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Inventory (Unaudited) (Tables)
6 Months Ended
Jun. 30, 2025
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
$ in millionsJune 30, 2025December 31, 2024
Raw materials$350 $293 
Work in process1,133 1,118 
Finished goods70 44 
Inventoried costs, net$1,553 $1,455