Investments (Tables)

3 Months Ended

Jul. 29, 2011

			Unrealized		Unrealized
(in millions)	Cost		Gains		Losses		Fair Value
Available-for-sale securities:
Corporate debt securities	$	2,367	$	29	$	(6)	$	2,390
Auction rate securities		167		-		(33)		134
Mortgage-backed securities		854		11		(8)		857
U.S. government and agency securities		2,652		43		-		2,695
Foreign government and agency securities		88		1		-		89
Certificates of deposit		109		-		-		109
Other asset-backed securities		400		2		(2)		400
Marketable equity securities		284		8		(67)		225
Trading securities:
Exchange-traded funds		42		-		(1)		41
Cost method, equity method, and other investments		843		-		-		843
Total short-term and long-term investments	$	7,806	$	94	$	(117)	$	7,783

			Unrealized		Unrealized
(in millions)	Cost		Gains		Losses		Fair Value
Available-for-sale securities:
Corporate debt securities	$	1,947	$	20	$	(6)	$	1,961
Auction rate securities		167		-		(34)		133
Mortgage-backed securities		783		10		(8)		785
U.S. government and agency securities		2,731		26		(1)		2,756
Foreign government and agency securities		130		1		-		131
Certificates of deposit		119		-		-		119
Other asset-backed securities		351		1		(3)		349
Marketable equity securities		186		55		(4)		237
Trading securities:
Exchange-traded funds		33		6		-		39
Cost method, equity method, and other investments		656		-		-		656
Total short-term and long-term investments	$	7,103	$	119	$	(56)	$	7,166

Short Term and Long Term Investments [Text Block]

	July 29, 2011				April 29, 2011
(in millions)	Short-term		Long-term		Short-term		Long-term
Available-for-sale securities	$	1,128	$	5,771	$	1,046	$	5,425
Trading securities		-		41		-		39
Total	$	1,128	$	5,812	$	1,046	$	5,464

Schedule of Available-For-Sale Securities Unrealized Loss Position Deemed To Be Temporary [Text Block]

	July 29, 2011
		Less than 12 months			More than 12 months
			Unrealized				Unrealized
(in millions)	Fair Value		Losses		Fair Value		Losses
Corporate debt securities	$	348	$	(1)	$	16	$	(5)
Auction rate securities		-		-		134		(33)
Mortgage-backed securities		221		(1)		70		(7)
Other asset-backed securities		-		-		10		(2)
Marketable equity securities		190		(67)		-		-
Total	$	759	$	(69)	$	230	$	(47)

	April 29, 2011
		Less than 12 months			More than 12 months
			Unrealized				Unrealized
(in millions)	Fair Value		Losses		Fair Value		Losses
Corporate debt securities	$	256	$	(1)	$	16	$	(5)
Auction rate securities		-		-		133		(34)
Mortgage-backed securities		161		(1)		67		(7)
U.S. government and agency securities		267		(1)		-		-
Other asset-backed securities		74		(1)		12		(2)
Marketable equity securities		92		(4)		-		-
Total	$	850	$	(8)	$	228	$	(48)

Schedule of Available-For-Sale Securities Short Term and Long Term Activity [Text Block]

Activity related to the Company’s short-term and long-term investment portfolio is as follows:

	Three months ended
	July 29, 2011				July 30, 2010
(in millions)	Debt (a)		Equity (b)		Debt (a)		Equity (b)
Proceeds from sales	$	1,561	$	41	$	1,183	$	-
Gross realized gains		10		5		7		-
Gross realized losses		(2)		-		(4)		-
Impairment losses recognized		(1)		-		(3)		(3)

(a) Includes available-for-sale debt securities.
(b) Includes marketable equity securities, cost method, equity method, exchange-traded funds, and other investments.

Schedule of Other than Temporary Impairment, Credit Losses Recognized in Earnings [Text Block]

	Three months ended
(in millions)	July 29, 2011		July 30, 2010
Beginning Balance	$	20		17
Additional credit losses recognized on securities previously impaired		-		2
Credit losses recognized on securities previously not impaired		1		1
Reductions for securities sold during the period		(1)		(1)
Ending Balance	$	20	$	19

Schedule of Available-for-sale Securities Contractual Maturities [Text Block]

(in millions)	July 29,
(in millions)	2011
Due in one year or less	$	1,367
Due after one year through five years		4,545
Due after five years through ten years		612
Due after ten years		150
Total debt securities	$	6,674

- Definition

This element represents a tabular roll forward of the amount of other than temporary impairment related to credit losses recognized in earnings including: (a) the beginning balance of the amount related to credit losses on debt securities held by the investor at the beginning of the period for which a portion of an other than temporary impairment was recognized in other comprehensive income; (b) additions for the amount related to the credit loss for which an other than temporary impairment was not previously recognized; (c) reductions for securities sold during the period (realized); (d) reductions for securities for which the amount previously recognized in other comprehensive income was recognized in earnings because the investor intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis; (e) additional increases to the amount related to the credit loss for which an other than temporary impairment was previously recognized when the investor does not intend to sell the security and it is not more likely than not that the investor will be required to sell the security before recovery of its amortized cost basis; (f) reductions for increases in cash flows expected to be collected that are recognized over the remaining life of the security; and (g) the ending balance of the amount related to credit losses on debt securities held by the entity at the end of the period for which a portion of an other than temporary impairment was recognized in other comprehensive income.

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