Financial Instruments (Tables)

3 Months Ended

Jun. 30, 2016

Short-term investments consisted of the following as of June 30, 2016 and March 31, 2016 (in millions):



	As of June 30, 2016								As of March 31, 2016
	Cost or Amortized Cost		Gross Unrealized				Fair Value		Cost or Amortized Cost		Gross Unrealized				Fair Value
	Cost or Amortized Cost		Gains		Losses		Fair Value		Cost or Amortized Cost		Gains		Losses		Fair Value
Corporate bonds	$	709	$	2	$	—	$	711	$	620	$	1	$	—	$	621
U.S. Treasury securities	350		2		—		352		389		1		—		390
U.S. agency securities	154		1		—		155		167		—		—		167
Commercial paper	53		—		—		53		50		—		—		50
Foreign government securities	114		—		—		114		113		—		—		113
Short-term investments	$	1,380	$	5	$	—	$	1,385	$	1,339	$	2	$	—	$	1,341

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 June 30, 2016 and March 31, 2016 (in millions):



	As of June 30, 2016				As of March 31, 2016
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Short-term investments
Due in 1 year or less	$	661	$	661	$	571	$	571
Due in 1-2 years	400		402		461		462
Due in 2-3 years	314		317		295		296
Due in 3-4 years	5		5		12		12
Short-term investments	$	1,380	$	1,385	$	1,339	$	1,341