Employee Benefit Plans Restricted Stock Units (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Sep. 27, 2026	Sep. 28, 2025	Sep. 29, 2024
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award
Vesting period	3 years
Summary of Restricted Stock Units [Roll Forward]
RSUs outstanding at beginning of the period	28
RSUs granted	23
RSUs assumed in acquisition	1
RSUs canceled/forfeited	(3)
RSUs vested	(19)
RSUs outstanding at end of the period	30	28
RSUs outstanding at beginning of the period, weighted average grant date fair value	$ 151.75
RSUs granted, weighted average grant date fair value	176.02	$ 163.17	$ 134.31
RSUs assumed, weighted average grant date fair value	169.56
RSUs cancelled/forfeited, weighted average grant date fair value	165.88
RSUs vested, weighted average grant date fair value	152.52
RSUs outstanding at end of the period, weighted average grant date fair value	$ 169.02	$ 151.75
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Pre-vesting Forfeiture Rate	6.00%	6.00%	6.00%
Unrecognized compensation expense related to non-vested awards	$ 4,100
Weighted-average period over which the total unrecognized compensation expense is expected to be recognized	1 year 10 months 24 days
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	$ 3,300	$ 3,300	$ 4,000
Shares withheld to satisfy statutory tax withholding	7	7	6
Share-based Payment Arrangement, Option [Member]
Summary of Restricted Stock Units [Roll Forward]
Share-based Payment Arrangement, Exercise of Option, Tax Benefit	$ 698	$ 683	$ 840