Composition of Certain Financial Statement Items Revenues (Details) - USD ($) $ in Millions		3 Months Ended
		Dec. 28, 2025	Dec. 29, 2024
Revenue
Revenues		$ 12,252	$ 11,669
Revenues recognized from previously satisfied performance obligations		206	263
Operating Segments
Revenue
Revenues		$ 12,205	11,619
Minimum
Revenue
Patent license agreement expiration period		2027
Maximum
Revenue
Patent license agreement expiration period		2031
QCT | Operating Segments
Revenue
Revenues		$ 10,613	10,084
Handsets | QCT
Revenue
Revenues	[1]	7,824	7,574
Automotive | QCT
Revenue
Revenues	[2]	1,101	961
IoT | QCT
Revenue
Revenues	[3]	$ 1,688	$ 1,549

[1] Includes revenues from products sold for use in mobile handsets.

[2] Includes revenues from products sold for use in automobiles, including connectivity, digital cockpit and advanced driver assistance systems (ADAS) and automated driving (AD).

[3] Primarily includes products sold for use in the following industries and applications: consumer (including personal computers (PCs), extended reality (XR) and other personal computing devices), edge networking (including mobile broadband and wireless access points) and industrial (including handhelds, retail, tracking and logistics and utilities).