v3.26.1
Property and Equipment, Net - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Property, Plant and Equipment [Line Items]      
Depreciation and amortization expense related to property and equipment $ 38 $ 41 $ 41
Reduction to gross cost and accumulated depreciation for zero net book value assets 32 90  
Leasehold improvements      
Property, Plant and Equipment [Line Items]      
Amortization $ 30 $ 29 $ 30