Consolidated Balance Sheets - USD ($) $ in Millions		Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents (Note 6)		$ 673	$ 612
Short-term marketable securities (Note 6)		35	118
Accounts receivable, net of allowance for doubtful accounts of $16 and $9, respectively (Note 2)		230	189
Income taxes receivable (Note 10)		30
Prepaid expenses and other current assets		25	31
Total current assets		993	950
Long-term marketable securities (Note 6)		27	16
Property and equipment, net (Note 7)		263	260
Intangible assets, net (Note 8)		142	167
Goodwill (Note 8)		758	736
Deferred income taxes, net (Note 10)		16	42
Other long-term assets		73	67
TOTAL ASSETS		2,272	2,238
Current liabilities:
Accounts payable		8	14
Deferred merchant payables (Note 2)		156	128
Deferred revenue		60	64
Current portion of debt (Note 9)	[1]	7	80
Income taxes payable (Note 10)		5	10
Accrued expenses and other current liabilities (Note 11)		136	127
Total current liabilities		372	423
Long-term debt (Note 9)		230	91
Deferred income taxes, net (Note 10)		14	12
Other long-term liabilities (Note 12)		293	210
Total Liabilities		909	736
Commitments and contingencies (Note 13)
Stockholders’ equity: (Note 15)
Preferred stock, $0.001 par value Authorized shares: 100,000,000 Shares issued and outstanding: 0 and 0
Additional paid-in capital		926	831
Retained earnings		926	945
Accumulated other comprehensive (loss) income		(42)	(77)
Treasury stock-common stock, at cost, 9,474,490 and 3,395,487 shares, respectively		(447)	(197)
Total Stockholders’ Equity		1,363	1,502
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY		$ 2,272	$ 2,238

[1] The weighted-average interest rate on short-term debt was 5.0% as of December 31, 2017 and 2.1% as of December 31, 2016.