Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 2,392.5	$ 1,833.2
Short-term investments	752.7	752.3
Accounts receivable, net of allowances	750.4	1,054.1
Prepaid expenses and other current assets	249.5	332.3
Total current assets	4,145.1	3,971.9
Property and equipment, net	1,026.2	1,063.8
Long-term investments	1,069.4	1,071.8
Restricted cash and investments	63.4	99.9
Purchased intangible assets, net	121.7	130.2
Goodwill	3,079.4	3,081.7
Other long-term assets	247.7	237.2
Total assets	9,752.9	9,656.5
Current liabilities:
Accounts payable	210.7	221.0
Accrued compensation	206.0	233.6
Deferred revenue	998.0	1,032.0
Other accrued liabilities	258.1	249.3
Total current liabilities	1,672.8	1,735.9
Long-term debt	2,135.0	2,133.7
Long-term deferred revenue	503.0	449.1
Long-term income taxes payable	221.1	209.2
Other long-term liabilities	134.8	166.1
Total liabilities	4,666.7	4,694.0
Commitments and contingencies (Note 15)
Stockholders' equity:
Convertible preferred stock, $0.00001 par value; 10.0 shares authorized; none issued and outstanding
Common stock, $0.00001 par value; 1,000.0 shares authorized; 380.5 shares and 381.1 shares issued and outstanding as of June 30, 2017 and December 31, 2016, respectively	0.0	0.0
Additional paid-in capital	8,241.7	8,281.6
Accumulated other comprehensive loss	(16.5)	(37.3)
Accumulated deficit	(3,139.0)	(3,281.8)
Total stockholders' equity	5,086.2	4,962.5
Total liabilities and stockholders' equity	$ 9,752.9	$ 9,656.5

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.