CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 13,877	$ 10,019
Marketable securities	34,719	31,095
Accounts receivable, net of allowances of $295 and $229 as of June 30, 2019 and December 31, 2018, respectively	7,513	7,587
Prepaid expenses and other current assets	1,852	1,779
Total current assets	57,961	50,480
Property and equipment, net	29,999	24,683
Operating lease right-of-use assets, net	7,272
Intangible assets, net	994	1,294
Goodwill	18,334	18,301
Other assets	2,446	2,576
Total assets	117,006	97,334
Current liabilities:
Accounts payable	655	820
Partners payable	560	541
Operating lease liabilities, current	688
Accrued expenses and other current liabilities	10,878	5,509
Deferred revenue and deposits	198	147
Total current liabilities	12,979	7,017
Operating lease liabilities, non-current	7,122
Other liabilities	8,143	6,190
Total liabilities	28,244	13,207
Commitments and contingencies
Stockholders' equity:
Common stock, $0.000006 par value; 5,000 million Class A shares authorized, 2,407 million and 2,385 million shares issued and outstanding, as of June 30, 2019 and December 31, 2018, respectively; 4,141 million Class B shares authorized, 447 million and 469 million shares issued and outstanding, as of June 30, 2019 and December 31, 2018, respectively.	0	0
Additional paid-in capital	44,277	42,906
Accumulated other comprehensive loss	(483)	(760)
Retained earnings	44,968	41,981
Total stockholders' equity	88,762	84,127
Total liabilities and stockholders' equity	$ 117,006	$ 97,334