CONTRACT ASSETS AND CONTRACT LIABILITIES (Details) - USD ($) $ in Millions	Sep. 29, 2023	Dec. 30, 2022
Business Acquisition [Line Items]
Contract assets	$ 3,477	$ 2,987
Contract liabilities, current	(1,940)	(1,400)
Contract liabilities, non-current	(104)	(117)
Net contract assets	1,433	1,470
Components of Contract Assets:
Unbilled contract receivables, gross	7,126	4,629
Unliquidated progress payments and advances	(3,649)	(1,642)
Contract assets	3,477	$ 2,987
Aerojet Rocketdyne Holdings, Inc.
Business Acquisition [Line Items]
Contract assets	386
Contract liabilities, current	(315)
Components of Contract Assets:
Contract assets	$ 386