Consolidated Statements of Comprehensive Income Statement - USD ($) $ in Millions	12 Months Ended
	Apr. 29, 2016	Apr. 24, 2015	Apr. 25, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 3,538	$ 2,675	$ 3,065
Unrealized (loss) gain on available-for-sale securities, net of tax (benefit) expense of $(102), $11, and $(58), respectively	(121)	20	(103)
Translation adjustment	(197)	(495)	13
Net change in retirement obligations, net of tax (benefit) expense of $(46), $(173), and $72, respectively	(66)	(366)	87
Unrealized (loss) gain on derivatives, net of tax (benefit) expense of $(172), $146, and $(60), respectively	(300)	254	(102)
Other comprehensive loss, net of tax	(684)	(587)	(105)
Comprehensive income	$ 2,854	$ 2,088	$ 2,960