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, 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)
Stock Deferral and Issuance to Directors	(1)	0	0	(1)	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
Stockholders' Equity balance at beginning of period at Oct. 31, 2018	(3,926)	2	10	2,731	(4,593)	(1,920)	(161)	5
Net income (loss)	135	0	0	0	119	0	0	16
Total other comprehensive income	166	0	0	0	0	166	0	0
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	(27)	0	0	0	(27)	0	0	0
Stock-based compensation	9	0	0	9	0	0	0	0
Stock ownership programs	1	0	0	10	0	0	11	0
Dividends paid by subsidiaries to non-controlling interest	(18)	0	0	0	0	0	0	(18)
Stockholders' Equity balance at end of period at Jul. 31, 2019	$ (3,660)	$ 2	$ 10	$ 2,730	$ (4,501)	$ (1,754)	$ (150)	$ 3