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Comprehensive Income (Details) (USD $)
In Millions
Aug. 27, 2011
Feb. 26, 2011
Aug. 28, 2010
Components of accumulated other comprehensive income (loss):      
Foreign currency translation $ 159 $ 102 $ (58)
Unrealized gains (losses) on available-for-sale investments 51 72 29
Unrealized gains (losses) on derivative instruments (cash flow hedges) 1 (1) 4
Total $ 211 $ 173 $ (25)