Cash, Cash Equivalents And Investments (Tables)

12 Months Ended

Mar. 03, 2012

Cash, Cash Equivalents and Investments [Abstract]

Components of cash, cash equivalents and investments

	Cost Basis		Unrealized Gains		Unrealized Losses		Fair Value		Cash and Cash Equivalents		Short-term Investments		Long-term Investments
As at March 3, 2012
Bank balances	$	453	$	—	$	—	$	453	$	453	$	—	$	—
Money market funds		5		—		—		5		5		—		—
Bankers acceptances		284		—		—		284		284		—		—
Term deposits/certificates		217		—		—		217		202		15		—
Commercial paper		402		—		—		402		355		47		—
Non-U.S. treasury bills/notes		71		—		—		71		71		—		—
U.S. treasury bills/notes		114		—		—		114		40		32		42
U.S. government sponsored enterprise notes		127		—		—		127		91		24		12
Non-U.S. government sponsored enterprise notes		18		—		—		18		10		8		—
Corporate notes/bonds		165		1		—		166		16		121		29
Asset-backed securities		109		—		—		109		—		—		109
Auction rate securities		35		1		—		36		—		—		36
Other investments		109		—		—		109		—		—		109
	$	2,109	$	2	$	—	$	2,111	$	1,527	$	247	$	337
As at February 26, 2011
Bank balances	$	288	$	—	$	—	$	288	$	288	$	—	$	—
Money market funds		20		—		—		20		20		—		—
Bankers acceptances		468		—		—		468		468		—		—
Term deposits/certificates		125		—		—		125		109		16		—
Commercial paper		416		—		—		416		369		47		—
Non-U.S. treasury bills/notes		509		—		—		509		509		—		—
U.S. treasury bills/notes		82		—		—		82		—		40		42
U.S. government sponsored enterprise notes		190		1		—		191		8		66		117
Non-U.S. government sponsored enterprise notes		26		—		—		26		—		10		16
Corporate notes/bonds		342		4		—		346		20		150		176
Asset-backed securities		141		—		—		141		—		1		140
Auction rate securities		35		—		—		35		—		—		35
Other investments		51		—		—		51		—		—		51
	$	2,693	$	5	$	—	$	2,698	$	1,791	$	330	$	577

Realized gains and losses on available-for-sale securities

	For the year ended
	March 3, 2012		February 26, 2011		February 27, 2010
Realized gains	$	1	$	2	$	—
Realized losses		—		—		—
Net realized gains	$	1	$	2	$	—

Contractual maturities of available-for-sale investments

	Cost Basis		Fair Value
Due in one year or less	$	1,315	$	1,316
Due in one to five years		192		192
Due after five years		35		36
No fixed maturity date		5		5
	$	1,547	$	1,549