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Equity In Net Assets of Nonconsolidated Affiliates (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2016
Schedule of Equity Method Investments [Line Items] |  |  |
Equity income | $ 555 | $ 560 |
Equity Method Investee [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Undistributed earnings | 2,700 |  | $ 2,200
Automotive China JVs equity income [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity income | $ 504 | 518 |
Change in ownership percentage | 0.00% |  |
Automotive China JVs' net sales | $ 11,201 | 11,191 |
Automotive China JVs' net income | 1,046 | 1,086 |
Other joint ventures equity income [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity income | $ 51 | $ 42 |

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