Note 10 Stock Repurchase (Details) - USD ($) $ in Millions	6 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Stockholders' Equity Note [Abstract]
Shares Repurchased	300,000	3,800,000
Share Repurchases	$ 7	$ 109
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 101
Shares Paid for Tax Withholding for Share Based Compensation	182,000	304,000
Amount of Tax Withholding for Share-based Compensation	$ 5	$ 11