Basis of Presentation and Significant Accounting Policies (Details 3) - USD ($) $ in Thousands	Nov. 29, 2019	Dec. 01, 2018	Nov. 30, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Trade receivables, net of allowances for doubtful accounts	$ 1,534,809	$ 1,358,606	$ 1,315,578
Prepaid expenses and other current assets	783,140	498,719	312,499
Other assets	562,696	459,943	186,522
Accrued expenses	1,398,548	1,193,543	1,163,185
Deferred revenue, current	3,377,986	2,863,132	2,915,974
Deferred revenue, long-term	122,727		137,630
Income taxes payable, long-term	616,102		644,101
Deferred income taxes	140,498	129,536	46,702
Retained earnings	14,828,562	12,257,916	11,815,597
Calculated under Revenue Guidance in Effect before Topic 606
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Trade receivables, net of allowances for doubtful accounts	1,476,669		1,315,578
Prepaid expenses and other current assets	584,448		312,499
Other assets	222,238		186,522
Accrued expenses	1,346,630		1,163,185
Deferred revenue, current	3,491,418		2,915,974
Deferred revenue, long-term	108,004
Income taxes payable, long-term	608,990
Deferred income taxes	51,801		46,702
Retained earnings	14,280,290		$ 11,815,597
Accounting Standards Update 2014-09 | Difference between Revenue Guidance in Effect before and after Topic 606
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Trade receivables, net of allowances for doubtful accounts	(58,140)	43,028
Prepaid expenses and other current assets	(198,692)	186,220
Other assets	(340,458)	273,421
Accrued expenses	(51,918)	30,358
Deferred revenue, current	113,432	(52,842)
Deferred revenue, long-term	(14,723)
Income taxes payable, long-term	(7,112)
Deferred income taxes	(88,697)	82,834
Retained earnings	$ (548,272)	$ 442,319