v3.25.2
Revenue (Table) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Disaggregation of Revenue [Line Items]        
Sales and service revenues $ 3,082 $ 2,977 $ 5,816 $ 5,782
Intersegment Elimination        
Disaggregation of Revenue [Line Items]        
Sales and service revenues (36) (35) (70) (69)
Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 3,082 2,977 5,816 5,782
Firm fixed-price        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 111 88 210 173
Fixed-price incentive        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 1,414 1,445 2,708 2,821
Cost-type        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 1,522 1,399 2,825 2,701
Time-and-materials        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 35 45 73 87
Federal        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 3,078 2,974 5,808 5,777
Commercial        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 3 2 7 4
State and local government agencies        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 1 1 1 1
Product [Member]        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 1,957 1,926 3,670 3,713
Product [Member] | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 1,957 1,926 3,670 3,713
Service [Member]        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 1,125 1,051 2,146 2,069
Service [Member] | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 1,125 1,051 2,146 2,069
Ingalls | Intersegment Elimination        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 3 1 7 3
Ingalls | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 724 712 1,361 1,367
Ingalls | Amphibious assault ships | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 324 413 656 765
Ingalls | Surface combatants and coast guard cutters | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 397 297 696 597
Ingalls | Other programs | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 3 2 9 5
Ingalls | Firm fixed-price | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 5 1 5 2
Ingalls | Fixed-price incentive | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 605 630 1,131 1,216
Ingalls | Cost-type | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 111 80 218 146
Ingalls | Federal | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 721 711 1,354 1,364
Ingalls | Product [Member] | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 610 631 1,136 1,217
Ingalls | Service [Member] | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 111 80 218 147
Newport News | Intersegment Elimination        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 1 1 1 2
Newport News | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 1,603 1,535 2,999 2,969
Newport News | Aircraft carriers | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 794 831 1,552 1,623
Newport News | Submarines | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 663 563 1,179 1,079
Newport News | Other programs | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 146 141 268 267
Newport News | Firm fixed-price | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 2 2 4 4
Newport News | Fixed-price incentive | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 808 812 1,574 1,600
Newport News | Cost-type | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 792 720 1,419 1,363
Newport News | Time-and-materials | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues     1  
Newport News | Federal | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 1,601 1,533 2,997 2,966
Newport News | Commercial | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 1 1 1 1
Newport News | Product [Member] | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 1,319 1,263 2,479 2,439
Newport News | Service [Member] | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 283 271 519 528
Mission Technologies | Intersegment Elimination        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 32 33 62 64
Mission Technologies | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 791 765 1,526 1,515
Mission Technologies | C5ISR, CEW&S, LVC | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 668 638 1,296 1,264
Mission Technologies | Other programs | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 123 127 230 251
Mission Technologies | Firm fixed-price | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 104 85 201 167
Mission Technologies | Fixed-price incentive | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 1 3 3 5
Mission Technologies | Cost-type | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 619 599 1,188 1,192
Mission Technologies | Time-and-materials | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 35 45 72 87
Mission Technologies | Federal | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 756 730 1,457 1,447
Mission Technologies | Commercial | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 2 1 6 3
Mission Technologies | State and local government agencies | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 1 1 1 1
Mission Technologies | Product [Member] | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues 28 32 55 57
Mission Technologies | Service [Member] | Operating Segments        
Disaggregation of Revenue [Line Items]        
Sales and service revenues $ 731 $ 700 $ 1,409 $ 1,394