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Interest And Other Income (Expense), Net (Tables)
12 Months Ended
Mar. 31, 2021
Interest and Other Income [Abstract]  
Schedule Of Interest And Other Income (Expense), Net
Interest and other income (expense), net, for the fiscal years ended March 31, 2021, 2020 and 2019 consisted of (in millions):
 Year Ended March 31,
 202120202019
Interest expense(45)(44)(45)
Interest income24 100 88 
Net gain (loss) on foreign currency transactions11 (9)
Net gain (loss) on foreign currency forward contracts(19)(4)50 
Other income (expense), net— (1)
Interest and other income (expense), net$(29)$63 $83