Inventories (Tables)

9 Months Ended

Jun. 30, 2017

Inventory Disclosure [Abstract]

Summary of Inventories

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

	June 30, 2017		September 30, 2016
Finished goods	$	142	$	125
Work in process	33		26
Raw materials, parts and supplies	185		165
Total	$	360	$	316