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SUBSEQUENT EVENTS (Details)
$ in Millions
Jul. 09, 2020
USD ($)
numberOfEntities
Jun. 30, 2020
USD ($)
Jun. 30, 2019
USD ($)
Subsequent Event [Line Items]      
Equity method investments   $ 62 $ 57
Joint Venture in Kingdom of Saudi Arabia [Member]      
Subsequent Event [Line Items]      
Equity method investment, ownership percentage   30.00% 30.00%
Equity method investments   $ 27 $ 25
Subsequent Event [Member]      
Subsequent Event [Line Items]      
Number of entities | numberOfEntities 2    
Joint Venture in Kingdom of Saudi Arabia [Member] | Subsequent Event [Member]      
Subsequent Event [Line Items]      
Purchase price $ 100    
Noncontrolling interest, ownership percentage by parent 51.00%