XML 44 R32.htm IDEA: XBRL DOCUMENT v3.21.2
Financing Arrangement (Tables)
 6 Months Ended
Sep. 30, 2021
Debt Instruments [Abstract]  
Schedule of Carrying Values Of Liability and Equity Components of Senior Notes [Table Text Block]
The carrying and fair values of the Senior Notes are as follows (in millions):
  
As of
September 30, 2021
As of
March 31, 2021
Senior Notes:
4.80% Senior Notes due 2026$400 $400 
1.85% Senior Notes due 2031750 750 
2.95% Senior Notes due 2051750 750 
Total principal amount$1,900 $1,900 
Unaccreted discount(7)(7)
Unamortized debt issuance costs(16)(17)
Net carrying value of Senior Notes$1,877 $1,876 
Fair value of Senior Notes (Level 2)$1,911 $1,873 
Schedule Of Interest Expense The following table summarizes our interest expense recognized for the three and six months ended September 30, 2021 and 2020 that is included in interest and other income (expense), net on our Condensed Consolidated Statements of Operations (in millions):
Three Months Ended
September 30,		Six Months Ended
September 30,
2021202020212020
Amortization of debt issuance costs$(1)$— $(1)$(1)
Coupon interest expense(14)(11)(28)(21)
Total interest expense$(15)$(11)$(29)$(22)