Credit Facilities (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended |
|---|---|---|
Dec. 24, 2017 |
Sep. 24, 2017 |
|
| Revolving Credit Facility [Member] | ||
| Line of Credit Facility [Abstract] | ||
| Credit Facility, Maximum Borrowing Capacity | $ 5,000 | |
| Line of Credit Facility, Covenant Terms | maintain a ratio of consolidated earnings before interest, taxes, depreciation and amortization to consolidated interest expense, as defined in each of the respective agreements, of not less than three to one at the end of each fiscal quarter | |
| Line of Credit Facility, Covenant Compliance | the Company was in compliance with the applicable covenants | |
| Revolving Credit Facility [Member] | February 2020 [Member] | ||
| Line of Credit Facility [Abstract] | ||
| Credit Facility, Maximum Borrowing Capacity | $ 530 | |
| Credit Facility, Expiration Date | Feb. 18, 2020 | |
| Revolving Credit Facility [Member] | November 2021 [Member] | ||
| Line of Credit Facility [Abstract] | ||
| Credit Facility, Maximum Borrowing Capacity | $ 4,470 | |
| Credit Facility, Expiration Date | Nov. 08, 2021 | |
| Commercial Paper [Member] | ||
| Line of Credit Facility [Abstract] | ||
| Credit Facility, Maximum Borrowing Capacity | $ 5,000 | |
| Outstanding Commercial Paper Classified as Short-term debt | $ 2,000 | $ 999 |
| Commercial Paper, Weighted Average Interest Rate | 1.28% | 1.19% |
| Commercial Paper [Member] | Minimum [Member] | ||
| Line of Credit Facility [Abstract] | ||
| Debt Instrument, Term | 1 day | |
| Commercial Paper [Member] | Maximum [Member] | ||
| Line of Credit Facility [Abstract] | ||
| Debt Instrument, Term | 397 days | |
| Commercial Paper [Member] | Weighted Average [Member] | ||
| Line of Credit Facility [Abstract] | ||
| Commercial Paper, Weighted Average Remaining Term | 36 days | 45 days |
| Term Loan Facility [Member] | ||
| Line of Credit Facility [Abstract] | ||
| Credit Facility, Maximum Borrowing Capacity | $ 4,000 | |
| Line of Credit Facility, Description | will expire on the first to occur of (i) the consummation of the proposed acquisition of NXP without using loans under the Term Loan Facility, (ii) the termination of Qualcomm River Holdings’s obligation to consummate the proposed acquisition of NXP and (iii) April 25, 2018 (which reflects a second automatic extension of the original expiration date of October 27, 2017 in accordance with the NXP purchase agreement, and as such date may be further extended in accordance with the NXP purchase agreement). | |
| Line of Credit Facility, Covenant Terms | maintain a ratio of consolidated earnings before interest, taxes, depreciation and amortization to consolidated interest expense, as defined in each of the respective agreements, of not less than three to one at the end of each fiscal quarter | |
| Line of Credit Facility, Covenant Compliance | the Company was in compliance with the applicable covenants |