Note 14 Stockholders' Equity (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 02, 2021	Oct. 03, 2020	Sep. 28, 2019	Dec. 28, 2019	Mar. 11, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance	7,500,000
Stock options and unvested restricted stock units outstanding	3,700,000
Number of Shares Available for Future Grant	3,800,000
Stock Repurchase Program, Authorized Amount				$ 200
Stock Repurchased During Period, Shares	1,500,000	6,400,000	300,000
Stock Repurchased During Period, Value	$ 54	$ 166	$ 7
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 81
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation	286,000	398,000	207,000
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation	$ 10	$ 13	$ 6
2019 Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance					4,000,000
Stock Plan Expiration Date	December 2028