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Disposition of Business (Details) - Opel/Vauxhall Business and Fincos [Member] - Disposal Group [Member] - USD ($) $ in Millions | 10 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Mar. 05, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Estimated net consideration for transferred business |  | $ 2,200
Forecast [Member] |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Expected charge at closing | $ 4,500 |
Charge for deferred tax assets no longer realizable upon transfer | 2,700 |
De-risking premium payment | 400 |
Previously deferred pension losses | 1,200 |
Payment to PSA Group at closing | $ 3,200 |

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