XML 86 R49.htm IDEA: XBRL DOCUMENT v3.3.0.814
Reconciliation of the Provision for Income Taxes (Detail) - USD ($)
$ in Millions
12 Months Ended
Sep. 26, 2015
Sep. 27, 2014
Sep. 28, 2013
Income Taxes [Line Items]      
Computed expected tax $ 25,380 $ 18,719 $ 17,554
State taxes, net of federal effect 680 469 508
Indefinitely invested earnings of foreign subsidiaries (6,470) (4,744) (4,614)
Domestic production activities deduction (426) (495) (308)
Research and development credit, net (171) (88) (287)
Other 128 112 265
Provision for income taxes $ 19,121 $ 13,973 $ 13,118
Effective tax rate 26.40% 26.10% 26.20%