CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 5,108	$ 4,907
Marketable securities	18,185	13,527
Accounts receivable, net of allowances for doubtful accounts of $67 and $68 as of June 30, 2016 and December 31, 2015, respectively	2,801	2,559
Prepaid expenses and other current assets	916	659
Total current assets	27,010	21,652
Property and equipment, net	7,104	5,687
Intangible assets, net	2,879	3,246
Goodwill	18,043	18,026
Other assets	703	796
Total assets	55,739	49,407
Current liabilities:
Accounts payable	130	196
Partners payable	232	217
Accrued expenses and other current liabilities	1,770	1,449
Deferred revenue and deposits	79	56
Current portion of capital lease obligations	0	7
Total current liabilities	2,211	1,925
Capital lease obligations, less current portion	0	107
Other liabilities	3,145	3,157
Total liabilities	5,356	5,189
Stockholders' equity:
Common stock, $0.000006 par value; 5,000 million Class A shares authorized, 2,322 million and 2,293 million shares issued and outstanding, including 6 million and 8 million outstanding shares subject to repurchase, as of June 30, 2016 and December 31, 2015, respectively; 4,141 million Class B shares authorized, 548 million and 552 million shares issued and outstanding, including 2 million and 3 million outstanding shares subject to repurchase, as of June 30, 2016 and December 31, 2015, respectively	0	0
Additional paid-in capital	37,405	34,886
Accumulated other comprehensive loss	(374)	(455)
Retained earnings	13,352	9,787
Total stockholders' equity	50,383	44,218
Total liabilities and stockholders' equity	$ 55,739	$ 49,407