BUSINESS DIVESTITURES AND ASSET SALES - Narrative (Details)	12 Months Ended
	Dec. 31, 2021 USD ($)	Jan. 01, 2021 USD ($)	Jun. 28, 2019 USD ($) business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of business divested | business			0
Assets of disposal group held for sale	$ 0
Liabilities of disposal group held for sale	0
Business divestiture-related gains (losses)			$ 0
Held-for-sale or Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business divestiture-related gains (losses)	220,000,000	$ (51,000,000)
Held-for-sale or Disposed of by Sale | VSE disposal group
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets of disposal group held for sale		35,000,000
Liabilities of disposal group held for sale		13,000,000
Business divestiture-related gains (losses)	$ (29,000,000)	$ (18,000,000)