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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Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

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- Definition

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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The amount of identifiable intangible assets recognized as of the acquisition date.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Acquisitions and Divestitures (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended		3 Months Ended
	Mar. 31, 2017	Jan. 31, 2017	Jan. 31, 2017
SGI
Acquisitions
Consideration			$ 349
Goodwill recorded from acquisition		$ 76	76
Amortizable intangible assets		150	$ 150
Useful life			5 years
SimpliVity
Acquisitions
Consideration		650
In-process research and development \| SGI
Acquisitions
Amortizable intangible assets		$ 30	$ 30
Subsequent Event \| Nimble Storage, Inc.
Acquisitions
Payments ($ per share)	$ 12.50
Payments	$ 1,000