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Supplementary Financial Information - Other Accrued Liabilities (Details) - USD ($)
$ in Millions
Oct. 31, 2019
Nov. 01, 2018
Oct. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Sales and marketing programs $ 3,361   $ 2,758
Deferred revenue 1,178   1,095
Employee compensation and benefits 1,103   1,136
Other accrued taxes 1,060   982
Warranty 663   673
Tax liability 237   340
Other 2,541   1,868
Other Accrued Liabilities, total $ 10,143 $ 9,310 $ 8,852