BUSINESS SEGMENT INFORMATION - Total Assets by Segment (Details) - USD ($) $ in Millions	Jul. 01, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Assets	$ 34,138	$ 34,709
Identifiable intangible assets acquired	6,321	6,640
Operating segments | Integrated Mission Systems
Segment Reporting Information [Line Items]
Assets	11,761	11,830
Operating segments | Space & Airborne Systems
Segment Reporting Information [Line Items]
Assets	8,381	8,151
Operating segments | Communication Systems
Segment Reporting Information [Line Items]
Assets	6,170	6,035
Other non-reportable businesses
Segment Reporting Information [Line Items]
Assets	0	3
Corporate
Segment Reporting Information [Line Items]
Assets	7,826	8,690
Identifiable intangible assets acquired	$ 6,300	$ 6,600