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SUBSEQUENT EVENTS - Purchase of IndoStar (Details) - Major business combination - IndoStar
$ in Millions
Jan. 31, 2020
USD ($)
Disclosure of detailed information about business combination [line items]  
Equity interests of acquirer $ 75
Brookfield Business Partners L.P. and Institutional Investors  
Disclosure of detailed information about business combination [line items]  
Percentage of voting equity interests acquired 40.00%
Consideration transferred, acquisition-date fair value $ 220