Fair Value Measurements (Tables)

6 Months Ended

Sep. 29, 2017

Fair Value Disclosures [Abstract]

Schedule of the Carrying Value of Assets Measured at Fair Value on a Recurring Basis

The following table summarizes our assets measured at fair value on a recurring basis, by level, within the fair value hierarchy:

	September 29, 2017						March 31, 2017
(In millions)	Fair Value		Cash and Cash Equivalents		Short-Term Investments		Fair Value		Cash and Cash Equivalents		Short-Term Investments
Cash	$	732	$	732	$	—	$	1,183	$	1,183	$	—
Non-negotiable certificates of deposit	77		77		—		15		15		—
Level 1 (Quoted prices in active markets for identical assets):
Money market funds	847		847		—		2,532		2,532		—
U.S. government securities	13		13		—		94		94		—
Marketable equity securities	—		—		—		9		—		9
Total level 1	860		860		—		2,635		2,626		9
Level 2 (Significant other observable inputs):
Corporate bonds	187		2		185		—		—		—
U.S. agency securities	50		50		—		75		75		—
Commercial paper	108		105		3		348		348		—
Negotiable certificates of deposit	12		—		12		—		—		—
Total level 2	357		157		200		423		423		—
Total	$	2,026	$	1,826	$	200	$	4,256	$	4,247	$	9

Contractual Maturity of Debt Investments

The following table presents the contractual maturities of our debt investments as of September 29, 2017:

(In millions)	Fair Value
Due in one year or less	$	15
Due after one year through five years	185
Total	$	200