Condensed Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jul. 26, 2013	Jul. 27, 2012
Statement of Other Comprehensive Income [Abstract]
Net earnings	$ 953	$ 864
Other comprehensive income/(loss), net of tax:
Unrealized gain (loss) on investments, net of tax expense (benefit) of $(54) and $3, respectively	(95)	6
Translation adjustment	(3)	(116)
Net change in retirement obligations, net of tax expense of $8 and $13, respectively	14	30
Unrealized gain on derivatives, net of tax expense of $0 and $20, respectively	0	38
Other comprehensive (loss) income, net of tax	(84)	(42)
Comprehensive income	$ 869	$ 822