Stockholders' Equity (Equity Information) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Oct. 31, 2021	Nov. 01, 2020	Nov. 03, 2019
Class of Stock [Line Items]
Preferred stock issued, Shares			4,000,000
Preferred stock, Par value per share	$ 0.001	$ 0.001	$ 0.001
Proceeds from issuance of convertible preferred stock	$ 0	$ 0	$ 3,679
Preferred stock dividend rate, Percentage	8.00%	8.00%	8.00%
Preferred stock dividend rate, Per-dollar-amount	$ 80
Preferred stock liquidation preference, Per share	$ 1,000
Preferred stock dividend obligation	$ 27	$ 27
Minimum [Member]
Class of Stock [Line Items]
Preferred stock shares issued upon conversion	3.0822
Maximum [Member]
Class of Stock [Line Items]
Preferred stock shares issued upon conversion	3.6025