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BUSINESS OPTIMIZATION CHARGES - Summary of Business Optimization Charges (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Restructuring Cost and Reserve [Line Items]        
Restructuring charges $ 64 $ 57 $ 461 $ 150
Business Optimization Programs        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges 64 57 461 150
Costs to implement business optimization programs 17 16 47 46
Total business optimization charges $ 81 $ 73 $ 508 $ 196