CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 6,456	$ 4,907
Marketable securities	14,165	13,527
Accounts receivable, net of allowances for doubtful accounts of $63 and $68 as of March 31, 2016 and December 31, 2015, respectively	2,348	2,559
Prepaid expenses and other current assets	843	659
Total current assets	23,812	21,652
Property and equipment, net	6,467	5,687
Intangible assets, net	3,067	3,246
Goodwill	18,029	18,026
Other assets	700	796
Total assets	52,075	49,407
Current liabilities:
Accounts payable	149	196
Partners payable	216	217
Accrued expenses and other current liabilities	1,389	1,449
Deferred revenue and deposits	55	56
Current portion of capital lease obligations	0	7
Total current liabilities	1,809	1,925
Capital lease obligations, less current portion	0	107
Other liabilities	3,116	3,157
Total liabilities	4,925	5,189
Stockholders' equity:
Common stock, $0.000006 par value; 5,000 million Class A shares authorized, 2,311 million and 2,293 million shares issued and outstanding, including 7 million and 8 million outstanding shares subject to repurchase, as of March 31, 2016 and December 31, 2015, respectively; 4,141 million Class B shares authorized, 549 million and 552 million shares issued and outstanding, including 3 million outstanding shares subject to repurchase, as of March 31, 2016 and December 31, 2015	0	0
Additional paid-in capital	36,129	34,886
Accumulated other comprehensive loss	(276)	(455)
Retained earnings	11,297	9,787
Total stockholders' equity	47,150	44,218
Total liabilities and stockholders' equity	$ 52,075	$ 49,407