ACQUISITIONS - Purchase Price Allocation (Details) - USD ($) $ in Millions	Aug. 31, 2017	Sep. 30, 2017	[1]	Sep. 30, 2016	[1]	Sep. 30, 2015
Assets acquired and liabilities assumed
Goodwill		$ 414		$ 390		$ 402
Fabco Holdings, Inc.
Business Acquisition [Line Items]
Purchase price	$ 34
Assets acquired and liabilities assumed
Receivables, net	5
Inventories, net	13
Net property	9
Accounts payable	(6)
Other current liabilities	(6)
Identifiable net assets acquired	15
Goodwill	19
Total assets acquired, goodwill, and liabilities assumed	$ 34

[1] As of September 30, 2017, Assets and Liabilities held for sale were: (i) $1 million Cash and cash equivalents; (ii) $13 million Receivables, trade and other, net; (iii) $2 million Inventories; (iv) $3 million Net property; (v) $1 million Goodwill; (vi) $1 million Other assets; (vii) $12 million Accounts and notes payable; and (viii) $2 million Noncontrolling interests. As of September 30, 2016, Assets and Liabilities held for sale were: (i) $1 million Cash and cash equivalents; (ii) $8 million Receivables, trade and other, net; (iii) $1 million Inventories; (iv) $6 million Net property; (v) $5 million Accounts and notes payable; and (vi) $3 million Noncontrolling interests.