Consolidated Statements of Stockholders' Equity (Deficit) (USD $) In Millions	Total		Series D ConvertibleJuniorPreference Stock	Common Stock	Additional Paid-in Capital	Comprehensive Income	Accumulated Deficit		Accumulated Other Comprehensive Loss	Common Stock Held in Treasury, at Cost	Stockholders Equity Attributable to Noncontrolling Interests
Balance at Oct. 31, 2009	$ (1,642)		$ 4	$ 7	$ 2,181		$ (2,072)		$ (1,674)	$ (149)	$ 61
Net income	88	[1]				62	62				26
Other comprehensive income
Foreign currency translation adjustments	8					8
US OPEB remeasurement	309					309
Other post employment benefits	46					46
Total other comprehensive income						363			363
Total comprehensive income						425
Transfer from redeemable equity securities upon exercise or expiration of stock	3				3
Stock-based compensation	12				12
Stock ownership programs	13				(1)					14
Cash dividends paid to non-controlling interest	(33)										(33)
Investment from non-controlling interest	2										2
Balance at Apr. 30, 2010	(1,194)		4	7	2,195		(2,010)	[1]	(1,311)	(135)	56
Balance at Oct. 31, 2010	(932)		4	7	2,206		(1,878)		(1,196)	(124)	49
Net income	94					68	68				26
Other comprehensive income
Foreign currency translation adjustments	61					61
Other post employment benefits	79					79
Total other comprehensive income						140			140
Total comprehensive income						208
Transfer from redeemable equity securities upon exercise or expiration of stock	3				3
Stock-based compensation	21				21
Stock ownership programs	23				8					15
Stock repurchase program	(1)									(1)
Cash dividends paid to non-controlling interest	(32)										(32)
Reclassification of convertible debt to mezzanine	(84)				(84)
Other	(1)		(1)
Balance at Apr. 30, 2011	$ (769)		$ 3	$ 7	$ 2,154		$ (1,810)		$ (1,056)	$ (110)	$ 43

[1] <div style="font-family:Times New Roman;font-size:10pt;"><div style="font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Certain amounts have been revised to reflect a retrospective change in accounting principle. See Note 1, </font><font style="font-family:inherit;font-size:8pt;font-style:italic;">Summary of significant accounting policies</font><font style="font-family:inherit;font-size:8pt;">.</font></div></div>