Consolidated Statements of Stockholders' Deficit - USD ($) $ in Millions	Total	Convertible Junior Preference Stock Series D [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]
Stockholders' Equity balance at beginning of period at Oct. 31, 2016	$ (5,293)	$ 2	$ 9	$ 2,499	$ (4,963)	$ (2,640)	$ (205)	$ 5
Net income (loss)	(87)	0	0	0	(105)	0	0	18
Total other comprehensive income	228	0	0	0	0	228	0	0
Stock-based compensation	4	0	0	4	0	0	0	0
Stock ownership programs	2	0	0	(13)	0	0	15	0
Dividends paid by subsidiaries to non-controlling interest	(21)	0	0	0	0	0	0	(21)
Issuance of common stock	256	0	2	254	0	0	0	0
Payments of Stock Issuance Costs	11	0	0	11	0	0	0	0
Stock Deferral and Issuance to Directors	0	0	0	0	0	0	0	0
Stockholders' Equity, Other	(1)	0	(1)	0	0	0	0	0
Stockholders' Equity balance at end of period at Jul. 31, 2017	(4,923)	2	10	2,733	(5,068)	(2,412)	(190)	2
Stockholders' Equity balance at beginning of period at Oct. 31, 2017	(4,574)	2	10	2,733	(4,933)	(2,211)	(179)	4
Net income (loss)	172	0	0	0	152	0	0	20
Total other comprehensive income	73	0	0	0	0	73	0	0
Stock-based compensation	9	0	0	9	0	0	0	0
Stock ownership programs	6	0	0	(10)	0	0	16	0
Dividends paid by subsidiaries to non-controlling interest	(19)	0	0	0	0	0	0	(19)
Issuance of common stock	0	0	0	0	0	0	0	0
Payments of Stock Issuance Costs	0	0	0	0	0	0	0	0
Stock Deferral and Issuance to Directors	(1)	0	0	(1)	0	0	0	0
Stockholders' Equity, Other	0	0	0	0	0	0	0	0
Stockholders' Equity balance at end of period at Jul. 31, 2018	$ (4,334)	$ 2	$ 10	$ 2,731	$ (4,781)	$ (2,138)	$ (163)	$ 5