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Stockholders' Equity (Dividends and Distributions) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Jul. 31, 2022
Aug. 01, 2021
Jul. 31, 2022
Aug. 01, 2021
Equity [Abstract]        
Dividends per share to common stockholders $ 4.10 $ 3.60 $ 12.30 $ 10.80
Dividends to common stockholders $ 1,661 $ 1,482 $ 5,026 $ 4,427
Dividends per share to preferred stockholders $ 20.00 $ 20.00 $ 60.00 $ 60.00
Dividends to preferred stockholders $ 75 $ 74 $ 224 $ 224