Segment Information (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 29, 2019 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Dec. 30, 2018 |
Sep. 30, 2018 |
Jun. 24, 2018 |
[1] | Mar. 25, 2018 |
[1] | Dec. 24, 2017 |
[1] | Sep. 29, 2019 |
Sep. 30, 2018 |
Sep. 24, 2017 |
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Segment Reporting Information [Line Items] | ||||||||||||||||||
Segment reporting, factors used to identify entity's reportable segments | We are organized on the basis of products and services and have three reportable segments. | |||||||||||||||||
Revenues | $ 4,814 | [1] | $ 9,635 | $ 4,982 | $ 4,842 | $ 5,778 | [1] | $ 5,577 | $ 5,220 | $ 6,035 | $ 24,273 | $ 22,611 | $ 22,258 | |||||
EBT | 7,481 | 392 | 2,987 | |||||||||||||||
Total assets | 32,957 | 32,718 | 32,957 | 32,718 | 65,498 | |||||||||||||
Equity method investments | 343 | 402 | 343 | 402 | ||||||||||||||
Net book value of long-lived assets | 3,081 | 2,975 | 3,081 | 2,975 | ||||||||||||||
Cost of revenues | (8,599) | (10,244) | (9,792) | |||||||||||||||
Research and development expense | (5,398) | (5,625) | (5,485) | |||||||||||||||
Selling, general and administrative expense | (2,195) | (2,986) | (2,658) | |||||||||||||||
Other expense | (414) | (3,135) | (1,742) | |||||||||||||||
Interest expense | (627) | (768) | (494) | |||||||||||||||
Investment and other Income, net | 441 | 539 | 900 | |||||||||||||||
Reconciling Items [Member] | ||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||
Revenues | 4,891 | 187 | (746) | |||||||||||||||
EBT | 2,040 | (6,002) | (4,967) | |||||||||||||||
Total assets | 27,401 | 26,926 | 27,401 | 26,926 | 58,896 | |||||||||||||
Cost of revenues | (430) | (486) | (517) | |||||||||||||||
Research and development expense | (989) | (1,154) | (1,056) | |||||||||||||||
Selling, general and administrative expense | (413) | (576) | (647) | |||||||||||||||
Other expense | (414) | (3,135) | (1,742) | |||||||||||||||
Interest expense | (619) | (761) | (488) | |||||||||||||||
Investment and other Income, net | $ 243 | 566 | 913 | |||||||||||||||
Change of segment methodology [Member] | Reconciling Items [Member] | ||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||
Research and development expense | 474 | |||||||||||||||||
Corporate, Non-Segment [Member] | Reconciling Items [Member] | ||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||
Segment reporting, change in measurement methods | In fiscal 2018, all of the costs related to pre-commercial research and development of 5G (fifth generation) technologies were included in unallocated corporate research and development expenses, whereas similar costs related to the research and development of other technologies, including 3G (third generation) and 4G (fourth generation) technologies, were recorded in the QCT and QTL segments. Beginning in fiscal 2019, all research and development costs associated with 5G technologies were included in segment results | |||||||||||||||||
Impact to QTL Segment EBT due to Segment Methodology Change [Member] | ||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||
EBT | $ (489) | |||||||||||||||||
Impact to QCT Segment EBT due to Segment Methodology Change [Member] | ||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||
EBT | $ 160 | |||||||||||||||||
QCT [Member] | ||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||
Segment reporting, change in measurement methods | Beginning in fiscal 2019, we combined our Small Cells business, which sells products designed for the implementation of small cells to address the challenge of meeting the increased demand for mobile data, into our QCT segment. Revenues and operating results related to the Small Cells business were included in nonreportable segments through the end of fiscal 2018. Prior period segment information has not been adjusted to conform to the new segment presentation as such adjustments are insignificant. | |||||||||||||||||
Revenues | $ 14,639 | 17,282 | 16,479 | |||||||||||||||
EBT | 2,143 | 2,966 | 2,747 | |||||||||||||||
Total assets | 2,307 | 3,041 | $ 2,307 | 3,041 | 3,830 | |||||||||||||
QTL [Member] | ||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||
Segment reporting, change in measurement methods | Additionally, beginning in fiscal 2019, certain research and development costs associated with early research and development that were historically included in our QCT segment were allocated to our QTL segment. The net effect of these changes negatively impacted QTL’s EBT by $489 million in fiscal 2019 and positively impacted QCT’s EBT by $160 million in fiscal 2019. | |||||||||||||||||
Revenues | $ 4,591 | 5,042 | 6,412 | |||||||||||||||
EBT | 2,954 | 3,404 | 5,142 | |||||||||||||||
Total assets | 1,541 | 1,472 | 1,541 | 1,472 | 1,735 | |||||||||||||
QSI [Member] | ||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||
Revenues | 152 | 100 | 113 | |||||||||||||||
EBT | 344 | 24 | 65 | |||||||||||||||
Total assets | 1,708 | 1,279 | 1,708 | 1,279 | 1,037 | |||||||||||||
Equity method investments | 230 | 283 | 230 | 283 | 254 | |||||||||||||
Nonreportable Segments [Member] | ||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||
Revenues | 168 | 287 | 311 | |||||||||||||||
EBT | (61) | (356) | (373) | |||||||||||||||
Blackberry [Member] | Reconciling Items [Member] | ||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||
Revenues | 0 | 0 | (962) | |||||||||||||||
Licensing Agreements [Member] | Reconciling Items [Member] | ||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||
Revenues | 4,723 | (100) | (95) | |||||||||||||||
Non-US [Member] | ||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||
Net book value of long-lived assets | 1,400 | 1,400 | 1,400 | 1,400 | 1,400 | |||||||||||||
CHINA | ||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||
Revenues | 11,610 | 15,149 | 14,579 | |||||||||||||||
IRELAND | ||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||
Revenues | 2,957 | 1 | 0 | |||||||||||||||
UNITED STATES | ||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||
Revenues | 2,774 | 603 | 513 | |||||||||||||||
Net book value of long-lived assets | $ 1,700 | $ 1,600 | 1,700 | 1,600 | 1,800 | |||||||||||||
KOREA, REPUBLIC OF | ||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||
Revenues | 2,400 | 3,175 | 3,538 | |||||||||||||||
Other Foreign [Member] | ||||||||||||||||||
Segment Reporting Information [Line Items] | ||||||||||||||||||
Revenues | $ 4,532 | $ 3,683 | $ 3,628 | |||||||||||||||
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