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Receivables, net, Contract Assets and Contract Liabilities - Additional Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]      
U.S. government receivables $ 1,700,000,000    
Receivables from other governments and commercial customers 2,351,000,000 $ 2,132,000,000  
Contract assets, progress payments 55,600,000,000 50,500,000,000  
Decrease in contract assets 226,000,000    
Impairment loss 0 0  
Increase in contract liability 605,000,000 702,000,000 $ 381,000,000
Liability, revenue recognized 5,900,000,000 $ 5,100,000,000 $ 4,800,000,000
Other Governments and Commercial      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Receivables from other governments and commercial customers $ 665,000,000