v3.26.3
INFORMATION ON BUSINESS SEGMENTS - Schedule of Total Assets and Customer Advances and Amounts In Excess Of Costs Incurred For Each Business Segment (Details) - USD ($)
$ in Millions
Sep. 27, 2026
Dec. 31, 2025
Segment Reporting [Line Items]    
Total assets $ 64,510 $ 59,840
Total business segment assets    
Segment Reporting [Line Items]    
Total assets 48,610 45,308
Total business segment assets | Aeronautics    
Segment Reporting [Line Items]    
Total assets 16,098 14,673
Total business segment assets | MFC    
Segment Reporting [Line Items]    
Total assets 8,029 6,304
Total business segment assets | RMS    
Segment Reporting [Line Items]    
Total assets 16,497 16,576
Total business segment assets | Space    
Segment Reporting [Line Items]    
Total assets 7,986 7,755
Corporate    
Segment Reporting [Line Items]    
Total assets $ 15,900 $ 14,532