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FAIR VALUE MEASUREMENTS (Narrative) (Details) - USD ($)
$ in Billions
Sep. 30, 2022
Dec. 31, 2021
Jul. 01, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Fair value of debt $ 3.6 $ 4.4  
UMass Joint Venture      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Ownership percentage by noncontrolling owners     18.90%