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Commitments and Contingencies - Financial Information about Discontinued Operations (Details) - Discontinued Operations - Opel/Vauxhall Business - Discontinued Operations - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Net sales and revenue | $ 114 | $ 144 | $ 1,129
Purchases and expenses | 121 | 392 | 825
Cash payments | 226 | 630 | 975
Cash receipts | $ 146 | $ 252 | $ 1,408

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