships    
Acquired Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets acquired $ 18  
Weighted average life, finite-lived intangible assets 18 years  
Ferrous Processing and Trading | Trade names and trademarks    
Acquired Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets acquired $ 7  
Weighted average life, finite-lived intangible assets 15 years  
AK Steel    
Acquired Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets acquired   $ 148
Weighted average life, finite-lived intangible assets   17 years
Finite-lived intangible liability assumed   $ (71)
Weighted average life, finite-lived intangible liabilities   12 years
AK Steel | Customer relationships    
Acquired Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets acquired   $ 77
Weighted average life, finite-lived intangible assets   18 years
AK Steel | Developed technology    
Acquired Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets acquired   $ 60
Weighted average life, finite-lived intangible assets   17 years
AK Steel | Trade names and trademarks    
Acquired Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets acquired   $ 11
Weighted average life, finite-lived intangible assets   10 years