Financial Instruments (Tables)

6 Months Ended

Sep. 30, 2025

Short-term investments consisted of the following as of September 30, 2025 and March 31, 2025 (in millions):


	As of September 30, 2025								As of March 31, 2025
	Cost or Amortized Cost		Gross Unrealized				Fair Value		Cost or Amortized Cost		Gross Unrealized				Fair Value
			Gains		Losses						Gains		Losses
Corporate bonds	$	46	$	—	$	—	$	46	$	46	$	—	$	—	$	46
U.S. Treasury securities	21		—		—		21		12		—		—		12


Foreign government securities	7		—		—		7		4		—		—		4
Asset-backed securities	38		—		—		38		50		—		—		50

Short-term investments	$	112	$	—	$	—	$	112	$	112	$	—	$	—	$	112

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 September 30, 2025 and March 31, 2025 (in millions):


	As of September 30, 2025				As of March 31, 2025
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Short-term investments
Due within 1 year	$	33	$	33	$	46	$	46
Due 1 year through 5 years	77		77		63		63
Due after 5 years	2		2		3		3
Short-term investments	$	112	$	112	$	112	$	112