Capital Stock (Tables)

12 Months Ended

Mar. 03, 2012

Capital Stock/Comprehensive Income [Abstract]

Changes in issued and outstanding common shares

	Capital Stock and Additional Paid-In Capital						Treasury Stock
	Stock Outstanding (000’s)			Amount			Stock Outstanding (000’s)			Amount
Common shares outstanding as at February 28, 2009		566,219		$	2,328			—		$	—
Exercise of stock options		3,408			30			—			—
Conversion of restricted share units		2			—			—			—
Stock-based compensation		—			58			—			—
Tax benefits related to stock-based compensation		—			2			—			—
Purchase of treasury stock		—			—			1,459			(94	)
Common shares repurchased		(12,300	)		(46	)		—			—
Common shares outstanding as at February 27, 2010		557,329			2,372			1,459			(94	)
Exercise of stock options		3,737			67			—			—
Stock-based compensation		—			72			—			—
Tax deficiencies related to stock-based compensation		—			(1	)		—			—
Purchase of treasury stock		—			—			1,471			(76	)
Treasury stock vested		2			(10	)		(177	)		10
Common shares repurchased		(37,199	)		(141	)		—			—
Common shares outstanding as at February 26, 2011		523,869			2,359			2,753			(160	)
Exercise of stock options		291			9			—			—
Stock-based compensation		—			97			—			—
Tax deficiencies related to stock-based compensation		—			(2	)		—			—
Purchase of treasury stock		—			—			6,317			(156	)
Treasury stock vested		—			(17	)		(359	)		17
Common shares outstanding as at March 3, 2012		524,160		$	2,446			8,711		$	(299	)

Summary of option activity

	Options Outstanding
	Number (000’s)			Weighted- Average Exercise Price		Average Remaining Contractual Life in Years		Aggregate Intrinsic Value (millions)
Balance as at February 28, 2009		12,731		$	27.51
Granted during the year		559			64.14
Exercised during the year		(3,408	)		8.87
Forfeited/cancelled/expired during the year		(859	)		15.03
Balance as at February 27, 2010		9,023		$	44.18
Exercised during the year		(3,737	)		17.83
Forfeited/cancelled/expired during the year		(676	)		46.08
Balance as at February 26, 2011		4,610		$	70.36
Exercised during the year		(291	)		29.70
Forfeited/cancelled/expired during the year		(701	)		64.58
Balance as at March 3, 2012		3,618		$	73.86		1.72	$	—
Vested and expected to vest as at March 3, 2012		3,570		$	73.66		1.71	$	—
Exercisable as at March 3, 2012		3,019		$	70.88		1.60	$	—

Summary of unvested stock options

	Options Outstanding
	Number (000’s)			Weighted Average Grant Date Fair Value
Balance as at February 26, 2011		1,517		$	37.63
Vested during the period		(775	)		34.63
Forfeited during the period		(143	)		37.59
Balance as at March 3, 2012		599		$	41.53

Option pricing model assumptions

	February 27, 2010
Number of options granted (000’s)		559
Weighted-average grant date fair value of stock options granted during the year	$	33.02
Assumptions:
Risk-free interest rate		1.8	%
Expected life in years		4.2
Expected dividend yield		0	%
Volatility		65	%

Restricted Share Unit activity

	RSUs Outstanding
	Number (000’s)			Weighted Average Grant Date Fair Value		Average Remaining Contractual Life in Years		Aggregate Intrinsic Value (millions)
Balance as at February 26, 2011		2,703		$	57.40
Granted during the period		7,093			25.33
Vested during the period		(359	)		60.42
Cancelled during the period		(842	)		45.73
Balance as at March 3, 2012		8,595		$	31.96		1.74	$	118
Vested and expected to vest at March 3, 2012		7,952		$	32.24		1.72	$	110