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)	1,503				1,468			35
Total other comprehensive income	130					130
Adjustments to Additional Paid in Capital, Increase in Carrying Amount of Redeemable Preferred Stock	(3)			3
Stock-based compensation	24			24
Stock ownership programs	33			10			23
Stock repurchase programs	(11)						(11)
Cash dividends paid to non-controlling interest	(43)							(43)
stockholders equity impact to additional paid in capital for valuation alloance release	45			45
Other	0	(1)		(1)
Balance at Jul. 31, 2011	752		7	2,289	(410)	(1,066)	(112)	41
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)	(206)				(241)			35
Total other comprehensive income	(76)					(76)
Stock-based compensation	14			14
Stock ownership programs	1			(10)			11
Stock repurchase programs	(75)			20			(95)
Cash dividends paid to non-controlling interest	(44)							(44)
Noncontrolling Interest, Period Increase (Decrease)	0			(3)				3
Other	0		1				(1)
Balance at Jul. 31, 2012	$ (363)	$ 3	$ 8	$ 2,274	$ (396)	$ (2,020)	$ (276)	$ 44