Discontinued Operations - Financial Results of EWP Segment (Details) - Discontinued Operations, Held-for-sale - EWP Segment Assets - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	$ 67	$ 201	$ 455	$ 481
Cost of sales	(54)	(156)	(352)	(403)
Gross profit	13	45	103	78
Selling, general, and administrative expenses	(2)	(5)	(12)	(15)
Income from operations of discontinued operations	12	40	91	64
Other non-operating items	0	5	0	(1)
Gain on disposal before income taxes	118	0	158	0
Loss from discontinued operations before taxes	130	44	249	63
Provision for income taxes	(33)	(11)	(53)	(16)
Income from discontinued operations, net of income taxes	$ 97	$ 33	196	47
Net cash provided by discontinued operating activities			18	30
Net cash provided by (used in) discontinued investing activities			$ 258	$ (25)