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RETIREMENT BENEFIT PLANS - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]      
Defined contribution expense $ 45 $ 59 $ 58
Payments for contractual obligation $ 6    
Health care cost trend rate assumed for next fiscal year 6.25%    
Defined benefit plan, ultimate health care cost trend rate 4.75%    
Minimum      
Defined Benefit Plan Disclosure [Line Items]      
Future employer contributions $ 20    
Maximum      
Defined Benefit Plan Disclosure [Line Items]      
Future employer contributions $ 30