v3.26.1
Financing Arrangement (Tables)
12 Months Ended
Mar. 31, 2026
Debt Disclosure [Abstract]  
Schedule of Carrying Values Of Liability and Equity Components of Senior Notes
The carrying and fair values of the Senior Notes are as follows (in millions):
  
As of
March 31, 2026
As of
March 31, 2025
Senior Notes:
4.80% Senior Notes due 2026
$— $400 
1.85% Senior Notes due 2031
750 750 
2.95% Senior Notes due 2051
750 750 
Total principal amount$1,500 $1,900 
Unaccreted discount(4)(5)
Unamortized debt issuance costs(11)(11)
Net carrying value of Senior Notes$1,485 $1,884 
Fair value of Senior Notes (Level 2)$1,292 $1,511 
Schedule Of Interest Expense Related To Notes
The following table summarizes our interest expense recognized for fiscal years 2026, 2025, and 2024 that is included in interest and other income (expense), net on our Consolidated Statements of Operations (in millions):
Year Ended March 31,
202620252024
Amortization of debt issuance costs$(2)$(2)$(2)
Coupon interest expense(51)(55)(55)
Other interest expense— (1)(1)
Total interest expense$(53)$(58)$(58)