Note 5 Contingencies (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 30, 2017	Jan. 17, 2018	Sep. 30, 2017
Loss Contingencies [Line Items]
Contingent Liability	$ 37		$ 36
Goods and Services Tax for Imports [Member]
Loss Contingencies [Line Items]
Subsequent Event, Date	Jan. 17, 2018
Subsequent Event [Member] | Goods and Services Tax for Imports [Member]
Loss Contingencies [Line Items]
Possible Claim Contingency		$ 23