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Inventoried Costs, Net (Tables)
12 Months Ended
Dec. 31, 2022
Inventory Disclosure [Abstract]  
Inventoried Costs
Inventoried costs, net consisted of the following:
 December 31
$ in millions20222021
Contracts in process$574 $478 
Product inventory404 333 
Inventoried costs, net$978 $811