Goodwill and Other Intangibles (Tables)

6 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The following table summarizes the changes in the carrying amount of goodwill by reportable segment and in total during the six months ended March 31, 2018.

(In millions)	Core North America		Quick Lubes			International		Total
September 30, 2017	$	89	$	201		$	40	$	330
Acquisitions (a)	—		34			—		34
Dispositions (b)	—		(1		)	—		(1		)
March 31, 2018	$	89	$	234		$	40	$	363

(a) Activity associated with the acquisitions of 56 service center stores from Henley Bluewater LLC and five other quick lubes service center stores, as well as adjustments related to prior year acquisitions. Refer to Note 3 for details regarding the acquisitions.

(b) Activity associated with the derecognition of goodwill from the sale and disposition of two quick lubes service center stores. Refer to Note

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated amortization expense for each of the next five fiscal years, assuming no additional amortizable intangible assets, is as follows for the years ended September 30:

(In millions)
2018	$	5
2019	$	5
2020	$	5
2021	$	5
2022	$	4