Summary Of Significant Accounting Policies (Components of Inventory and Property, Plant and Equipment) (Tables)

12 Months Ended

Sep. 30, 2020

Accounting Policies [Abstract]

Schedule of Inventory

	2019		2020
Finished products	$	578	584
Raw materials and work in process	1,302		1,344
Total inventories	$	1,880	1,928

Property, Plant and Equipment

	2019		2020
Land	$	336	350
Buildings	2,219		2,335
Machinery and equipment	5,645		5,907
Construction in progress	471		463
Property, plant and equipment, at cost	8,671		9,055
Less: Accumulated depreciation	5,029		5,367
Property, plant and equipment, net	$	3,642	3,688