v3.26.3
BUSINESS SEGMENT INFORMATION - Capital Expenditures and Depreciation by Segment (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Oct. 02, 2026
Oct. 03, 2025
Oct. 02, 2026
Oct. 03, 2025
Segment Reporting [Line Items]        
Capital expenditures $ 179 $ 119 $ 386 $ 266
Depreciation and amortization 267 309 837 913
Total segment | Space & Mission Systems        
Segment Reporting [Line Items]        
Capital expenditures 39 34 101 97
Depreciation and amortization 44 50 128 130
Total segment | CSD        
Segment Reporting [Line Items]        
Capital expenditures 23 25 58 53
Depreciation and amortization 19 19 58 54
Total segment | Missile Solutions        
Segment Reporting [Line Items]        
Capital expenditures 101 40 172 77
Depreciation and amortization 15 16 44 50
Corporate        
Segment Reporting [Line Items]        
Capital expenditures 16 20 55 39
Depreciation and amortization $ 189 $ 224 $ 607 $ 679