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Business Segment Information - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Jun. 28, 2014
Mar. 29, 2014
Dec. 28, 2013
Sep. 28, 2013
Jun. 29, 2013
Mar. 30, 2013
Dec. 29, 2012
Sep. 29, 2012
Jun. 28, 2014
Jun. 29, 2013
Jun. 30, 2012
Segment Reporting Information [Line Items]                      
Net sales $ 1,064 $ 955 $ 1,082 $ 984 $ 962 $ 924 $ 1,060 $ 974 $ 4,085 $ 3,920 $ 3,958
Foreign net sales                 17 17 18
Number of Reportable Segments                 2    
Wal-Mart Stores Inc.
                     
Segment Reporting Information [Line Items]                      
Revenues                 $ 1,100 $ 1,000 $ 1,000