Financial Instruments and Fair Value Measurements (Tables)

3 Months Ended

Jul. 31, 2015

Investments Debt And Equity Securities [Abstract]

Summary of Investments

The following is a summary of our investments (in millions):

	July 31, 2015									April 24, 2015
	Cost or							Estimated		Cost or						Estimated
	Amortized		Gross Unrealized					Fair		Amortized		Gross Unrealized				Fair
	Cost		Gains		Losses			Value		Cost		Gains		Losses		Value
Corporate bonds	$	1,712	$	3	$	(2	)	$	1,713	$	2,249	$	9	$	—	$	2,258
U.S. Treasury and government debt    securities		838		1		—			839		1,056		2		—		1,058
Foreign government debt securities		44		—		—			44		38		—		—		38
Commercial paper		25		—		—			25		20		—		—		20
Certificates of deposit		209		—		—			209		286		—		—		286
Mutual funds		34		—		—			34		32		—		—		32
Total debt and equity securities	$	2,862	$	4	$	(2	)	$	2,864	$	3,681	$	11	$	—	$	3,692

Contractual Maturities of Debt Investments

The following table presents the contractual maturities of our debt investments as of July 31, 2015 (in millions):

	Amortized Cost		Fair Value
Due in one year or less	$	1,024	$	1,025
Due after one year through five years		1,804		1,805
	$	2,828	$	2,830

Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table summarizes our financial assets and liabilities measured at fair value on a recurring basis (in millions):

	July 31, 2015
				Fair Value Measurements at Reporting Date Using
	Total			Level 1		Level 2
Cash	$	2,120		$	2,120	$	—
Corporate bonds		1,713			—		1,713
U.S. Treasury and government debt securities		839			138		701
Foreign government debt securities		44			—		44
Commercial paper		25			—		25
Certificates of deposit		209			—		209
Total cash, cash equivalents and short-term investments	$	4,950		$	2,258	$	2,692
Other items:
Mutual funds(1)	$	7		$	7	$	—
Mutual funds(2)	$	27		$	27	$	—
Foreign currency exchange contracts assets(1)	$	2		$	—	$	2
Foreign currency exchange contracts liabilities(3)	$	(2	)	$	—	$	(2	)
Long-term debt	$	(1,489	)	$	—	$	(1,489	)

⁽¹⁾ Reported as other current assets in the condensed consolidated balance sheets

⁽²⁾ Reported as other non-current assets in the condensed consolidated balance sheets

⁽³⁾ Reported as accrued expenses in the condensed consolidated balance sheets