INCOME TAXES (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
|
| Summary Of Income Tax [Line Items] | ||||
| Income tax expense | $ 29 | $ 45 | $ 2 | $ 118 |
| Effective tax rate (as a percent) | 1.00% | 19.00% | ||
| Income tax charge for uncertain tax position | $ (32) | |||
| Unrecognized tax benefits that may be recognized in next twelve months | $ 25 | $ 25 | ||
| Pro Forma | ||||
| Summary Of Income Tax [Line Items] | ||||
| Effective tax rate (as a percent) | 22.00% | 26.00% | ||
| Asia | ||||
| Summary Of Income Tax [Line Items] | ||||
| Income tax benefit for favorable resolution of income tax matters | $ 32 | |||
| South America | ||||
| Summary Of Income Tax [Line Items] | ||||
| Discrete tax benefits | $ 17 | |||
| North America | ||||
| Summary Of Income Tax [Line Items] | ||||
| Discrete tax benefits | $ 60 | |||
| Europe | ||||
| Summary Of Income Tax [Line Items] | ||||
| Discrete tax benefits | $ 11 | |||