CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 26, 2022	Mar. 27, 2021	Mar. 26, 2022	Mar. 27, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 25,010	$ 23,630	$ 59,640	$ 52,385
Other comprehensive income/(loss):
Change in foreign currency translation, net of tax	(21)	(78)	(381)	471
Change in unrealized gains/losses on derivative instruments, net of tax:
Change in fair value of derivative instruments	334	332	696	28
Adjustment for net (gains)/losses realized and included in net income	(301)	759	(208)	576
Total change in unrealized gains/losses on derivative instruments	33	1,091	488	604
Change in unrealized gains/losses on marketable debt securities, net of tax:
Change in fair value of marketable debt securities	(5,633)	(1,403)	(6,809)	(775)
Adjustment for net (gains)/losses realized and included in net income	54	(75)	45	(180)
Total change in unrealized gains/losses on marketable debt securities	(5,579)	(1,478)	(6,764)	(955)
Total other comprehensive income/(loss)	(5,567)	(465)	(6,657)	120
Total comprehensive income	$ 19,443	$ 23,165	$ 52,983	$ 52,505