Income Taxes (Textual) (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 01, 2020	Nov. 03, 2019	Nov. 04, 2018
Income Tax Contingency [Line Items]
Undistributed Earnings of Foreign Subsidiaries	$ 2,677
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries	281
Valuation allowance	1,707	$ 1,563
Unrecognized tax benefits that would impact effective tax rate	5,088	4,725
Decrease in unrecognized tax benefits is reasonably possible	261
Unrecognized tax benefits, Period increase (decrease)	326	392	$ 1,774
Tax Cuts and Jobs Act of 2017, Unrecognized federal tax benefits related to Transition Tax			1,112
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	37		59
Unrecognized tax benefits, Income tax penalties and interest accrued	340	303
Domestic Tax Authority
Income Tax Contingency [Line Items]
Income tax holiday, Income tax benefit		923	$ 590
Internal Revenue Service (IRS)
Income Tax Contingency [Line Items]
Net operating loss carryforwards	67
Research and development tax credits	301
Internal Revenue Service (IRS) | Subject to Annual Limitation
Income Tax Contingency [Line Items]
Tax credit carryforwards	67
State and Local Jurisdiction
Income Tax Contingency [Line Items]
Net operating loss carryforwards	2,951
Research and development tax credits	1,759
Foreign Tax Authority
Income Tax Contingency [Line Items]
Net operating loss carryforwards	1,126
Symantec
Income Tax Contingency [Line Items]
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets	$ 28
CA Technologies, Inc.
Income Tax Contingency [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities		$ 2,434