Segment Information and Geographic Data - Net Sales by Product (Detail) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 24, 2016 |
Jun. 25, 2016 |
Mar. 26, 2016 |
Dec. 26, 2015 |
Sep. 26, 2015 |
Jun. 27, 2015 |
Mar. 28, 2015 |
Dec. 27, 2014 |
Sep. 24, 2016 |
Sep. 26, 2015 |
Sep. 27, 2014 |
|
| Segment Reporting Information [Line Items] | |||||||||||
| Net sales | $ 46,852 | $ 42,358 | $ 50,557 | $ 75,872 | $ 51,501 | $ 49,605 | $ 58,010 | $ 74,599 | $ 215,639 | $ 233,715 | $ 182,795 |
| iPhone | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Net sales | 136,700 | 155,041 | 101,991 | ||||||||
| iPad | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Net sales | 20,628 | 23,227 | 30,283 | ||||||||
| Mac | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Net sales | 22,831 | 25,471 | 24,079 | ||||||||
| Services | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Net sales | 24,348 | 19,909 | 18,063 | ||||||||
| Other Products | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Net sales | $ 11,132 | $ 10,067 | $ 8,379 | ||||||||