Note 9 Stock Repurchase (Details) - USD ($) $ in Millions	9 Months Ended
	Jun. 30, 2018	Jul. 01, 2017
Stockholders' Equity Note [Abstract]
Treasury Stock, Shares, Acquired	4,800,000	500,000
Treasury Stock, Value, Acquired, Cost Method	$ 138	$ 20
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 115
Shares Paid for Tax Withholding for Share Based Compensation	328,000	549,000
Amount of Tax Withholding for Share-based Compensation	$ 12	$ 17