v3.20.1

DEBT (Tables) | 3 Months Ended
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Mar. 31, 2020
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:
|  | March 31, 2020 |  | December 31, 2019
(US$ in millions) |  | Carrying Value |  | Fair Value (Level 2) |  | Carrying Value |  | Fair Value (Level 2)
Long-term debt, including current portion |  | $ | 4,262 |  |  | $ | 4,201 |  |  | $ | 4,223 |  |  | $ | 4,319 |

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