DIVESTITURES - Income Statement (Details) - USD ($)	3 Months Ended			12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Mar. 31, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment charge for goodwill				$ 0	$ 0	$ 0
(Loss) income from discontinued operations, net	$ 295,000,000	$ (37,000,000)		296,000,000	98,000,000	107,000,000
Discontinued Operations, Disposed of by Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales				1,528,000,000	1,705,000,000	1,628,000,000
Cost of sales				1,184,000,000	1,343,000,000	1,236,000,000
Gross profit				344,000,000	362,000,000	392,000,000
Selling, general and administrative expenses				232,000,000	228,000,000	227,000,000
Impairment charge for goodwill				7,000,000	0	0
Other income (expense), net				1,000,000	1,000,000	1,000,000
Income from discontinued operations				106,000,000	135,000,000	166,000,000
(Loss) on disposal of discontinued operations				298,000,000	0	0
(Loss) income before income tax				404,000,000	135,000,000	166,000,000
Income tax benefit (expense)				(108,000,000)	(37,000,000)	(59,000,000)
(Loss) income from discontinued operations, net				$ 296,000,000	$ 98,000,000	$ 107,000,000
UK Window Group [Member] | Discontinued Operations, Disposed of by Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Noncash goodwill impairment			$ 7,000,000