Composition of Certain Financial Statement Items Revenues (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Mar. 30, 2025	Mar. 24, 2024	Mar. 30, 2025	Mar. 24, 2024
Revenue
Revenues		$ 10,979	$ 9,389	$ 22,649	$ 19,325
Revenues recognized from previously satisfied performance obligations		$ 285	55	$ 526	206
Minimum
Revenue
Patent license agreement expiration period		2027		2027
Maximum
Revenue
Patent license agreement expiration period		2031		2031
QCT
Revenue
Revenues		$ 9,469	8,026	$ 19,553	16,449
Handsets | QCT
Revenue
Revenues	[1]	6,929	6,180	14,503	12,867
Automotive | QCT
Revenue
Revenues	[2]	959	603	1,920	1,201
IoT | QCT
Revenue
Revenues	[3]	$ 1,581	$ 1,243	$ 3,130	$ 2,381

[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).