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ACCUMULATED OTHER COMPREHENSIVE LOSS - Changes in Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance $ 5,325 $ 5,706 $ 4,129
Other comprehensive gain (loss) before reclassifications (83) 76 (92)
Net (gain) loss reclassified from accumulated other comprehensive loss 54 (77) 80
Net current-period other comprehensive gain (loss) (29) (1) (12)
Ending balance 5,002 5,325 5,706
Unrealized gain (loss) on derivative instruments and other      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance 4 (14) (66)
Other comprehensive gain (loss) before reclassifications (77) 95 (25)
Net (gain) loss reclassified from accumulated other comprehensive loss 54 (77) 77
Net current-period other comprehensive gain (loss) (23) 18 52
Ending balance (19) 4 (14)
Foreign currency translation adjustments      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance (199) (180) (116)
Other comprehensive gain (loss) before reclassifications (6) (19) (67)
Net (gain) loss reclassified from accumulated other comprehensive loss 0 0 3
Net current-period other comprehensive gain (loss) (6) (19) (64)
Ending balance (205) (199) (180)
Total      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance (195) (194) (182)
Net current-period other comprehensive gain (loss) (29) (1) (12)
Ending balance $ (224) $ (195) $ (194)