Fair Value Measurements (Tables)

6 Months Ended

Sep. 30, 2016

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 30, 2016						April 1, 2016
	Fair Value		Cash and Cash Equivalents		Short-term Investments		Fair Value		Cash and Cash Equivalents		Short-term Investments
	(In millions)
Cash	$	944	$	944	$	—	$	1,072	$	1,072	$	—
Non-negotiable certificates of deposit	46		46		—		1		—		1
Level 1
Money market	2,977		2,977		—		2,905		2,905		—
U.S. government securities	117		117		—		335		310		25
Marketable equity securities	9		—		9		11		—		11
	3,103		3,094		9		3,251		3,215		36
Level 2
Corporate bonds	—		—		—		45		43		2
U.S. agency securities	574		574		—		526		523		3
Commercial paper	952		952		—		1,121		1,121		—
Negotiable certificates of deposit	—		—		—		9		9		—
	1,526		1,526		—		1,701		1,696		5
Total	$	5,619	$	5,610	$	9	$	6,025	$	5,983	$	42