CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 8,999	$ 3,323
Marketable securities	5,251	8,126
Accounts receivable, net of allowances for doubtful accounts of $35 and $38 as of September 30, 2014 and December 31, 2013, respectively	1,363	1,109
Prepaid expenses and other current assets	502	512
Total current assets	16,115	13,070
Property and equipment, net	3,703	2,882
Intangible assets, net	1,317	883
Goodwill	2,612	839
Other assets	441	221
Total assets	24,188	17,895
Current liabilities:
Accounts payable	120	87
Partners payable	208	181
Accrued expenses and other current liabilities	709	555
Deferred revenue and deposits	48	38
Current portion of capital lease obligations	149	239
Total current liabilities	1,234	1,100
Capital lease obligations, less current portion	129	237
Other liabilities	1,587	1,088
Total liabilities	2,950	2,425
Stockholders' equity:
Common stock, $0.000006 par value; 5,000 million Class A shares authorized, 2,044 million and 1,970 million shares issued and outstanding, including 4 million and 6 million outstanding shares subject to repurchase, as of September 30, 2014 and December 31, 2013, respectively; 4,141 million Class B shares authorized, 564 million and 577 million shares issued and outstanding, including 8 million and 6 million outstanding shares subject to repurchase, as of September 30, 2014 and December 31, 2013 respective	0	0
Additional paid-in capital	15,949	12,297
Accumulated other comprehensive (loss) income	(109)	14
Retained earnings	5,398	3,159
Total stockholders' equity	21,238	15,470
Total liabilities and stockholders' equity	$ 24,188	$ 17,895