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RESTRUCTURING CHARGES - Provisions, Respective Payments and Remaining Accrued Balance (Details) - USD ($)
$ in Millions
 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Restructuring Reserve [Roll Forward]      
Balance at the beginning of the period $ 80 $ 50 $ 43
Provision for charges incurred 86 175 27
Non-cash charges incurred (41) (17) (2)
Balance at the end of the period 51 80 50
Less: Current portion (classified as other current liabilities) 51    
Accrued restructuring costs, net of current portion (classified as other non-current liabilities) $ 0    
Restructuring Incurred Cost, Statement Of Income Or Comprehensive Income, Extensible Enumeration, Not Disclosed, Flag Provision for charges incurred in fiscal year 2025    
Prior Years      
Restructuring Reserve [Roll Forward]      
Cash payments for charges incurred $ (20) (13) (7)
Current Year      
Restructuring Reserve [Roll Forward]      
Cash payments for charges incurred (54) (115) (11)
Severance      
Restructuring Reserve [Roll Forward]      
Balance at the beginning of the period 77 44 35
Provision for charges incurred 76 161 27
Non-cash charges incurred (28) 0 0
Balance at the end of the period 51 77 44
Less: Current portion (classified as other current liabilities) 51    
Accrued restructuring costs, net of current portion (classified as other non-current liabilities) 0    
Severance | Prior Years      
Restructuring Reserve [Roll Forward]      
Cash payments for charges incurred (20) (13) (7)
Severance | Current Year      
Restructuring Reserve [Roll Forward]      
Cash payments for charges incurred (54) (115) (11)
Long-Lived Asset Impairment      
Restructuring Reserve [Roll Forward]      
Balance at the beginning of the period 0 0 0
Provision for charges incurred 10 14 0
Non-cash charges incurred (10) (14) 0
Balance at the end of the period 0 0 0
Less: Current portion (classified as other current liabilities) 0    
Accrued restructuring costs, net of current portion (classified as other non-current liabilities) 0    
Long-Lived Asset Impairment | Prior Years      
Restructuring Reserve [Roll Forward]      
Cash payments for charges incurred 0 0 0
Long-Lived Asset Impairment | Current Year      
Restructuring Reserve [Roll Forward]      
Cash payments for charges incurred 0 0 0
Other Exit Costs      
Restructuring Reserve [Roll Forward]      
Balance at the beginning of the period 3 6 8
Provision for charges incurred 0 0 0
Non-cash charges incurred (3) (3) (2)
Balance at the end of the period 0 3 6
Less: Current portion (classified as other current liabilities) 0    
Accrued restructuring costs, net of current portion (classified as other non-current liabilities) 0    
Other Exit Costs | Prior Years      
Restructuring Reserve [Roll Forward]      
Cash payments for charges incurred 0 0 0
Other Exit Costs | Current Year      
Restructuring Reserve [Roll Forward]      
Cash payments for charges incurred $ 0 $ 0 $ 0