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Financial Instruments , Activity Related to the Company's Investment Portfolio and Available-for-sale Debt Securities Contractual Maturities (Details) - USD ($) $ in Millions	12 Months Ended
	Apr. 28, 2017	Apr. 29, 2016	Apr. 24, 2015
AFS Debt Maturities
Due in one year or less	$ 1,110
Due after one year through five years	2,855
Due after five years through 10 years	3,177
Due after 10 years	81
Total debt securities	7,223
Special (gains) charges, net
AFS Gross Realized Gain (Loss)
Impairment losses recognized		$ (70)
Debt
AFS Gross Realized Gain (Loss)
Proceeds from sales	5,224	9,881	$ 5,640
Gross realized gains	75	36	33
Gross realized losses	(56)	(53)	(19)
Impairment losses recognized	0	0	0
Equity
AFS Gross Realized Gain (Loss)
Proceeds from sales	132	42	250
Gross realized gains	49	38	164
Gross realized losses	0	0	0
Impairment losses recognized	(30)	(114)	(29)
Equity | Other expense, net
AFS Gross Realized Gain (Loss)
Gross realized gains	$ 20	$ 9	41
Equity | Special (gains) charges, net
AFS Gross Realized Gain (Loss)
Gross realized gains			$ 97

X

- Definition

Fair value of available-for-sale debt securities maturing in the sixth fiscal year through the tenth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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