Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents (Note 6)	$ 901	$ 655
Short-term marketable securities (Note 6)	65	15
Accounts receivable and contract assets, net of allowance for doubtful accounts of $22 and $21, respectively (Note 3)	270	212
Prepaid expenses and other current assets	35	33
Total current assets	1,271	915
Property and equipment, net (Note 7)	262	253	[1]
Operating lease right-of-use assets (Note 2)	75
Intangible assets, net of accumulated amortization of $155 and $140, respectively	102	118
Goodwill (Note 8)	754	756
Deferred income taxes, net	1	27
Other long-term assets	101	98
TOTAL ASSETS	2,566	2,167
Current liabilities:
Accounts payable	13	15
Deferred merchant payables	346	164
Deferred revenue (Note 3)	98	63
Accrued expenses and other current liabilities	181	151	[2]
Total current liabilities	638	393
Deferred income taxes, net	12	21
Other long-term liabilities (Note 11)	341	282	[1]
Total Liabilities	991	696
Commitments and contingencies (Note 12)
Stockholders’ equity: (Note 13)
Preferred stock, $0.001 par value Authorized shares: 100,000,000 Shares issued and outstanding: 0 and 0
Additional paid-in capital	1,081	1,037
Retained earnings	1,106	1,043	[3]
Accumulated other comprehensive income (loss)	(65)	(62)
Treasury stock-common stock, at cost, 12,056,688 and 12,056,688 shares, respectively	(547)	(547)
Total Stockholders’ Equity	1,575	1,471
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 2,566	$ 2,167

[1] Refer to the below discussion regarding the transition accounting for operating and finance leases upon adoption of ASC 842.

[2] This adjustment primarily represents the short-term portion of operating and finance lease obligations recorded upon adoption of ASC 842, discussed below.

[3] Represents a cumulative-effect adjustment of $3 million, net of tax to our beginning balance of retained earnings recorded upon adoption of ASC 842.