v3.26.1
Inventories - Schedule of Inventories (Details) - USD ($)
$ in Millions
Jun. 28, 2026
Dec. 31, 2025
Inventory Disclosure [Abstract]    
Materials, spares and supplies $ 675 $ 659
Work-in-process 3,528 2,667
Finished goods 208 198
Total inventories $ 4,411 $ 3,524