v3.26.1
Inventories (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Mar. 31, 2025
Schedule of inventories    
Finished goods $ 1,012 $ 697
Work in process 2,176 1,349
Raw materials 906 722
Supplies 307 286
Inventories $ 4,401 $ 3,054