CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 6,038	$ 4,907
Marketable securities	20,102	13,527
Accounts receivable, net of allowances for doubtful accounts of $83 and $68 as of September 30, 2016 and December 31, 2015, respectively	3,070	2,559
Prepaid expenses and other current assets	1,118	659
Total current assets	30,328	21,652
Property and equipment, net	7,899	5,687
Intangible assets, net	2,702	3,246
Goodwill	18,085	18,026
Other assets	660	796
Total assets	59,674	49,407
Current liabilities:
Accounts payable	260	196
Partners payable	239	217
Accrued expenses and other current liabilities	2,018	1,449
Deferred revenue and deposits	78	56
Current portion of capital lease obligations	0	7
Total current liabilities	2,595	1,925
Capital lease obligations, less current portion	0	107
Other liabilities	2,964	3,157
Total liabilities	5,559	5,189
Stockholders' equity:
Common stock, $0.000006 par value; 5,000 million Class A shares authorized, 2,336 million and 2,293 million shares issued and outstanding, including 5 million and 8 million outstanding shares subject to repurchase, as of September 30, 2016 and December 31, 2015, respectively; 4,141 million Class B shares authorized, 546 million and 552 million shares issued and outstanding, including 2 million and 3 million outstanding shares subject to repurchase, as of September 30, 2016 and December 31, 2015, respectiv	0	0
Additional paid-in capital	38,756	34,886
Accumulated other comprehensive loss	(372)	(455)
Retained earnings	15,731	9,787
Total stockholders' equity	54,115	44,218
Total liabilities and stockholders' equity	$ 59,674	$ 49,407