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Commitment and Contingencies (Brazil Tax Credits) (Details) - Dow V. Brazil - Excess PIS/COFINS Taxes - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Gain Contingencies [Line Items] |  |  |
Other Assets | $ 139 |  | $ 52
Cost of Sales |  |  |
Gain Contingencies [Line Items] |  |  |
Gain on Indirect Tax Contingencies Realized | $ 112 | $ 61 |

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