CONDENSED CONSOLIDATED STATEMENT OF EQUITY - USD ($) shares in Thousands, $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Total Stockholder's Equity
Beginning Balance (in Shares) at Oct. 31, 2021		302,208
Beginning Balance at Oct. 31, 2021		$ 3	$ 5,320	$ 348	$ (282)	$ 5,389
Components of comprehensive income, net of tax
Net income	$ 886			886		886
Other comprehensive income (loss)	(80)				(80)	(80)
Total comprehensive income, net of tax						806
Cash dividends declared				(188)		(188)
Share-based awards issued, net of tax (in shares)		1,323
Share-based awards issued			(11)			(11)
Stock Repurchased and Retired During Period, Shares		(7,331)
Stock Repurchased and Retired During Period, Value			(97)	(907)		(1,004)
Share-based compensation			99			99
Ending Balance (in Shares) at Jul. 31, 2022		296,200
Ending Balance at Jul. 31, 2022		$ 3	5,311	139	(362)	5,091
Beginning Balance (in Shares) at Apr. 30, 2022		298,565
Beginning Balance at Apr. 30, 2022		$ 3	5,292	160	(333)	5,122
Components of comprehensive income, net of tax
Net income	329			329		329
Other comprehensive income (loss)	(29)				(29)	(29)
Total comprehensive income, net of tax						300
Cash dividends declared				(62)		(62)
Share-based awards issued, net of tax (in shares)		308
Share-based awards issued			26			26
Stock Repurchased and Retired During Period, Shares		(2,673)
Stock Repurchased and Retired During Period, Value			(35)	(288)		(323)
Share-based compensation			28			28
Ending Balance (in Shares) at Jul. 31, 2022		296,200
Ending Balance at Jul. 31, 2022		$ 3	5,311	139	(362)	5,091
Beginning Balance (in Shares) at Oct. 31, 2022		295,259
Beginning Balance at Oct. 31, 2022	5,305	$ 3	5,325	324	(347)	5,305
Components of comprehensive income, net of tax
Net income	765			765		765
Other comprehensive income (loss)	76				76	76
Total comprehensive income, net of tax						841
Cash dividends declared				(199)		(199)
Share-based awards issued, net of tax (in shares)		1,405
Share-based awards issued			11			11
Stock Repurchased and Retired During Period, Shares		(3,917)
Stock Repurchased and Retired During Period, Value			(51)	(446)		(497)
Share-based compensation			97			97
Ending Balance (in Shares) at Jul. 31, 2023		292,747
Ending Balance at Jul. 31, 2023	5,558	$ 3	5,382	444	(271)	5,558
Beginning Balance (in Shares) at Apr. 30, 2023		295,261
Beginning Balance at Apr. 30, 2023		$ 3	5,360	700	(282)	5,781
Components of comprehensive income, net of tax
Net income	111			111		111
Other comprehensive income (loss)	11				11	11
Total comprehensive income, net of tax						122
Cash dividends declared				(66)		(66)
Share-based awards issued, net of tax (in shares)		298
Share-based awards issued			29			29
Stock Repurchased and Retired During Period, Shares		(2,812)
Stock Repurchased and Retired During Period, Value			(36)	(301)		(337)
Share-based compensation			29			29
Ending Balance (in Shares) at Jul. 31, 2023		292,747
Ending Balance at Jul. 31, 2023	$ 5,558	$ 3	$ 5,382	$ 444	$ (271)	$ 5,558