Inventories

3 Months Ended

Dec. 31, 2017

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories are stated at the lower of cost (using FIFO or average methods) or net realizable value (determined on the basis of estimated realizable values) and are summarized as follows (in millions):

	December 31, 2017		September 30, 2017
Finished goods	$	166	$	139
Work in process	35		34
Raw materials, parts and supplies	226		205
Total	$	427	$	378