Consolidated Statements of Stockholders' Deficit - USD ($) $ in Millions	Total	Convertible Junior Preference Stock Series D [Member]	Common Stock	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock	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)	55	0	0	0	30	0	0	25
Net Income (Loss) Attributable to Noncontrolling Interest	25
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	429	0	0	0	0	429	0	0
Stock-based compensation	6	0	0	6	0	0	0	0
Stock ownership programs	11	0	0	(15)	0	0	26	0
Dividends paid by subsidiaries to non-controlling interest	(26)	0	0	0	0	0	0	(26)
Proceeds from 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 Oct. 31, 2017	(4,574)	2	10	2,733	(4,933)	(2,211)	(179)	4
Net income (loss)	368	0	0	0	340	0	0	28
Net Income (Loss) Attributable to Noncontrolling Interest	28
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	291	0	0	0	0	291	0	0
Stock-based compensation	10	0	0	10	0	0	0	0
Stock ownership programs	7	0	0	(11)	0	0	18	0
Dividends paid by subsidiaries to non-controlling interest	(27)	0	0	0	0	0	0	(27)
Proceeds from 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 Oct. 31, 2018	(3,926)	2	10	2,731	(4,593)	(1,920)	(161)	5
Net income (loss)	243	0	0	0	221	0	0
Net Income (Loss) Attributable to Noncontrolling Interest	22
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	8	0	0	0	0	8	0	0
ASC-606 modified retrospective adoption	(37)	0	0	0	(37)	0	0	0
Stock-based compensation	11	0	0	11	0	0	0	0
Stock ownership programs	2	0	0	(12)	0	0	14	0
Dividends paid by subsidiaries to non-controlling interest	(24)	0	0	0	0	0	0	(24)
Proceeds from 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	0	0	0	0	0	0	0	0
Stockholders' Equity, Other	0	0	0	0	0	0	0	0
Stockholders' Equity balance at end of period at Oct. 31, 2019	$ (3,723)	$ 2	$ 10	$ 2,730	$ (4,409)	$ (1,912)	$ (147)	$ 3