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Inventories (Tables)
6 Months Ended
Jun. 30, 2023
Inventory Disclosure [Abstract]  
Schedule of Inventory Components

 

 

June 30, 2023

 

 

December 31, 2022

 

Finished goods

 

$

435

 

 

$

385

 

Work-in-process

 

 

334

 

 

 

350

 

Bauxite and alumina

 

 

630

 

 

 

584

 

Purchased raw materials

 

 

803

 

 

 

923

 

Operating supplies

 

 

198

 

 

 

185

 

 

 

$

2,400

 

 

$

2,427