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Consolidated Statements of Financial Position (Parenthetical) (USD $)
In Millions
Jul. 30, 2011
Jan. 29, 2011
Jul. 31, 2010
Consolidated Statements of Financial Position      
Cash and cash equivalents, marketable securities $ 116 $ 1,129 $ 972
Credit card receivables, allowance $ 480 $ 690 $ 851