INFORMATION ON BUSINESS SEGMENTS - Total Assets For Each Business Segment (Details) - USD ($) $ in Millions	Jun. 26, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total assets	$ 51,758	$ 50,873
Business Segments
Segment Reporting Information [Line Items]
Total assets	42,582	39,862
Business Segments | Aeronautics
Segment Reporting Information [Line Items]
Total assets	12,168	10,756
Business Segments | Missiles and Fire Control
Segment Reporting Information [Line Items]
Total assets	5,795	5,243
Business Segments | Rotary and Mission Systems
Segment Reporting Information [Line Items]
Total assets	18,092	17,664
Business Segments | Space
Segment Reporting Information [Line Items]
Total assets	6,527	6,199
Corporate
Segment Reporting Information [Line Items]
Total assets	$ 9,176	$ 11,011