Discontinued Operations - Financial Results of EWP Segment (Details) - Discontinued Operations, Held-for-sale - EWP Segment Assets $ in Millions	3 Months Ended
Mar. 31, 2022 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	$ 170
Cost of sales	(129)
Gross profit	41
Selling, general, and administrative expenses	(3)
Income from operations of discontinued operations	38
Other non-operating items	0
Gain on disposal before income taxes	39
Loss from discontinued operations before taxes	77
Provision for income taxes	(15)
Income from discontinued operations, net of income taxes	62
Net cash provided by discontinued operating activities	13
Net cash provided by discontinued investing activities	$ 59

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Amount of cash inflow (outflow) of investing activities of discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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Amount of costs of goods sold attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.

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