Consolidated Statements of Stockholders’ Deficit - USD ($) shares in Thousands, $ in Millions	Total	Adjustment for adoption of accounting standards	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Deficit Adjustment for adoption of accounting standards	Accumulated Other Comprehensive Loss
Balance (in shares) at Oct. 31, 2017			1,649,580
Balance at beginning of period at Oct. 31, 2017	$ (3,408)		$ 16	$ 380	$ (2,386)		$ (1,418)
Increase (Decrease) in Stockholders' Equity
Net earnings	5,327				5,327
Other comprehensive income, net of taxes	573						573
Comprehensive income	5,900
Issuance of common stock in connection with employee stock plans and other (in shares)			21,728
Issuance of common stock in connection with employee stock plans and other	$ 47			47
Repurchases of common stock (in shares)	(111,000)		(111,038)
Repurchases of common stock	$ (2,547)			(32)	(2,515)
Cash dividends	(899)				(899)
Stock-based compensation expense	268			268
Balance (in shares) at Oct. 31, 2018			1,560,270
Balance at end of period at Oct. 31, 2018	(639)	$ (189)	$ 16	663	(473)	$ (189)	(845)
Increase (Decrease) in Stockholders' Equity
Net earnings	3,152				3,152
Other comprehensive income, net of taxes	(380)						(380)
Comprehensive income	2,772
Issuance of common stock in connection with employee stock plans and other (in shares)			15,047
Issuance of common stock in connection with employee stock plans and other	$ (69)			(69)
Repurchases of common stock (in shares)	(118,000)		(117,598)
Repurchases of common stock	$ (2,396)		$ (1)	(55)	(2,340)
Cash dividends	(968)				(968)
Stock-based compensation expense	$ 296			296
Balance (in shares) at Oct. 31, 2019	1,458,000		1,457,719
Balance at end of period at Oct. 31, 2019	$ (1,193)	$ 27	$ 15	835	(818)	$ 27	(1,225)
Increase (Decrease) in Stockholders' Equity
Net earnings	2,844				2,844
Other comprehensive income, net of taxes	(18)						(18)
Comprehensive income	2,826
Issuance of common stock in connection with employee stock plans and other (in shares)			14,065
Issuance of common stock in connection with employee stock plans and other	$ (37)			(37)
Repurchases of common stock (in shares)	(168,000)		(167,857)
Repurchases of common stock	$ (3,132)		$ (2)	(113)	(3,017)
Cash dividends	(997)				(997)
Stock-based compensation expense	$ 278			278
Balance (in shares) at Oct. 31, 2020	1,304,000		1,303,927
Balance at end of period at Oct. 31, 2020	$ (2,228)		$ 13	$ 963	$ (1,961)		$ (1,243)