v3.21.2
DEBT (Tables)
6 Months Ended
Jun. 30, 2021
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:
 June 30, 2021December 31, 2020
(US$ in millions)Carrying
Value
Fair Value
(Level 2)
Carrying
Value
Fair Value
(Level 2)
Long-term debt, including current portion$5,367 $5,570 $4,460 $4,646