Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents (Note 5)	$ 455	$ 351
Short-term marketable securities (Note 5)	108	131
Accounts receivable, net of allowance for doubtful accounts of $7 and $3 at December 31, 2014 and December 31, 2013, respectively (Note 2)	151	113
Prepaid expenses and other current assets	33	35
Total current assets	747	630
Long-term assets:
Long-term marketable securities (Note 5)	31	188
Property and equipment, net (Note 6)	195	82
Other long-term assets	38	19
Intangible assets, net (Note 7)	214	52
Goodwill (Note 7)	734	502
TOTAL ASSETS	1,959	1,473
Current liabilities:
Accounts payable	19	10
Deferred merchant payables (Note 2)	93	30
Deferred revenue	57	44
Credit facility borrowings (Note 8)	38	28
Borrowings, current (Note 8)	40	40
Taxes payable (Note 9)	20	5
Accrued expenses and other current liabilities (Note 10)	114	86
Total current liabilities	381	243
Deferred income taxes, net (Note 9)	39	13
Other long-term liabilities (Note 11)	154	52
Borrowings, net of current portion (Note 8)	260	300
Total Liabilities	834	608
Commitments and contingencies (Note 12)
Stockholders’ equity: (Note 14)
Preferred stock, $0.001 par value Authorized shares: 100,000,000 Shares issued and outstanding: 0 and 0
Additional paid-in capital	673	608
Retained earnings	628	402
Accumulated other comprehensive income (loss)	(31)
Treasury stock-common stock, at cost, 2,194,173 and 2,120,709 shares	(145)	(145)
Total Stockholders’ Equity	1,125	865
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 1,959	$ 1,473