Acquisitions (Details 1) - Marketo - USD ($) $ in Thousands		12 Months Ended
		Nov. 30, 2018	Oct. 31, 2018
Schedule of acquired assets and liabilities [Line Items]
Customer contracts and relationships			$ 577,900
Purchased technology			444,500
Backlog			105,800
Non-competition agreements			12,100
Trademarks			328,500
Total identifiable intangible assets acquired			1,468,800
Net assets acquired or liabilities assumed			(194,588)
Goodwill, Acquired during period	[1]	$ 3,458,556
Total estimated purchase price			$ 4,732,768
Customer Contracts and Relationships
Schedule of acquired assets and liabilities [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		11 years
Purchased technology
Schedule of acquired assets and liabilities [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		7 years
Backlog [Member]
Schedule of acquired assets and liabilities [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		2 years
Noncompete Agreements [Member]
Schedule of acquired assets and liabilities [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		2 years
Trademarks
Schedule of acquired assets and liabilities [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		9 years

[1] Non-deductible for tax-purposes.