Consolidated Condensed Statements of Stockholders’ Deficit - USD ($) shares in Thousands, $ in Millions	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Balance (in shares) at Oct. 31, 2018		1,560,270
Balance at Oct. 31, 2018	$ (639)	$ 16	$ 663	$ (473)	$ (845)
Increase (Decrease) in Stockholders' Equity
Net earnings	803			803
Other comprehensive income (loss), net of taxes	(242)				(242)
Comprehensive income	561
Issuance of common stock in connection with employee stock plans and other (in shares)		11,379
Issuance of common stock in connection with employee stock plans and other	$ (91)		(91)
Repurchases of common stock (in shares)	(32,000)	(32,277)
Repurchases of common stock	$ (716)	$ (1)	(13)	(702)
Cash dividends declared	(496)			(496)
Stock-based compensation expense	107		107
Balance (in shares) at Jan. 31, 2019		1,539,372
Balance at Jan. 31, 2019	$ (1,837)	$ 15	666	(1,431)	(1,087)
Balance (in shares) at Oct. 31, 2019	1,458,000	1,457,719
Balance at Oct. 31, 2019	$ (1,193)	$ 15	835	(818)	(1,225)
Increase (Decrease) in Stockholders' Equity
Net earnings	678			678
Other comprehensive income (loss), net of taxes	17				17
Comprehensive income	695
Issuance of common stock in connection with employee stock plans and other (in shares)		9,809
Issuance of common stock in connection with employee stock plans and other	$ (58)		(58)
Repurchases of common stock (in shares)	(34,000)	(34,182)
Repurchases of common stock	$ (703)	$ (1)	(20)	(682)
Cash dividends declared	(511)			(511)
Stock-based compensation expense	$ 109		109
Balance (in shares) at Jan. 31, 2020	1,433,000	1,433,346
Balance at Jan. 31, 2020	$ (1,634)	$ 14	$ 866	$ (1,306)	$ (1,208)