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Comprehensive Income (Details) (USD $)
In Millions, unless otherwise specified
Nov. 26, 2011
Feb. 26, 2011
Nov. 27, 2010
Components of accumulated other comprehensive income (loss):      
Foreign currency translation $ 17 $ 102 $ 66
Unrealized gains (losses) on available-for-sale investments (5) 72 69
Unrealized gains (losses) on derivative instruments (cash flow hedges) 0 (1) 3
Total $ 12 $ 173 $ 138