BUSINESS DIVESTITURES AND ASSET SALES - Business Divestiture-Related Gain (Loss) (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jul. 01, 2022	Jul. 02, 2021	Apr. 02, 2021	Jul. 01, 2022	Jul. 02, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business divestiture-related gains, net	$ 0	$ 180		$ 0	$ 165
Disposal Group, Disposed of by Sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business divestiture-related gains, net		180			165
Disposal Group, Disposed of by Sale, Not Discontinued Operations | VSE disposal group
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business divestiture-related gains, net		(18)			(26)
Disposal Group, Disposed of by Sale, Not Discontinued Operations | CPS business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business divestiture-related gains, net		(12)			(19)
Goodwill impairment			$ 62
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Military training business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business divestiture-related gains, net		212			212
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Other
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business divestiture-related gains, net		$ (2)			$ (2)