Consolidated Statements of Stockholders' Equity (Deficit) (USD $) In Millions, unless otherwise specified	Total	Series D Convertible Junior Preference Stock	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Common Stock Held in Treasury, at Cost	Stockholders' Equity Attributable to Noncontrolling Interests
Balance at Oct. 31, 2010	$ (932)	$ 4	$ 7	$ 2,206	$ (1,878)	$ (1,196)	$ (124)	$ 49
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (loss)	94				68			26
Total other comprehensive income	140					140
Transfer from redeemable equity securities upon exercise or expiration of stock options	3			3
Stock-based compensation	21			21
Stock ownership programs	23			8			15
Stock repurchase programs	(1)						(1)
Cash dividends paid to non-controlling interest	(32)							(32)
Reclass of Convertible to Mezzanine	(84)			(84)
Other	(1)	(1)
Balance at Apr. 30, 2011	(769)	3	7	2,154	(1,810)	(1,056)	(110)	43
Balance at Oct. 31, 2011	23	3	7	2,253	(155)	(1,944)	(191)	50
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (loss)	(302)				(325)			23
Total other comprehensive income	(38)					(38)
Stock-based compensation	11			11
Stock ownership programs	1			(10)			11
Stock repurchase programs	(75)			20			(95)
Cash dividends paid to non-controlling interest	(34)							(34)
Noncontrolling Interest, Period Increase (Decrease)	0			(3)				3
Other	2		1	1			(1)	1
Balance at Apr. 30, 2012	$ (412)	$ 3	$ 8	$ 2,272	$ (480)	$ (1,982)	$ (276)	$ 43