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CONTRACT ASSETS AND LIABILITIES (Tables)
9 Months Ended
Mar. 31, 2022
Regulated Operations [Abstract]  
Costs and Estimated Earnings on Uncompleted Contracts
`          
   March 31,
2022
  June 30,
 2021
Costs incurred on uncompleted contracts  $397   $295 
Estimated earnings   496    568 
Costs and estimated earnings on uncompleted contracts   893    863 
Less: Billings to date   878    878 
Total Contract Assets (Liabilities)  $15   $(15)