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Financial Instruments (Tables)
12 Months Ended
Mar. 31, 2024
Financial Instruments [Abstract]  
Schedule of Short-Term Investments
Short-term investments consisted of the following as of March 31, 2024 and 2023 (in millions):
 
As of March 31, 2024
As of March 31, 2023
 Cost or
Amortized
Cost
Gross UnrealizedFair
Value
Cost or
Amortized
Cost
Gross UnrealizedFair
Value
 GainsLossesGainsLosses
Corporate bonds$130 $— $— $130 $114 $— $(1)$113 
U.S. Treasury securities95 — — 95 80 — — 80 
U.S. agency securities— — 25 — — 25 
Commercial paper66 — — 66 63 — — 63 
Foreign government securities— — 11 — — 11 
Asset-backed securities41 — — 41 37 — — 37 
Certificates of deposit13 — — 13 14 — — 14 
Short-term investments$362 $— $— $362 $344 $— $(1)$343 
Fair Value Of Short-Term Investments By Stated Maturity Date Schedule
The following table summarizes the amortized cost and fair value of our short-term investments, classified by stated maturity as of March 31, 2024 and 2023 (in millions):
 
As of March 31, 2024
As of March 31, 2023
 Amortized
Cost
Fair
Value
Amortized
Cost
Fair
Value
Short-term investments
Due within 1 year$231 $231 $267 $266 
Due 1 year through 5 years126 126 72 72 
Due after 5 years
Short-term investments$362 $362 $344 $343