Summary Information by Operating Segment (Detail) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Dec. 26, 2015 |
Dec. 27, 2014 |
|
| Segment Reporting Information [Line Items] | ||
| Net sales | $ 75,872 | $ 74,599 |
| Operating income | 24,171 | 24,246 |
| Americas | ||
| Segment Reporting Information [Line Items] | ||
| Net sales | 29,325 | 30,566 |
| Operating income | 10,018 | 10,701 |
| Europe | ||
| Segment Reporting Information [Line Items] | ||
| Net sales | 17,932 | 17,214 |
| Operating income | 5,779 | 5,882 |
| Greater China | ||
| Segment Reporting Information [Line Items] | ||
| Net sales | 18,373 | 16,144 |
| Operating income | 7,576 | 6,366 |
| Japan | ||
| Segment Reporting Information [Line Items] | ||
| Net sales | 4,794 | 5,448 |
| Operating income | 2,240 | 2,488 |
| Rest of Asia Pacific | ||
| Segment Reporting Information [Line Items] | ||
| Net sales | 5,448 | 5,227 |
| Operating income | $ 2,032 | $ 1,849 |