Summary of Significant Accounting Policies - Earnings Per Share of Common Stock (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Nov. 03, 2018	Aug. 04, 2018	May 05, 2018	Feb. 03, 2018	Oct. 28, 2017	Jul. 29, 2017	Apr. 29, 2017	Jan. 28, 2017	Nov. 03, 2018	Oct. 28, 2017	Oct. 29, 2016
Earnings per share
Net Income									$ 1,495,432	$ 727,259	$ 861,664
Undistributed earnings (loss) allocated to participating securities, basic									5,909	2,243	0
Net income (loss) available to common stockholders, basic									$ 1,489,523	$ 725,016	$ 861,664
Basic shares:
Weighted average shares outstanding (in shares)	371,074	371,315	370,384	369,093	368,043	367,315	341,316	308,786	370,430	346,371	308,736
Basic earnings per common share (in dollars per share)									$ 4.02	$ 2.09	$ 2.79
Diluted shares:
Weighted average shares outstanding (in shares)	371,074	371,315	370,384	369,093	368,043	367,315	341,316	308,786	370,430	346,371	308,736
Assumed exercise of common stock equivalents (in shares)									4,508	4,113	3,572
Weighted average common and common equivalent shares	375,116	375,815	374,778	374,189	372,053	371,159	345,654	313,076	374,938	350,484	312,308
Earnings per share - Diluted
Income from continuing operations, net of tax (in dollars per share)									$ 3.97	$ 2.07	$ 2.76
Outstanding stock options (in share)									1,649	1,527	3,077