v3.8.0.1

DEBT (Tables) | 9 Months Ended
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Sep. 30, 2017
Debt Disclosure [Abstract] |
Schedule of carrying amounts and fair values of long-term debt | The carrying amounts and fair value of long-term debt are as follows:
|  | September 30, 2017 |  | December 31, 2016
(US$ in millions) |  | Carrying Value |  | Fair Value (Level 2) |  | Carrying Value |  | Fair Value (Level 2)
Long-term debt, including current portion |  | $ | 4,533 |  |  | $ | 4,714 |  |  | $ | 4,007 |  |  | $ | 4,163 |

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