Income Taxes (Tables)

12 Months Ended

Mar. 03, 2012

Income Taxes [Abstract]

Components of provision for income tax and income before income tax

	For the year ended
	March 3, 2012			February 26, 2011			February 27, 2010
Statutory Canadian tax rate		28.0	%		30.5	%		32.8	%
Expected income tax provision	$	423		$	1,414		$	1,072
Differences in income taxes resulting from:
Impact of Canadian U.S. dollar functional currency election		—			—			(145	)
Investment tax credits		(138	)		(138	)		(101	)
Manufacturing and processing activities		(21	)		(71	)		(52	)
Non-deductible goodwill impairment		90			—			—
Foreign tax rate differences		12			15			5
Other differences		(19	)		13			30
	$	347		$	1,233		$	809

Income before income taxes

	For the year ended
	March 3, 2012		February 26, 2011		February 27, 2010
Income before income taxes:
Canadian	$	1,272	$	4,279	$	2,999
Foreign		239		364		267
	$	1,511	$	4,643	$	3,266

Provision for income taxes

	For the year ended
	March 3, 2012			February 26, 2011		February 27, 2010
Provision for (recovery of) income taxes:
Current
Canadian	$	176		$	1,059	$	696
Foreign		181			83		62
Deferred
Canadian		34			57		21
Foreign		(44	)		34		30
	$	347		$	1,233	$	809

Components of deferred income tax assets and liabilities

	As at
	March 3, 2012			February 26, 2011
Assets
Non-deductible reserves	$	216		$	225
Tax loss carryforwards		30			36
Unrealized losses on financial instruments		—			5
Other tax carryforwards		30			18
Deferred income tax assets		276			284
Liabilities
Property, plant and equipment		(282	)		(318	)
Research and development		(17	)		(13	)
Unrealized gains on financial instruments		(12	)		—
Deferred income tax liabilities		(311	)		(331	)
Net deferred income tax liability	$	(35	)	$	(47	)
Deferred income tax asset - current	$	197		$	229
Deferred income tax liability - long-term		(232	)		(276	)
	$	(35	)	$	(47	)

Reconciliation of beginning and ending amount of unrecognized income tax benefits

	(in millions)
Unrecognized income tax benefits balance as at February 26, 2011	$	164
Increase for tax positions of prior years		15
Settlement of tax positions		(8	)
Expiration of statute of limitations		(24	)
Other		(1	)
Unrecognized income tax benefits balance as at March 3, 2012	$	146

Summary of Open Tax Years by Major Jurisdiction

Canada (1)	Fiscal 2006 - 2012
United States (1)	Fiscal 2009 - 2012
United Kingdom	Fiscal 2010 - 2012