Operating Cash Flow (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Mar. 31, 2015	Mar. 31, 2014		Mar. 31, 2015	Mar. 31, 2014
OPERATING ACTIVITIES
Net income	$ 43	$ 3		$ 73	$ 16
Less: Income (loss) from discontinued operations, net of tax	4	0		1	(1)
Income from continuing operations	39	3		72	17
Adjustments to income from continuing operations to arrive at cash provided by operating activities:
Depreciation and amortization	17	17	[1]	32	33
Restructuring costs	3	2	[1]	6	3
Loss on debt extinguishment				1	21
Equity in earnings of affiliates	(9)	(9)		(18)	(17)
Pension and retiree medical expense				14	20
Other adjustments to income from continuing operations				5	5
Dividends received from equity method investments				10	11
Pension and retiree medical contributions				(24)	(19)
Restructuring payments				(3)	(4)
Changes in off-balance sheet accounts receivable factoring				40	17
Changes in assets and liabilities, excluding effects of acquisitions, divestitures, foreign currency adjustments and discontinued operations				(99)	(60)
Operating cash flows provided by continuing operations				36	27
Operating cash flows used for discontinued operations				(7)	(9)
CASH PROVIDED BY OPERATING ACTIVITIES				$ 29	$ 18

[1] Amounts for prior periods have been recast for discontinued operations.