Property Plant and Equipment (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 25, 2012	Feb. 26, 2011	Feb. 27, 2010
Components of Property, Plant and Equipment
Land	$ 1,200	$ 1,260
Buildings	3,590	3,567
Property under construction	390	296
Leasehold improvements	1,672	1,627
Equipment	4,724	4,525
Capitalized lease assets	922	963
Total property plant and equipment	12,498	12,238
Accumulated depreciation	(5,760)	(5,263)
Accumulated amortization on capitalized lease assets	(376)	(371)
Property, plant and equipment, less accumulated depreciation and amortization of $X,XXX and $4,387, respectively	6,362	6,604
Property Plant and Equipment (Textual) [Abstract]
Depreciation expenses	790	825	852
Amortization expenses related to capitalized lease assets	$ 52	$ 57	$ 64