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DIVESTITURES - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
ROU assets obtained in exchange for new lease obligations	$ 27	$ 27
Cabinetry, Milgard and UKWG | Discontinued Operations, Held-for-sale or Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Depreciation and amortization	0	29	$ 36
Capital expenditures	1	34	38
ROU assets obtained in exchange for new lease obligations	$ 0	$ 3	$ 0

X

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Amount of capital expenditure attributable to discontinued operations.

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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