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Inventories (Tables)
3 Months Ended
Mar. 31, 2023
Inventory Disclosure [Abstract]  
Schedule of Inventory Components

 

 

March 31, 2023

 

 

December 31, 2022

 

Finished goods

 

$

402

 

 

$

385

 

Work-in-process

 

 

335

 

 

 

350

 

Bauxite and alumina

 

 

603

 

 

 

584

 

Purchased raw materials

 

 

862

 

 

 

923

 

Operating supplies

 

 

193

 

 

 

185

 

 

 

$

2,395

 

 

$

2,427