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Supplemental Financial Information (Supplemental Cash Flow) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Aug. 01, 2021
Aug. 02, 2020
Aug. 01, 2021
Aug. 02, 2020
Supplemental Cash Flow Elements [Abstract]        
Cash paid for interest $ 253 $ 269 $ 994 $ 1,025
Cash paid for income taxes $ 167 $ 44 607 299
Capital expenditures incurred but not yet paid     $ 20 $ 37