CHANGES IN ESTIMATES (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jul. 01, 2022	Jun. 30, 2023	Jul. 01, 2022
Change in Accounting Estimate [Line Items]
Capitalized contract cost, impairment loss	$ 30		$ 48
Revenue recognized from performance obligations satisfied in previous periods	33	$ 32	69	$ 90
Contracts Accounted for under Percentage of Completion
Change in Accounting Estimate [Line Items]
Net EAC adjustments, before income taxes	(31)	12	(87)	58
Net EAC adjustments, net of income taxes	$ (23)	$ 9	$ (65)	$ 44
Net EAC adjustments, net of income taxes, per diluted share (in dollars per share)	$ (0.12)	$ 0.05	$ (0.34)	$ 0.23