Equity In Net Assets Of Nonconsolidated Affiliates (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2016 |
Jun. 30, 2015 |
Jun. 30, 2016 |
Jun. 30, 2015 |
Dec. 31, 2015 |
|
| Schedule of Equity Method Investments [Line Items] | |||||
| Equity income | $ 660 | $ 524 | $ 1,220 | $ 1,077 | |
| Equity Method Investee [Member] | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Dividends received | 1,900 | 1,400 | 2,000 | 1,400 | |
| Undistributed earnings | 1,300 | 1,300 | $ 2,200 | ||
| Automotive China JVs [Member] | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Equity income | 471 | 503 | $ 989 | 1,022 | |
| Change in ownership percentage | 0.00% | ||||
| Other joint ventures [Member] | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Equity income | $ 189 | $ 21 | $ 231 | $ 55 | |