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

12 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Schedule of Inventory

	2020		2021
Finished products	$	584	616
Raw materials and work in process	1,344		1,434
Total inventories	$	1,928	2,050

Property, Plant and Equipment

	2020		2021
Land	$	350	359
Buildings	2,335		2,493
Machinery and equipment	5,907		6,097
Construction in progress	463		478
Property, plant and equipment, at cost	9,055		9,427
Less: Accumulated depreciation	5,367		5,689
Property, plant and equipment, net	$	3,688	3,738