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Comprehensive Income (Details Textual) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Mar. 03, 2012
Feb. 26, 2011
Feb. 27, 2010
Comprehensive income (loss) (Textual) [Abstract]      
Tax effect of net change in the fair value of derivatives designated as cash flow hedges $ 4 $ 7 $ (13)
Tax effect of amount reclassified to earnings $ 14 $ 16 $ 6