Basis of Presentation and Summary of Significant Accounting Policies (Details 1) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 30, 2019	Aug. 31, 2018	Aug. 30, 2019	Aug. 31, 2018
Condensed Income Statements, Captions
Subscription	$ 2,546,571	$ 2,021,505	$ 7,307,635	$ 5,737,994
Product	157,321	149,127	480,691	471,728
Services and support	130,234	120,444	391,026	355,661
Total revenue	2,834,126	2,291,076	8,179,352	6,565,383
Sales and marketing expense	812,314	670,084	2,442,759	1,897,256
Provision for income taxes	41,725	35,067	147,997	182,125
Net income	$ 792,763	$ 666,291	$ 2,099,597	$ 1,912,534
Basic net income per share	$ 1.63	$ 1.36	$ 4.31	$ 3.89
Diluted net income per share	$ 1.61	$ 1.34	$ 4.26	$ 3.84
Calculated under Revenue Guidance in Effect before Topic 606
Condensed Income Statements, Captions
Subscription	$ 2,547,396		$ 7,304,223
Product	124,413		405,755
Services and support	126,735		386,452
Total revenue	2,798,544		8,096,430
Sales and marketing expense	819,525		2,466,906
Provision for income taxes	39,585		140,900
Net income	$ 752,110		$ 1,999,521
Basic net income per share	$ 1.55		$ 4.10
Diluted net income per share	$ 1.53		$ 4.06
Accounting Standards Update 2014-09 | Difference between Revenue Guidance in Effect before and after Topic 606
Condensed Income Statements, Captions
Subscription	$ 825		$ (3,412)
Product	(32,908)		(74,936)
Services and support	(3,499)		(4,574)
Total revenue	(35,582)		(82,922)
Sales and marketing expense	7,211		24,147
Provision for income taxes	(2,140)		(7,097)
Net income	$ (40,653)		$ (100,076)
Basic net income per share	$ (0.08)		$ (0.21)
Diluted net income per share	$ (0.08)		$ (0.20)