Investments (Tables)

6 Months Ended

Aug. 27, 2011

Investments, Debt and Equity Securities [Abstract]

Schedule of Investments

Investments were comprised of the following:

	August 27, 2011		February 26, 2011		August 28, 2010
Short-term investments
Money market fund	$	—	$	2	$	2
U.S. Treasury bills	80		20		—
Total short-term investments	$	80	$	22	$	2
Equity and other investments
Debt securities (auction rate securities)	$	88	$	110	$	134
Marketable equity securities	122		146		97
Other investments	74		72		62
Total equity and other investments	$	284	$	328	$	293

Auction-Rate Securities

Our ARS portfolio consisted of the following, at fair value:

Description	Nature of collateral or guarantee	August 27, 2011		February 26, 2011		August 28, 2010
Student loan bonds	Student loans guaranteed 95% to 100% by the U.S. government	$	86	$	108	$	116
Municipal revenue bonds	100% insured by AA/Aa-rated bond insurers at August 27, 2011	2		2		18
Total fair value plus accrued interest(1)		$	88	$	110	$	134

⁽¹⁾  The par value and weighted-average interest rates (taxable equivalent) of our ARS were $93, $115 and $144, and 0.40%, 0.80% and 0.91%, respectively, at August 27, 2011, February 26, 2011, and August 28, 2010, respectively.

Investments in marketable equity securities

Our investments in marketable equity securities were as follows:

	August 27, 2011		February 26, 2011		August 28, 2010
Common stock of TalkTalk Telecom Group PLC	$	69	$	62	$	51
Common stock of Carphone Warehouse Group plc	53		84		44
Other	—		—		2
Total	$	122	$	146	$	97