v3.26.1
EMPLOYEE BENEFIT PLANS - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2023
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Defined Benefit Plan Disclosure [Line Items]        
Curtailment gain, before tax   $ 0 $ 0 $ (171)
United States        
Defined Benefit Plan Disclosure [Line Items]        
Aggregate cost of the defined contribution plans     3 19
Accumulated benefit obligation   111 115 105
Domestic Defined Contribution Plan        
Defined Benefit Plan Disclosure [Line Items]        
Aggregate cost of the defined contribution plans   57 57 63
International Defined Contribution Plan        
Defined Benefit Plan Disclosure [Line Items]        
Aggregate cost of the defined contribution plans   4 4 5
Retirement Income        
Defined Benefit Plan Disclosure [Line Items]        
Employer contributions   13 15  
Retirement Income | United States        
Defined Benefit Plan Disclosure [Line Items]        
Employer contributions   $ 12 $ 13 $ 14
Curtailment gain, before tax $ 171      
Curtailment gain, after tax $ 130