BUSINESS DIVESTITURES AND ASSET SALES - Business Divestiture-Related Gain (Loss) (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended		12 Months Ended
	Sep. 30, 2022	Oct. 01, 2021	Apr. 02, 2021	Sep. 30, 2022	Oct. 01, 2021	Jan. 01, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business divestiture-related gains, net	$ 0	$ 27		$ 0	$ 192
Impairment of goodwill				$ 802
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		27			192
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Electron Devices business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business divestiture-related gains, net		29				$ 29
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		(4)			(30)
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		0			(19)
Impairment of goodwill			$ 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		2			214
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		$ 0			$ (2)