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, 2018	$ (3,926)	$ 2	$ 10	$ 2,731	$ (4,593)	$ (1,920)	$ (161)	$ 5
Net income (loss)	17	0	0	0	11	0	0	6
Total other comprehensive income	129	0	0	0	0	129	0	0
Stock-based compensation	2	0	0	2	0	0	0	0
Stock ownership programs	0	0	0	1	0	0	1	0
Dividends paid by subsidiaries to non-controlling interest	(8)	0	0	0	0	0	0	(8)
Stockholders' Equity balance at end of period at Jan. 31, 2019	(3,813)	2	10	2,732	(4,609)	(1,791)	(160)	3
Stockholders' Equity balance at beginning of period at Oct. 31, 2019	(3,723)	2	10	2,730	(4,409)	(1,912)	(147)	3
Net income (loss)	(32)	0	0	0	(36)	0	0	4
Total other comprehensive income	17	0	0	0	0	17	0	0
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	0	0	0	0	189	(189)	0	0
Stock-based compensation	2	0	0	2	0	0	0	0
Stock ownership programs	2	0	0	2	0	0	4	0
Dividends paid by subsidiaries to non-controlling interest	(5)	0	0	0	0	0	0	(5)
Stockholders' Equity balance at end of period at Jan. 31, 2020	$ (3,739)	$ 2	$ 10	$ 2,730	$ (4,256)	$ (2,084)	$ (143)	$ 2