Credit Facilities (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 12 Months Ended |
|---|---|---|---|
Mar. 25, 2018 |
Mar. 25, 2018 |
Sep. 24, 2017 |
|
| 2016 Amended Revolving Credit Facility [Member] | |||
| Line of Credit Facility [Abstract] | |||
| Credit Facility, Maximum Borrowing Capacity | $ 5,000 | $ 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 | ||
| 2016 Amended Revolving Credit Facility [Member] | February 2020 [Member] | |||
| Line of Credit Facility [Abstract] | |||
| Credit Facility, Maximum Borrowing Capacity | 530 | $ 530 | |
| Credit Facility, Expiration Date | Feb. 18, 2020 | ||
| 2016 Amended Revolving Credit Facility [Member] | November 2021 [Member] | |||
| Line of Credit Facility [Abstract] | |||
| Credit Facility, Maximum Borrowing Capacity | 4,470 | $ 4,470 | |
| Credit Facility, Expiration Date | Nov. 08, 2021 | ||
| 2018 Revolving Credit Facility [Member] | |||
| Line of Credit Facility [Abstract] | |||
| Credit Facility, Maximum Borrowing Capacity | $ 3,000 | $ 3,000 | |
| Line of Credit Facility, Description | Commitments under the 2018 Revolving Credit Facility will expire on the first to occur of (i) the termination of Qualcomm River Holdings’s obligation to consummate the proposed acquisition of NXP, (ii) if the closing date under the 2018 Revolving Credit Facility has not occurred, the date that is five business days following July 25, 2018 and (iii) the termination of the commitments in accordance with the provisions of the 2018 Revolving Credit Facility providing for voluntary and mandatory commitment reductions. | ||
| Line of Credit Facility, Interest Rate Description | Loans under the 2018 Revolving Credit Facility will mature on December 31, 2018 and will bear interest, at the option of the Company, at either the reserve-adjusted Eurocurrency Rate (determined in accordance with the 2018 Revolving Credit Facility) or the Base Rate (determined in accordance with the 2018 Revolving Credit Facility), in each case plus an applicable margin based on the Company’s long-term unsecured senior, non-credit enhanced debt ratings. The initial margins over the reserve-adjusted Eurocurrency Rate and the Base Rate based on Qualcomm’s debt ratings as of March 25, 2018 will be 0.75% and 0.00% per annum, respectively. | ||
| Debt instrument, ticking fee | The 2018 Revolving Credit Facility has a ticking fee, which is based on Qualcomm’s debt ratings and initially accrues at a rate of 0.05% per annum | ||
| 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 | ||
| Commercial Paper [Member] | |||
| Line of Credit Facility [Abstract] | |||
| Credit Facility, Maximum Borrowing Capacity | $ 5,000 | 5,000 | |
| Outstanding Commercial Paper Classified as Short-term debt | $ 2,200 | $ 2,200 | $ 999 |
| Commercial Paper, Weighted Average Interest Rate | 1.98% | 1.98% | 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 | 44 days | 45 days | |
| 2016 Term Loan Facility [Member] | |||
| Line of Credit Facility [Abstract] | |||
| Credit Facility, Maximum Borrowing Capacity | $ 4,000 | $ 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 2016 Term Loan Facility, (ii) the termination of Qualcomm River Holdings’s obligation to consummate the proposed acquisition of NXP and (iii) the date that is five business days following July 25, 2018. | ||
| 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 | ||
| 2018 Term Loan Facility [Member] | |||
| Line of Credit Facility [Abstract] | |||
| Credit Facility, Maximum Borrowing Capacity | $ 3,000 | $ 3,000 | |
| Line of Credit Facility, Description | Commitments under the 2018 Term Loan Facility will expire on the first to occur of (i) the consummation of the proposed acquisition of NXP without using loans under the 2018 Term Loan Facility, (ii) the termination of Qualcomm River Holdings’s obligation to consummate the proposed acquisition of NXP, (iii) the date that is five business days following July 25, 2018 and (iv) the termination of the commitments in accordance with the provisions of the 2018 Term Loan Facility providing for voluntary and mandatory commitment reductions. | ||
| Line of Credit Facility, Interest Rate Description | Loans under the 2018 Term Loan Facility will mature on December 31, 2018 and will bear interest, at the option of the Company, at either the reserve-adjusted Eurocurrency Rate (determined in accordance with the 2018 Term Loan Facility) or the Base Rate (determined in accordance with the 2018 Term Loan Facility), in each case plus an applicable margin based on the Company’s long-term unsecured senior, non-credit enhanced debt ratings. The initial margins over the reserve-adjusted Eurocurrency Rate and the Base Rate based on Qualcomm’s debt ratings as of March 25, 2018 will be 0.875% and 0.00% per annum, respectively. | ||
| Debt instrument, ticking fee | The 2018 Term Loan Facility has a ticking fee, which is based on Qualcomm’s debt ratings and initially accrues at a rate of 0.05% per annum | ||
| 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 |