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Discontinued Operations - Narrative (Details) - USD ($) $ in Millions |  | 1 Months Ended | 6 Months Ended
--- | --- | --- | ---
Aug. 01, 2022 | Mar. 31, 2022 | Jun. 30, 2022 | Jun. 30, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Proceeds from Divestiture of Businesses |  |  | $ 59 | $ 0
Equity Method Investment, Realized Gain (Loss) on Disposal |  |  | $ 39 | $ 0
Discontinued Operations, Disposed of by Sale | EWP Segment Assets |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Equity Method Investment, Ownership Percentage |  | 50.00% | 50.00% |
EWP Segment Assets | Discontinued Operations, Held-for-sale | Subsequent Event |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration | $ 210 |  |  |
Disposal Group, Including Discontinued Operation, Support Period | 8 months |  |  |
EWP Segment Assets | Discontinued Operations, Held-for-sale | Subsequent Event | Minimum |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Gain on disposal | $ 120 |  |  |
EWP Segment Assets | Discontinued Operations, Held-for-sale | Subsequent Event | Maximum |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Gain on disposal | $ 125 |  |  |
Resolute Forest Products Inc. | Discontinued Operations, Disposed of by Sale |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Proceeds from Divestiture of Businesses |  | $ 59 | $ 59 |
Equity Method Investments |  | 19 |  |
Equity Method Investment, Realized Gain (Loss) on Disposal |  | $ 39 |  |

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