Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended
	Dec. 30, 2023	Dec. 31, 2022
Numerator:
Net income	$ 33,916	$ 29,998
Denominator:
Weighted-average basic shares outstanding (in shares)	15,509,763	15,892,723
Effect of dilutive share-based awards (in shares)	66,878	62,995
Weighted-average diluted shares (in shares)	15,576,641	15,955,718
Basic earnings per share (in dollars per share)	$ 2.19	$ 1.89
Diluted earnings per share (in dollars per share)	$ 2.18	$ 1.88