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Goodwill and Intangible Assets (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 26, 2011	Nov. 27, 2010	Nov. 26, 2011	Nov. 27, 2010	Feb. 26, 2011
Finite-Lived Intangible Assets
Gross Carrying Amount	$ 382	$ 461	$ 382	$ 461	$ 456
Accumulated Amortization	(217)	(209)	(217)	(209)	(225)
Amortization expense	8	20	38	63
Tradenames
Finite-Lived Intangible Assets
Gross Carrying Amount	0	74	0	74	73
Accumulated Amortization	0	(42)	0	(42)	(45)
Customer Relationships
Finite-Lived Intangible Assets
Gross Carrying Amount	382	387	382	387	383
Accumulated Amortization	$ (217)	$ (167)	$ (217)	$ (167)	$ (180)

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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