Composition of Certain Financial Statement Items Revenues (Details) - USD ($) $ in Millions		3 Months Ended
		Dec. 29, 2024	Dec. 24, 2023
Revenue
Revenues		$ 11,669	$ 9,935
Revenues recognized from previously satisfied performance obligations		$ 263	176
Minimum
Revenue
Patent license agreement expiration period		2027
Maximum
Revenue
Patent license agreement expiration period		2031
QCT
Revenue
Revenues		$ 10,084	8,423
Handsets | QCT
Revenue
Revenues	[1]	7,574	6,687
Automotive | QCT
Revenue
Revenues	[2]	961	598
IoT | QCT
Revenue
Revenues	[3]	$ 1,549	$ 1,138

[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), tablets, voice and music and extended reality (XR)), edge networking (including mobile broadband and wireless access points) and industrial (including handhelds, retail, tracking and logistics and utilities).