Note 10 Stock Repurchase (Details) - USD ($) $ in Millions	9 Months Ended
	Jun. 29, 2019	Jun. 30, 2018
Stockholders' Equity Note [Abstract]
Shares Repurchased	300,000	4,800,000
Cash Paid for Share Repurchases	$ 7	$ 138
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 101
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation	207,000	328,000
Amount of Tax Withholding for Share-based Compensation	$ 6	$ 12