Condensed Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jul. 27, 2012	Jul. 29, 2011
Statement of Income and Comprehensive Income [Abstract]
Net earnings	$ 864	$ 821
Other comprehensive income/(loss), net of tax:
Unrealized gain on investments, net of tax of $3 and $56, respectively	6	105
Translation adjustment	(116)	14
Net change in retirement obligations, net of tax of $13 and $6, respectively	30	8
Unrealized gain on derivatives, net of tax of $20 and $6, respectively	38	13
Other comprehensive income/(loss)	(42)	140
Comprehensive income	$ 822	$ 961