Net Revenue By Geographic Segment (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 29, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 29, 2012
Dec. 31, 2011
Dec. 31, 2010
Segment Reporting Information [Line Items]                      
Net revenues $ 4,494 $ 4,606 $ 4,786 $ 4,453 $ 5,035 $ 4,474 $ 4,741 $ 4,405 $ 18,339 $ 18,655 $ 17,797
United States
                     
Segment Reporting Information [Line Items]                      
Net revenues                 15,820 16,187 15,541
Canada
                     
Segment Reporting Information [Line Items]                      
Net revenues                 2,305 2,266 2,078
Export
                     
Segment Reporting Information [Line Items]                      
Net revenues                 $ 214 $ 202 $ 178