Note 11 Stock Repurchase (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Dec. 28, 2019	Dec. 29, 2018
Stockholders' Equity Note [Abstract]
Stock Repurchase Program Additional Authorized Amount	$ 200
Shares Repurchased	0.3	0.3
Cash Paid for Share Repurchases	$ 9	$ 7
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 292
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation	0.3	0.2
Amount of Tax Withholding for Share-based Compensation	$ 8	$ 5