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	3,876			3,876
Other comprehensive income, net of taxes	379				379
Comprehensive income	4,255
Issuance of common stock in connection with employee stock plans and other (in shares)		19,198
Issuance of common stock in connection with employee stock plans and other	$ 26		26
Repurchases of common stock (in shares)	(86,000)	(86,370)
Repurchases of common stock	$ (1,943)		(23)	(1,920)
Cash dividends	(900)			(900)
Stock-based compensation expense	203		203
Balance (in shares) at Jul. 31, 2018		1,582,408
Balance at Jul. 31, 2018	(1,767)	$ 16	586	(1,330)	(1,039)
Balance (in shares) at Apr. 30, 2018		1,610,512
Balance at Apr. 30, 2018	(1,863)	$ 16	510	(1,075)	(1,314)
Increase (Decrease) in Stockholders' Equity
Net earnings	880			880
Other comprehensive income, net of taxes	275				275
Comprehensive income	1,155
Issuance of common stock in connection with employee stock plans and other (in shares)		2,517
Issuance of common stock in connection with employee stock plans and other	$ 30		30
Repurchases of common stock (in shares)	(31,000)	(30,621)
Repurchases of common stock	$ (701)		(9)	(692)
Cash dividends	(443)			(443)
Stock-based compensation expense	55		55
Balance (in shares) at Jul. 31, 2018		1,582,408
Balance at Jul. 31, 2018	$ (1,767)	$ 16	586	(1,330)	(1,039)
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	2,764			2,764
Other comprehensive income, net of taxes	(18)				(18)
Comprehensive income	2,746
Issuance of common stock in connection with employee stock plans and other (in shares)		13,827
Issuance of common stock in connection with employee stock plans and other	$ (69)		(69)
Repurchases of common stock (in shares)	(92,000)	(92,183)
Repurchases of common stock	$ (1,936)	$ (1)	(41)	(1,894)
Cash dividends	(971)			(971)
Stock-based compensation expense	$ 232		232
Balance (in shares) at Jul. 31, 2019	1,482,000	1,481,914
Balance at Jul. 31, 2019	$ (1,131)	$ 15	785	(1,068)	(863)
Balance (in shares) at Apr. 30, 2019		1,506,292
Balance at Apr. 30, 2019	(1,487)	$ 15	723	(1,325)	(900)
Increase (Decrease) in Stockholders' Equity
Net earnings	1,179			1,179
Other comprehensive income, net of taxes	37				37
Comprehensive income	1,216
Issuance of common stock in connection with employee stock plans and other (in shares)		1,683
Issuance of common stock in connection with employee stock plans and other	$ 17		17
Repurchases of common stock (in shares)	(26,000)	(26,061)
Repurchases of common stock	$ (527)		(14)	(513)
Cash dividends	(478)			(478)
Stock-based compensation expense	$ 59		59
Balance (in shares) at Jul. 31, 2019	1,482,000	1,481,914
Balance at Jul. 31, 2019	$ (1,131)	$ 15	$ 785	$ (1,068)	$ (863)