Long-Term Debt, Summary of Long-Term Debt (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 02, 2021		Sep. 26, 2020
Long-term Debt [Abstract]
Long-term debt	$ 9,537
Debt discounts and deferred fees	(77)		$ (85)
Total long-term debt	9,460		10,237
Current portion of long-term debt	(21)		(75)
Long-term debt, less current portion	9,439		10,162
Term Loan due July 2026 [Member]
Long-term Debt [Abstract]
Long-term debt	$ 3,440		4,208
Maturity date	Jul. 31, 2026
Revolving Line of Credit [Member]
Long-term Debt [Abstract]
Long-term debt	$ 0		0
Maturity date	May 31, 2024
0.95% First Priority Senior Secured Notes [Member]
Long-term Debt [Abstract]
Long-term debt	$ 800		0
Interest rate	0.95%
Maturity date	Feb. 28, 2024
1.00% First Priority Senior Secured Notes [Member]
Long-term Debt [Abstract]
Long-term debt	$ 810		814
Interest rate	1.00%
Maturity date	Jul. 31, 2025
1.57% First Priority Senior Secured Notes [Member]
Long-term Debt [Abstract]
Long-term debt	$ 1,525		0
Interest rate	1.57%
Maturity date	Jan. 31, 2026
4.875% First Priority Senior Secured Notes [Member]
Long-term Debt [Abstract]
Long-term debt	$ 1,250		1,250
Interest rate	4.875%
Maturity date	Jul. 31, 2026
1.65% First Priority Senior Secured Notes [Member]
Long-term Debt [Abstract]
Long-term debt	$ 400	[1]	0
Interest rate	1.65%
Maturity date	Jan. 31, 2027
1.50% First Priority Senior Secured Notes [Member]
Long-term Debt [Abstract]
Long-term debt	$ 434		436
Interest rate	1.50%
Maturity date	Jul. 31, 2027
4.50% Second Priority Senior Secured Notes [Member]
Long-term Debt [Abstract]
Long-term debt	$ 300		500
Interest rate	4.50%
Maturity date	Feb. 28, 2026
5.625% Second Priority Senior Secured Notes [Member]
Long-term Debt [Abstract]
Long-term debt	$ 500	[1]	500
Interest rate	5.625%
Maturity date	Jul. 31, 2027
Finance Leases and Other [Member]
Long-term Debt [Abstract]
Long-term debt	$ 78		121
Retired Debt [Member]
Long-term Debt [Abstract]
Long-term debt	$ 0		$ 2,493

[1] Euro denominated