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GOODWILL
 6 Months Ended
Jun. 30, 2020
Intangible Assets [Abstract]  
GOODWILL
GOODWILL
(US$ MILLIONS)
 
June 30, 2020
 
December 31, 2019
Balance at beginning of period
 
$
5,218

 
$
2,411

Acquisitions through business combinations (1)
 
(137
)
 
3,444

Impairment losses
 
—

 
(418
)
Dispositions
 
—

 
(21
)
Assets reclassified as held for sale (2)
 
—

 
(212
)
Foreign currency translation
 
(45
)
 
14

Balance at end of period
 
$
5,036

 
$
5,218

____________________________________
(1) 
See Note 3 for additional information.
(2) 
Includes assets that were reclassified as held for sale and subsequently disposed.