BUSINESS DIVESTITURES AND ASSET SALES - Income Before Income Taxes Attributable to Business Divested (Details) - Disposal Group, Disposed of by Sale, Not Discontinued Operations - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Oct. 01, 2021	Oct. 01, 2021
Electron Devices business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net income (loss) before income taxes of disposal group	$ 11	$ 41
CPS business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net income (loss) before income taxes of disposal group	0	53
Military training business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net income (loss) before income taxes of disposal group	$ 0	$ 35