v2.4.0.6
Summary Of Significant Accounting Policies (Receivables, Net) (Detail) (USD $)
In Millions, unless otherwise specified
Sep. 02, 2012
Aug. 28, 2011
Summary Of Significant Accounting Policies    
Vendor receivables $ 545 $ 520
Reinsurance receivables 226 201
Third-party pharmacy receivables 104 86
Receivables from governmental entities 87 98
Other receivables 66 63
Allowance for doubtful accounts (2) (3)
Receivables, Net $ 1,026 $ 965