Income Taxes Summary of Deferred Income Taxes (Details) - USD ($) $ in Millions	Nov. 04, 2018	Oct. 29, 2017
Components of Deferred Tax Assets and Liabilities [Abstract]
Depreciation and amortization	$ 7	$ 8
Employee benefits	119	145
Employee share awards	159	180
Net operating loss carryovers and credit carryovers	1,421	2,356
Other deferred income tax assets	100	70
Gross deferred income tax assets	1,806	2,759
Less valuation allowance	(1,347)	(1,447)
Deferred Tax Assets, Net of Valuation Allowance	459	1,312
Depreciation and amortization	316	96
Other deferred income tax liabilities	12	12
Foreign earnings not permanently reinvested	16	11,202
Deferred income tax liabilities	344	11,310
Deferred Income Tax Assets, Net	115
Net deferred income tax assets (liabilities)		(9,998)
Deferred Tax Assets, Net, Classification [Abstract]
Other long-term assets	284	21
Other long-term liabilities	$ (169)	(10,019)
Net long-term income tax assets (liabilities)		$ (9,998)

The net sum of (1) the tax effects as of the balance sheet date of the amount of excesses of tax deductions over gross income in a year which cannot be used on the tax returns in the current year but can be carried forward to reduce taxable income or income taxes payable in a future year, for which there must be sufficient tax-basis income to utilize a portion or all of the carryforward amount to realize the deferred tax asset, and (2) the tax effect as of the balance sheet date of the amount of future tax deductions arising from all unused tax credit carryforwards which have been reduced by a valuation allowance.

No definition available.