Segment and Geographic Information (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 03, 2012	Nov. 26, 2011	Aug. 27, 2011	May 28, 2011	Feb. 26, 2011	Nov. 27, 2010	Aug. 28, 2010	May 29, 2010	Mar. 03, 2012	Feb. 26, 2011	Feb. 27, 2010
Geographic Areas, Revenues from External Customers [Abstract]
Total revenue	$ 16,630	$ 12,004	$ 11,259	$ 10,812	$ 16,083	$ 11,774	$ 11,216	$ 10,674	$ 50,705	$ 49,747	$ 49,243
Geographic Areas, Long-Lived Assets [Abstract]
Property, Plant and Equipment, Net	3,471				3,823				3,471	3,823	4,070
United States [Member]
Geographic Areas, Revenues from External Customers [Abstract]
Total revenue									37,615	37,070	37,138
Geographic Areas, Long-Lived Assets [Abstract]
Property, Plant and Equipment, Net	2,507				2,741				2,507	2,741	2,960
Europe [Member]
Geographic Areas, Revenues from External Customers [Abstract]
Total revenue									5,228	5,316	5,444
Geographic Areas, Long-Lived Assets [Abstract]
Property, Plant and Equipment, Net	352				438				352	438	464
Canada [Member]
Geographic Areas, Revenues from External Customers [Abstract]
Total revenue									5,635	5,468	5,065
Geographic Areas, Long-Lived Assets [Abstract]
Property, Plant and Equipment, Net	432				474				432	474	462
China [Member]
Geographic Areas, Revenues from External Customers [Abstract]
Total revenue									2,069	1,779	1,562
Geographic Areas, Long-Lived Assets [Abstract]
Property, Plant and Equipment, Net	161				147				161	147	152
Other [Member]
Geographic Areas, Revenues from External Customers [Abstract]
Total revenue									158	114	34
Geographic Areas, Long-Lived Assets [Abstract]
Property, Plant and Equipment, Net	$ 19				$ 23				$ 19	$ 23	$ 32