CHANGES IN ESTIMATES (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Oct. 01, 2021	Sep. 30, 2022	Oct. 01, 2021
Change in Accounting Estimate [Line Items]
Revenue recognized from performance obligations satisfied in previous periods	$ 23	$ 102	$ 113	$ 317
Contracts Accounted for under Percentage of Completion
Change in Accounting Estimate [Line Items]
Net EAC adjustments, before income taxes	0	85	58	247
Net EAC adjustments, net of income taxes	$ 0	$ 64	$ 44	$ 186
Net EAC adjustments, net of income taxes, per diluted share (in dollars per share)	$ 0	$ 0.32	$ 0.23	$ 0.91