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Equity In Net Assets Of Nonconsolidated Affiliates - Summarized Financial Data of NCAs (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Schedule of Equity Method Investments [Line Items] |  |  |
Current assets | $ 27,354 | $ 32,740 |
Non-current assets | 21,164 | 17,882 |
Total assets | 48,518 | 50,622 |
Current liabilities | 32,844 | 35,559 |
Non-current liabilities | 5,985 | 4,515 |
Total liabilities | 38,829 | 40,074 |
Noncontrolling interests | 848 | 866 |
Net sales | 40,938 | 52,037 | $ 52,607
Net Income | 2,735 | 4,528 | 4,632
Automotive China JVs [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Current assets | 14,035 | 16,506 |
Non-current assets | 14,484 | 14,012 |
Total assets | 28,519 | 30,518 |
Current liabilities | 21,256 | 21,574 |
Non-current liabilities | 968 | 1,689 |
Total liabilities | 22,224 | 23,263 |
Noncontrolling interests | 847 | 865 |
Net sales | 39,123 | 50,316 | 50,065
Net Income | 2,258 | 3,992 | 3,984
Other joint ventures |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Current assets | 13,319 | 16,234 |
Non-current assets | 6,680 | 3,870 |
Total assets | 19,999 | 20,104 |
Current liabilities | 11,588 | 13,985 |
Non-current liabilities | 5,017 | 2,826 |
Total liabilities | 16,605 | 16,811 |
Noncontrolling interests | 1 | 1 |
Net sales | 1,815 | 1,721 | 2,542
Net Income | $ 477 | $ 536 | $ 648

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