|
Changes in Accrued Warranties and Related Costs (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Sep. 27, 2014
|
Sep. 28, 2013
|
Sep. 29, 2012
|
|
| Movement in Standard Product Warranty Accrual [Roll Forward] | |||
| Beginning accrued warranty and related costs | $ 2,967 | $ 1,638 | $ 1,240 |
| Cost of warranty claims | (3,760) | (3,703) | (1,786) |
| Accruals for product warranty | 4,952 | 5,032 | 2,184 |
| Ending accrued warranty and related costs | $ 4,159 | $ 2,967 | $ 1,638 |