INFORMATION ON BUSINESS SEGMENTS - Total Assets For Each Business Segment (Details) - USD ($) $ in Millions	Jun. 29, 2025	Dec. 31, 2024
Segment Reporting Information [Line Items]
Total assets	$ 58,870	$ 55,617
Business Segments
Segment Reporting Information [Line Items]
Total assets	46,998	43,588
Business Segments | Aeronautics
Segment Reporting Information [Line Items]
Total assets	15,224	13,223
Business Segments | Missiles and Fire Control
Segment Reporting Information [Line Items]
Total assets	6,524	5,952
Business Segments | Rotary and Mission Systems
Segment Reporting Information [Line Items]
Total assets	17,199	17,025
Business Segments | Space
Segment Reporting Information [Line Items]
Total assets	8,051	7,388
Corporate
Segment Reporting Information [Line Items]
Total assets	$ 11,872	$ 12,029