Operating Cash Flow (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
OPERATING ACTIVITIES
NET INCOME	$ 23	$ 32	$ 39	$ 59
Less: Loss from discontinued operations, net of tax	0	(1)	0	(3)
Income from continuing operations	23	33	39	62
Adjustments to income from continuing operations to arrive at cash provided by operating activities:
Depreciation and amortization			37	31
Restructuring costs	4	2	4	3
Asset impairment charges			3	0
Gain on sale of property			0	2
Equity in earnings of affiliates	$ (8)	$ (7)	(18)	(17)
Pension and retiree medical expense			7	10
Other adjustments to income from continuing operations			20	4
Dividends received from equity method investments			13	19
Pension and retiree medical contributions			(19)	(22)
Restructuring payments			(7)	(4)
Changes in off-balance sheet accounts receivable factoring			19	(51)
Changes in assets and liabilities, excluding effects of acquisitions, divestitures, foreign currency adjustments and discontinued operations			(68)	7
Operating cash flows provided by continuing operations			30	40
Operating cash flows used for discontinued operations			0	(1)
CASH PROVIDED BY OPERATING ACTIVITIES			$ 30	$ 39