Net Property (Tables)

9 Months Ended

Jun. 30, 2019

Property, Plant and Equipment [Abstract]

Summary of net property

Net property is summarized as follows (in millions):

	June 30, 2019			September 30, 2018
Property at cost:
Land and land improvements	$	30		$	29
Buildings	228			228
Machinery and equipment	928			914
Company-owned tooling	136			130
Construction in progress	66			81
Total	1,388			1,382
Less: accumulated depreciation	(907		)	(899		)
Net property	$	481		$	483