UNAUDITED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 2,334	$ 2,624
Short-term investments in marketable securities	1,981	3,660
Accounts receivable, net of allowance for doubtful accounts of $61 at each date	1,491	1,523
Prepaid expenses and other current assets	1,271	600
Total current assets	7,077	8,407
Property and equipment, net	695	656
Operating lease assets	635	0
Intangible assets, net	2,078	2,125
Goodwill	2,907	2,910
Long-term investments	8,445	8,408
Other assets	529	181
Total assets	22,366	22,687
Current liabilities:
Accounts payable	934	1,134
Accrued expenses and other current liabilities	1,877	1,399
Deferred merchant bookings	1,797	1,022
Convertible debt	968	0
Total current liabilities	5,576	3,555
Deferred income taxes	513	370
Operating lease liabilities	488	0
Long-term U.S. transition tax liability	1,166	1,166
Other long-term liabilities	89	162
Long-term debt	7,619	8,649
Total liabilities	15,451	13,902
Commitments and Contingencies
Stockholders' equity:
Common stock, $0.008 par value; authorized 1,000,000,000 shares, 63,121,930 and 62,948,762 shares issued, respectively	0	0
Treasury stock, 18,935,914 and 17,317,126 shares, respectively	(17,567)	(14,711)
Additional paid-in capital	5,519	5,445
Retained earnings	19,132	18,367
Accumulated other comprehensive loss	(169)	(316)
Total stockholders' equity	6,915	8,785
Total liabilities and stockholders' equity	$ 22,366	$ 22,687