|
Summary of Share-Based Compensation Expense (Detail) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Dec. 27, 2014
|
Dec. 28, 2013
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||
| Share-based compensation expense | $ 888 | $ 681 |
| Cost of sales | ||
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||
| Share-based compensation expense | 140 | 109 |
| Research and Development | ||
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||
| Share-based compensation expense | 374 | 289 |
| Selling, General and Administrative | ||
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||
| Share-based compensation expense | $ 374 | $ 283 |