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Inventories (Tables)
3 Months Ended
Mar. 31, 2024
Inventory Disclosure [Abstract]  
Schedule of Inventory Components

 

 

March 31, 2024

 

 

December 31, 2023

 

Finished goods

 

$

326

 

 

$

355

 

Work-in-process

 

 

281

 

 

 

287

 

Bauxite and alumina

 

 

563

 

 

 

586

 

Purchased raw materials

 

 

648

 

 

 

700

 

Operating supplies

 

 

230

 

 

 

230

 

 

 

$

2,048

 

 

$

2,158