CONDENSED CONSOLIDATED STATEMENT OF EQUITY - USD ($) shares in Thousands, $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Loss	Total Stockholder's Equity
Beginning Balance (in Shares) at Oct. 31, 2019		309,071
Beginning Balance at Oct. 31, 2019		$ 3	$ 5,277	$ (18)	$ (514)	$ 4,748
Components of comprehensive income, net of tax
Net income	$ 197			197		197
Other comprehensive income (loss)	(7)				(7)	(7)
Total comprehensive income, net of tax						190
Cash dividends declared				(56)		(56)
Share-based awards issued, net of tax (in shares)		1,703
Share-based awards issued			(1)			(1)
Share-based compensation			27			27
Ending Balance (in Shares) at Jan. 31, 2020		310,048
Ending Balance at Jan. 31, 2020		$ 3	5,293	73	(521)	4,848
Components of comprehensive income, net of tax
Stock Repurchased and Retired During Period, Shares		(726)
Stock Repurchased and Retired During Period, Value			(10)	(50)		(60)
Beginning Balance (in Shares) at Oct. 31, 2020		306,198
Beginning Balance at Oct. 31, 2020		$ 3	5,311	81	(522)	4,873
Components of comprehensive income, net of tax
Net income	288			288		288
Other comprehensive income (loss)	$ 53				53	53
Total comprehensive income, net of tax						341
Cash dividends declared				(59)		(59)
Share-based awards issued, net of tax (in shares)		1,592
Share-based awards issued			(47)			(47)
Share-based compensation			40			40
Ending Balance (in Shares) at Jan. 31, 2021		304,905
Ending Balance at Jan. 31, 2021		$ 3	5,266	4	$ (469)	4,804
Components of comprehensive income, net of tax
Stock Repurchased and Retired During Period, Shares		(2,885)
Stock Repurchased and Retired During Period, Value			$ (38)	$ (306)		$ (344)