Summary of Significant Accounting Policies - Revenue Recognition Cumulative Effect Adjustments (Details) - USD ($) $ in Thousands	Oct. 31, 2020	Nov. 02, 2019	Feb. 02, 2019	Nov. 04, 2018	Nov. 03, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred tax assets	$ 1,503,064	$ 1,582,382		$ 1,664,794	$ 9,665
Deferred income tax	1,919,595	2,088,212		2,314,512	990,409
Retained earnings	$ 7,236,238	$ 6,899,253		6,313,723	$ 5,982,697
Accounting Standards Update 2016-16
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred tax assets			$ 1,700,000	1,655,129
Deferred income tax			$ 1,300,000	1,324,103
Retained earnings				$ 331,026