Summary of Significant Accounting Policies - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended
	Dec. 31, 2022	Dec. 25, 2021
Numerator:
Net income	$ 29,998	$ 34,630
Denominator:
Weighted-average basic shares outstanding (in shares)	15,892,723	16,391,724
Effect of dilutive securities (in shares)	62,995	127,567
Weighted-average diluted shares (in shares)	15,955,718	16,519,291
Basic earnings per share (in dollars per share)	$ 1.89	$ 2.11
Diluted earnings per share (in dollars per share)	$ 1.88	$ 2.10