Financial Instruments (Tables)

6 Months Ended

Sep. 30, 2022

Financial Instruments [Abstract]

Fair Value Of Short-Term Investments

Short-term investments consisted of the following as of September 30, 2022 and March 31, 2022 (in millions):

	As of September 30, 2022								As of March 31, 2022
	Cost or Amortized Cost		Gross Unrealized				Fair Value		Cost or Amortized Cost		Gross Unrealized				Fair Value
			Gains		Losses						Gains		Losses
Corporate bonds	$	129	$	—	$	(1)	$	128	$	117	$	—	$	(1)	$	116
U.S. Treasury securities	89		—		(1)		88		103		—		(1)		102
U.S. agency securities	4		—		—		4		—		—		—		—
Commercial paper	43		—		—		43		39		—		—		39
Foreign government securities	17		—		—		17		17		—		—		17
Asset-backed securities	38		—		(1)		37		38		—		—		38
Certificates of deposit	18		—		—		18		18		—		—		18
Short-term investments	$	338	$	—	$	(3)	$	335	$	332	$	—	$	(2)	$	330

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, 2022 and March 31, 2022 (in millions):

	As of September 30, 2022				As of March 31, 2022
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Short-term investments
Due within 1 year	$	264	$	262	$	250	$	249
Due 1 year through 5 years	69		68		77		76
Due after 5 years	5		5		5		5
Short-term investments	$	338	$	335	$	332	$	330