Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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Business Combinations (CloudCraze Narrative) (Details) - USD ($) $ in Millions	1 Months Ended	6 Months Ended
	Apr. 30, 2018	Jul. 31, 2018
Business Acquisition [Line Items]
Useful Life		5 years 8 months 12 days
CloudCraze
Business Acquisition [Line Items]
Consideration transferred	$ 190
Goodwill deductible for tax purposes		$ 134
CloudCraze \| Developed technology and customer relationships
Business Acquisition [Line Items]
Intangible assets acquired	$ 58
CloudCraze \| Developed technology and customer relationships \| Minimum
Business Acquisition [Line Items]
Useful Life	1 year
CloudCraze \| Developed technology and customer relationships \| Maximum
Business Acquisition [Line Items]
Useful Life	7 years