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EMPLOYEE BENEFIT PLANS AND POSTRETIREMENT BENEFITS - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Apr. 16, 2018
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2021
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]            
Reduction of plan liability $ 527         $ 100
Amortization period of retirement benefits payable 4 years 6 months         4 years
2018 Modification of Healthcare Plan | Operating segments | Industrial Activities            
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]            
Benefits modification amortization     $ 30   $ 90  
2021 Modification of Healthcare Plan | Operating segments | Industrial Activities            
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]            
Reduction of plan liability       $ 101    
Amortization period of retirement benefits payable       4 years    
Benefits modification amortization   $ 6 $ 6 $ 18 $ 18