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Supplemental Financial Information (Supplemental Cash Flow) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
May 05, 2024
Apr. 30, 2023
May 05, 2024
Apr. 30, 2023
Supplemental Cash Flow Elements [Abstract]        
Cash paid for interest $ 946 $ 397 $ 1,696 $ 758
Cash paid for income taxes $ 834 $ 891 $ 1,738 $ 1,164