v2.4.0.8
Summary of Quarterly Financial Information (Detail) (USD $)
In Millions, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Sep. 27, 2014
Jun. 28, 2014
Mar. 29, 2014
Dec. 28, 2013
Sep. 28, 2013
Jun. 29, 2013
Mar. 30, 2013
Dec. 29, 2012
Sep. 27, 2014
Sep. 28, 2013
Sep. 29, 2012
Selected Quarterly Financial Information [Abstract]                      
Net sales $ 42,123 $ 37,432 $ 45,646 $ 57,594 $ 37,472 $ 35,323 $ 43,603 $ 54,512 $ 182,795 $ 170,910 $ 156,508
Gross margin 16,009 14,735 17,947 21,846 13,871 13,024 16,349 21,060 70,537 64,304 68,662
Net income $ 8,467 $ 7,748 $ 10,223 $ 13,072 $ 7,512 $ 6,900 $ 9,547 $ 13,078 $ 39,510 $ 37,037 $ 41,733
Earnings per share:                      
Basic $ 1.43 [1] $ 1.29 [1] $ 1.67 [1] $ 2.08 [1] $ 1.19 [1] $ 1.07 [1] $ 1.45 [1] $ 1.99 [1] $ 6.49 $ 5.72 $ 6.38
Diluted $ 1.42 [1] $ 1.28 [1] $ 1.66 [1] $ 2.07 [1] $ 1.18 [1] $ 1.07 [1] $ 1.44 [1] $ 1.97 [1] $ 6.45 $ 5.68 $ 6.31
[1] Basic and diluted earnings per share are computed independently for each of the quarters presented. Therefore, the sum of quarterly basic and diluted per share information may not equal annual basic and diluted earnings per share.