v3.26.1
FAIR VALUE MEASUREMENTS (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Mar. 31, 2026
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total asset measured at fair value $ 52 $ 170
Level I    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total asset measured at fair value 0 0
Level II    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total asset measured at fair value 52 170
Level III    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total asset measured at fair value 0 0
Corporate debt securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total asset measured at fair value 21 118
Corporate debt securities | Level I    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total asset measured at fair value 0 0
Corporate debt securities | Level II    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total asset measured at fair value 21 118
Corporate debt securities | Level III    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total asset measured at fair value 0 0
U.S. treasury securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total asset measured at fair value 31 52
U.S. treasury securities | Level I    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total asset measured at fair value 0 0
U.S. treasury securities | Level II    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total asset measured at fair value 31 52
U.S. treasury securities | Level III    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total asset measured at fair value $ 0 $ 0