Fair Value Measurements (Tables)

12 Months Ended

Apr. 29, 2011

Fair Value Measurements Tables [Abstract]

Schedule of Fair Value Assets Measured On Recurring Basis

			Fair Value Measurements
	Fair Value at		Using Inputs Considered as
(in millions)	April 29, 2011		Level 1		Level 2		Level 3
Assets:
Corporate debt securities	$	1,961	$	-	$	1,944	$	17
Auction rate securities		133		-		-		133
Mortgage-backed securities		785		-		750		35
U.S. government and agency securities		2,756		1,453		1,303		-
Foreign government and agency securities		131		-		131		-
Certificates of deposit		119		-		119		-
Other asset-backed securities		349		-		343		6
Marketable equity securities		237		237		-		-
Exchange-traded funds		39		39		-		-
Derivative assets		130		21		109		-
Total assets	$	6,640	$	1,750	$	4,699	$	191
Liabilities:
Derivative liabilities	$	303	$	303	$	-	$	-
Total liabilities	$	303	$	303	$	-	$	-

			Fair Value Measurements
	Fair Value at		Using Inputs Considered as
(in millions)	April 30, 2010		Level 1		Level 2		Level 3
Assets:
Corporate debt securities	$	2,134	$	-	$	2,118	$	16
Auction rate securities		142		-		-		142
Mortgage-backed securities		717		-		678		39
U.S. government and agency securities		2,753		782		1,971		-
Foreign government and agency securities		119		-		119		-
Certificates of deposit		256		-		256		-
Other asset-backed securities		313		-		297		16
Marketable equity securities		1		1		-		-
Exchange-traded funds		30		30		-		-
Derivative assets		296		265		31		-
Total assets	$	6,761	$	1,078	$	5,470	$	213
Liabilities:
Derivative liabilities	$	47	$	47	$	-	$	-
Total liabilities	$	47	$	47	$	-	$	-

Schedule of Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation

	Fiscal Year
(in millions)	2011		2010
Beginning Balance	$	213	$	205
Total realized losses and other-than-temporary impairment losses included in earnings		(6)		(9)
Total unrealized gains included in other comprehensive income		27		58
Net purchases, issuances, and settlements		(43)		(41)
Ending Balance	$	191	$	213