Consolidated Condensed Statements of Stockholders’ Deficit (Unaudited) - 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, 2017		1,649,580
Balance at Oct. 31, 2017	$ (3,408)	$ 16	$ 380	$ (2,386)	$ (1,418)
Increase (Decrease) in Stockholders' Equity
Net earnings	2,996			2,996
Other comprehensive income, net of taxes	104				104
Comprehensive income	3,100
Issuance of common stock in connection with employee stock plans and other (in shares)		16,681
Issuance of common stock in connection with employee stock plans and other	$ (4)		(4)
Repurchases of common stock (in shares)	(56,000)	(55,749)
Repurchases of common stock	$ (1,242)		(14)	(1,228)
Cash dividends	(457)			(457)
Stock-based compensation expense	148		148
Balance (in shares) at Apr. 30, 2018		1,610,512
Balance at Apr. 30, 2018	(1,863)	$ 16	510	(1,075)	(1,314)
Balance (in shares) at Jan. 31, 2018		1,641,374
Balance at Jan. 31, 2018	(2,742)	$ 16	417	(1,346)	(1,829)
Increase (Decrease) in Stockholders' Equity
Net earnings	1,058			1,058
Other comprehensive income, net of taxes	515				515
Comprehensive income	1,573
Issuance of common stock in connection with employee stock plans and other (in shares)		4,527
Issuance of common stock in connection with employee stock plans and other	$ 39		39
Repurchases of common stock (in shares)	(35,000)	(35,389)
Repurchases of common stock	$ (798)		(9)	(789)
Cash dividends	2			2
Stock-based compensation expense	63		63
Balance (in shares) at Apr. 30, 2018		1,610,512
Balance at Apr. 30, 2018	$ (1,863)	$ 16	510	(1,075)	(1,314)
Balance (in shares) at Oct. 31, 2018	1,560,000	1,560,270
Balance at Oct. 31, 2018	$ (639)	$ 16	663	(473)	(845)
Increase (Decrease) in Stockholders' Equity
Net earnings	1,585			1,585
Other comprehensive income, net of taxes	(55)				(55)
Comprehensive income	1,530
Issuance of common stock in connection with employee stock plans and other (in shares)		12,144
Issuance of common stock in connection with employee stock plans and other	$ (86)		(86)
Repurchases of common stock (in shares)	(66,000)	(66,122)
Repurchases of common stock	$ (1,409)	$ (1)	(27)	(1,381)
Cash dividends	(493)			(493)
Stock-based compensation expense	$ 173		173
Balance (in shares) at Apr. 30, 2019	1,506,000	1,506,292
Balance at Apr. 30, 2019	$ (1,487)	$ 15	723	(1,325)	(900)
Balance (in shares) at Jan. 31, 2019		1,539,372
Balance at Jan. 31, 2019	(1,837)	$ 15	666	(1,431)	(1,087)
Increase (Decrease) in Stockholders' Equity
Net earnings	782			782
Other comprehensive income, net of taxes	187				187
Comprehensive income	969
Issuance of common stock in connection with employee stock plans and other (in shares)		765
Issuance of common stock in connection with employee stock plans and other	$ 5		5
Repurchases of common stock (in shares)	(34,000)	(33,845)
Repurchases of common stock	$ (693)		(14)	(679)
Cash dividends	3			3
Stock-based compensation expense	$ 66		66
Balance (in shares) at Apr. 30, 2019	1,506,000	1,506,292
Balance at Apr. 30, 2019	$ (1,487)	$ 15	$ 723	$ (1,325)	$ (900)