Discontinued Operations - Income Statement (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
(Loss) income from discontinued operations, net	$ 397	$ 9
Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales		395
Cost of sales		318
Gross profit		77
Selling, general and administrative expenses		56
Impairment charge for goodwill	0	7
Other income (expense), net		1
(Loss) income from discontinued operations		15
Gain on disposal of discontinued operations		0
Income before income tax		15
Income tax benefit (expense)		(6)
(Loss) income from discontinued operations, net		$ 9
Cabinetry Products [Member] | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	101
Cost of sales	78
Gross profit	23
Selling, general and administrative expenses	32
Other income (expense), net	0
(Loss) income from discontinued operations	(9)
Gain on disposal of discontinued operations	585
Income before income tax	576
Income tax benefit (expense)	(179)
(Loss) income from discontinued operations, net	397
UK Window Group | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Noncash goodwill impairment	$ 7