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Inventoried Costs, Net (Tables)
12 Months Ended
Dec. 31, 2025
Inventory Disclosure [Abstract]  
Inventoried Costs
Inventoried costs, net consisted of the following:
 December 31
$ in millions20252024
Raw materials$306 $293 
Work in process945 1,118 
Finished goods58 44 
Inventoried costs, net$1,309 $1,455