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Inventories - Inventories Components (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Inventory Disclosure [Abstract]    
Finished goods $ 467 $ 458
Work-in-process 948 903
Purchased raw materials 417 408
Operating supplies 70 71
Total inventories $ 1,902 $ 1,840