CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 8,903	$ 4,907
Marketable securities	20,546	13,527
Accounts receivable, net of allowances for doubtful accounts of $94 and $68 as of December 31, 2016 and December 31, 2015, respectively	3,993	2,559
Prepaid expenses and other current assets	959	659
Total current assets	34,401	21,652
Property and equipment, net	8,591	5,687
Intangible assets, net	2,535	3,246
Goodwill	18,122	18,026
Other assets	1,312	796
Total assets	64,961	49,407
Current liabilities:
Accounts payable	302	196
Partners payable	280	217
Accrued expenses and other current liabilities	2,203	1,449
Deferred revenue and deposits	90	56
Current portion of capital lease obligations	0	7
Total current liabilities	2,875	1,925
Capital lease obligations, less current portion	0	107
Other liabilities	2,892	3,157
Total liabilities	5,767	5,189
Commitments and contingencies
Stockholders' equity:
Common stock, $0.000006 par value; 5,000 million Class A shares authorized, 2,354 million and 2,293 million shares issued and outstanding, including 4 million and 8 million outstanding shares subject to repurchase, as of December 31, 2016 and December 31, 2015, respectively; 4,141 million Class B shares authorized, 538 million and 552 million shares issued and outstanding, including 2 million and 3 million outstanding shares subject to repurchase, as of December 31, 2016 and December 31, 2015, respectivel	0	0
Additional paid-in capital	38,227	34,886
Accumulated other comprehensive loss	(703)	(455)
Retained earnings	21,670	9,787
Total stockholders' equity	59,194	44,218
Total liabilities and stockholders' equity	$ 64,961	$ 49,407