v3.25.2
Revenue - Revenue by Contract Type (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
Fixed-price        
Revenue [Line Items]        
Total revenue 8,477 7,691 16,247 14,310
Cost-reimbursement        
Revenue [Line Items]        
Total revenue 3,800 3,531 7,444 6,871
Time-and-materials        
Revenue [Line Items]        
Total revenue 764 754 1,573 1,526
Aerospace        
Revenue [Line Items]        
Total revenue 3,062 2,940 6,088 5,024
Aerospace | Fixed-price        
Revenue [Line Items]        
Total revenue 2,806 2,693 5,559 4,522
Aerospace | Cost-reimbursement        
Revenue [Line Items]        
Total revenue 0 0 0 0
Aerospace | Time-and-materials        
Revenue [Line Items]        
Total revenue 256 247 529 502
Marine Systems        
Revenue [Line Items]        
Total revenue 4,220 3,453 7,809 6,784
Marine Systems | Fixed-price        
Revenue [Line Items]        
Total revenue 2,277 1,656 4,001 3,227
Marine Systems | Cost-reimbursement        
Revenue [Line Items]        
Total revenue 1,940 1,797 3,805 3,556
Marine Systems | Time-and-materials        
Revenue [Line Items]        
Total revenue 3 0 3 1
Combat Systems        
Revenue [Line Items]        
Total revenue 2,283 2,288 4,459 4,390
Combat Systems | Fixed-price        
Revenue [Line Items]        
Total revenue 1,953 2,028 3,801 3,887
Combat Systems | Cost-reimbursement        
Revenue [Line Items]        
Total revenue 317 238 627 468
Combat Systems | Time-and-materials        
Revenue [Line Items]        
Total revenue 13 22 31 35
Technologies        
Revenue [Line Items]        
Total revenue 3,476 3,295 6,908 6,509
Technologies | Fixed-price        
Revenue [Line Items]        
Total revenue 1,441 1,314 2,886 2,674
Technologies | Cost-reimbursement        
Revenue [Line Items]        
Total revenue 1,543 1,496 3,012 2,847
Technologies | Time-and-materials        
Revenue [Line Items]        
Total revenue $ 492 $ 485 $ 1,010 $ 988