INFORMATION ON BUSINESS SEGMENTS - Total Assets For Each Business Segment (Details) - USD ($) $ in Millions	Sep. 25, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total assets	$ 52,030	$ 50,873
Business Segments
Segment Reporting Information [Line Items]
Total assets	41,949	39,862
Business Segments | Aeronautics
Segment Reporting Information [Line Items]
Total assets	12,080	10,756
Business Segments | Missiles and Fire Control
Segment Reporting Information [Line Items]
Total assets	5,560	5,243
Business Segments | Rotary and Mission Systems
Segment Reporting Information [Line Items]
Total assets	17,792	17,664
Business Segments | Space
Segment Reporting Information [Line Items]
Total assets	6,517	6,199
Corporate
Segment Reporting Information [Line Items]
Total assets	$ 10,081	$ 11,011