Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 2,159.8	$ 2,284.0
Short-term investments	460.5	561.9
Accounts receivable, net of allowances	560.8	578.3
Deferred tax assets, net	151.4	79.8
Prepaid expenses and other current assets	165.2	199.9
Total current assets	3,497.7	3,703.9
Property and equipment, net	889.9	882.3
Long-term investments	1,340.1	1,251.9
Restricted cash and investments	66.3	89.5
Purchased intangible assets, net	105.3	106.9
Goodwill	4,071.5	4,057.7
Other long-term assets	166.5	233.8
Total assets	10,137.3	10,326.0
Current liabilities:
Accounts payable	246.3	200.4
Accrued compensation	232.4	273.9
Deferred revenue	803.2	705.8
Other accrued liabilities	291.6	261.3
Total current liabilities	1,573.5	1,441.4
Long-term debt	1,348.9	999.3
Long-term deferred revenue	370.1	363.5
Long-term income taxes payable	125.7	114.4
Other long-term liabilities	107.6	105.2
Total liabilities	3,525.8	3,023.8
Commitments and contingencies (Note 16)
Stockholders' equity:
Convertible preferred stock, $0.00001 par value; 10.0 shares authorized; none issued and outstanding	0	0
Common stock, $0.00001 par value; 1,000.0 shares authorized; 475.0 shares and 495.2 shares issued and outstanding as of June 30, 2014 and December 31, 2013, respectively	0	0
Additional paid-in capital	9,325.5	9,868.9
Accumulated other comprehensive income	13.1	64.6
Accumulated deficit	(2,727.1)	(2,631.3)
Total stockholders' equity	6,611.5	7,302.2
Total liabilities and stockholders' equity	$ 10,137.3	$ 10,326.0