SIGNIFICANT ACCOUNTING POLICIES - Net Estimated at Completion ("EAC") Adjustments (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Jan. 03, 2025	Dec. 29, 2023	Dec. 30, 2022
Change in Accounting Estimate [Line Items]
Net EAC adjustments, before income taxes	$ 1,918	$ 1,426	$ 1,127
Contracts Accounted for under Percentage of Completion
Change in Accounting Estimate [Line Items]
Net EAC adjustments, before income taxes	39	(85)	36
Net EAC adjustments, net of income taxes	$ 29	$ (63)	$ 27
Net EAC adjustments, net of income taxes, per diluted share (in dollars per share)	$ 0.15	$ (0.33)	$ 0.14