CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Millions	Total	Common stock and additional paid-in capital	Retained earnings	Retained earnings Cumulative effect of change in accounting principle	Accumulated other comprehensive income/(loss)	Accumulated other comprehensive income/(loss) Cumulative effect of change in accounting principle
Beginning balances at Sep. 28, 2019	$ 90,488	$ 45,174	$ 45,898	$ (136)	$ (584)	$ 136
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued		2
Common stock withheld related to net share settlement of equity awards		(951)	(536)
Share-based compensation		1,747
Net income	22,236		22,236
Dividends and dividend equivalents declared			(3,485)
Common stock repurchased			(20,000)
Other comprehensive income/(loss)	30				30
Ending balances at Dec. 28, 2019	$ 89,531	45,972	43,977		(418)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends and dividend equivalents declared per share or RSU (in dollars per share or RSU)	$ 0.1925
Beginning balances at Sep. 26, 2020	$ 65,339	50,779	14,966	$ 0	(406)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued		0
Common stock withheld related to net share settlement of equity awards		(1,101)	(1,873)
Share-based compensation		2,066
Net income	28,755		28,755
Dividends and dividend equivalents declared			(3,547)
Common stock repurchased	(24,000)		(24,000)
Other comprehensive income/(loss)	585				585
Ending balances at Dec. 26, 2020	$ 66,224	$ 51,744	$ 14,301		$ 179
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends and dividend equivalents declared per share or RSU (in dollars per share or RSU)	$ 0.205