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Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2018
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	$ 686	$ 607
Less: Accumulated depreciation	(355)	(307)
Net Property, Plant and Equipment	331	300
Depreciation	71	61	$ 55
Selling, General and Administrative Expenses
Property, Plant and Equipment [Line Items]
Depreciation	71	61	$ 55
Land
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	12	12
Buildings and improvements
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	179	186
Tangible asset impairment charge	10
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	31	25
Computer hardware and software
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	371	337
Construction in progress
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	64	20
Machinery and equipment
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	$ 29	$ 27

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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