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CONTINGENT LIABILITIES AND OTHER MATTERS (Details)
$ in Millions
Mar. 31, 2021
USD ($)
site
Unusual or Infrequent Item, or Both [Line Items]  
Environmental liability sites 21
Environmental exit costs, accrual | $ $ 5
Environmental exit costs, accrual, current | $ $ 1
Superfund Site  
Unusual or Infrequent Item, or Both [Line Items]  
Environmental liability sites 8
Owned or Formally Owned Sites  
Unusual or Infrequent Item, or Both [Line Items]  
Environmental liability sites 13