v3.25.2
Revenue - Revenue by Products and Services (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 29, 2025
Jun. 30, 2024
Jun. 29, 2025
Jun. 30, 2024
Revenue [Line Items]        
Total revenue $ 13,041 $ 11,976 $ 25,264 $ 22,707
Aerospace        
Revenue [Line Items]        
Total revenue 3,062 2,940 6,088 5,024
Aerospace | Aircraft manufacturing        
Revenue [Line Items]        
Total revenue 2,129 2,067 4,297 3,328
Aerospace | Aircraft services        
Revenue [Line Items]        
Total revenue 933 873 1,791 1,696
Marine Systems        
Revenue [Line Items]        
Total revenue 4,220 3,453 7,809 6,784
Marine Systems | Nuclear-powered submarines        
Revenue [Line Items]        
Total revenue 3,268 2,460 5,888 4,866
Marine Systems | Surface ships        
Revenue [Line Items]        
Total revenue 660 713 1,370 1,365
Marine Systems | Repair and other services        
Revenue [Line Items]        
Total revenue 292 280 551 553
Combat Systems        
Revenue [Line Items]        
Total revenue 2,283 2,288 4,459 4,390
Combat Systems | Military vehicles        
Revenue [Line Items]        
Total revenue 1,284 1,321 2,499 2,555
Combat Systems | Weapons systems, armament and munitions        
Revenue [Line Items]        
Total revenue 726 725 1,427 1,375
Combat Systems | Engineering and other services        
Revenue [Line Items]        
Total revenue 273 242 533 460
Technologies        
Revenue [Line Items]        
Total revenue 3,476 3,295 6,908 6,509
Technologies | Information technology (IT) services        
Revenue [Line Items]        
Total revenue 2,319 2,172 4,683 4,336
Technologies | C5ISR* solutions        
Revenue [Line Items]        
Total revenue [1] $ 1,157 $ 1,123 $ 2,225 $ 2,173
[1] Command, control, communications, computers, cyber, intelligence, surveillance and reconnaissance