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Discontinued Operations - Narrative (Details) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2021 segment | May 16, 2021 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Number of remaining segments | segment | 3 |
Discontinued Operations, Held-for-sale | Engineered Materials |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Consideration for discontinued operations | $ |  | $ 360

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