Acquisitions (Details) $ in Millions |
3 Months Ended | |
|---|---|---|
|
Dec. 27, 2015
USD ($)
businesses
|
Sep. 27, 2015
USD ($)
|
|
| Business Acquisition [Line Items] | ||
| Goodwill | $ 5,669 | $ 5,479 |
| Series of Individually Immaterial Business Acquisitions [Member] | ||
| Business Acquisition [Line Items] | ||
| Number of businesses acquired | businesses | 3 | |
| Payments to acquire businesses, net of cash acquired | $ 407 | |
| Goodwill, expected tax deductible amount | 23 | |
| Technology-Based Intangible Assets [Member] | Series of Individually Immaterial Business Acquisitions [Member] | ||
| Business Acquisition [Line Items] | ||
| Technology-based intangible assets recognized | $ 248 | |
| Weighted average useful life of technology-based intangible assets | 5 years | |
| QCT [Member] | Series of Individually Immaterial Business Acquisitions [Member] | ||
| Business Acquisition [Line Items] | ||
| Goodwill | $ 172 |