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Income Taxes (Components of Provision for (Benefit from) Income Taxes) (Details) - USD ($)
$ in Millions
 12 Months Ended
Nov. 03, 2019
Nov. 04, 2018
Oct. 29, 2017
Current tax expense:      
Current State and Local Tax Expense (Benefit) $ (16) $ 38 $ 0
Current Federal Tax Expense (Benefit) (49) 255 112
Foreign 342 171 158
Current tax expense 277 464 270
Deferred tax expense (benefit):      
Deferred State and Local Income Tax Expense (Benefit) (113) (103) 0
Deferred Federal Income Tax Expense (Benefit) (497) (8,666) (1)
Foreign (177) 221 (234)
Deferred tax expense (benefit) (787) (8,548) (235)
Total provision for (benefit from) income taxes $ (510) $ (8,084) $ 35