OTHER - Contract Estimates - Consolidated Net Profit Booking Rate Adjustments (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024
Accounting Policies [Abstract]
Sales	$ (361)	$ 383	$ 142	$ 655
Segment operating profit	$ (1,045)	$ 420	$ (565)	$ 615
% of segment operating profit	(183.00%)	21.00%	(21.00%)	16.00%
Net earnings	$ (826)	$ 332	$ (446)	$ 486
Diluted earnings per share (in dollars per share)	$ (3.53)	$ 1.39	$ (1.90)	$ 2.02