Note 8 Stock Repurchase (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 30, 2017	Dec. 31, 2016
Stockholders' Equity Note [Abstract]
Treasury Stock, Shares, Acquired	1,000,000
Treasury Stock, Value, Acquired, Cost Method	$ 34
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 219
Shares Paid for Tax Withholding for Share Based Compensation	304,000	453,000
Amount of Tax Withholding for Share-based Compensation	$ 11	$ 14