Acquisition and Divestiture (Tables)

6 Months Ended

Mar. 31, 2018

Business Combinations [Abstract]

Schedule of Assets Acquired and Liabilities Assumed

		Estimated Fair Value
		As of September 30, 2017			Measurement Period Adjustments			As of March 31, 2018
Purchase price		$	34		$	—		$	34
Acquired assets and liabilities
	Receivables	5			—			5
	Inventories	13			(1		)	12
	Property, plant and equipment	9			(2		)	7
	Intangible assets	—			3			3
	Accounts payable	(6		)	—			(6		)
	Other current liabilities	(6		)	1			(5		)
Total identifiable net assets acquired		15			1			16
Goodwill resulting from the acquisition of Fabco		19			(1		)	18
		$	34		$	—		$	34